Zz502 Heads

050" and need to be equal at. Ultimate Guide to Building Chevy-Big Blocks: Cylinder Blocks Instruction These big chunks of iron or aluminum are indeed the building blocks upon which your entire engine is crafted. they have the drippers in them. 00 Find or Sell any Parts for Your Vehicle in USA Parts for Sale. Checking on the ZZ502 it lists the cylinder head assembly as 1236392. ZZ502/502 Base Kit- Build-it-yourself kit of GM Performance Parts' 502" Rat! Get this "beast in a box" and then finish it to your satisfaction! GM Performance Parts has put together the ZZ502 Base as a convenient partial engine assembly. A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. Repower a Chevy SS 454 With Heads, Cam & EFI Part 2 Swap an LS into a 5th Gen Monte Carlo Convert Your Carb for E85 Gap And Stagger Piston Rings Convert A Ford F-150 To Propane Fuel Part 1 Convert A Ford F-150 To Propane Fuel Part 2 Convert A Ford F-150 To Propane Fuel Part 3 Convert A Ford F-150 To. That includes dis and re assembling as the heads and intake are on the car. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. We have also built the entire fuel system into the body of the manifold as both fuel rails tie into a distribution plate which splits into internally boost referenced fuel regulators. guide plates. Complete as seen in pictures. 88" Stainless Steel: Valve Springs: 12462970: Rocker Arms: 12368082 1. Our ability to source, design, and sell products to satisfy your performance needs of $100M a year industry giant or a racer with $10 to spend has built our reputation as the go to source in the performance industry. The 1970 LS6 Chevelle SS 454 has been called “The Ultimate Muscle Car… King Of The Streets ” and, regardless of brand affiliation, muscle-car fans respect its 450 HP, 500 lb-ft LS6 engine. Engines take a little longer to ship out – usually 1-2 weeks if we aren't swamped – but they are well worth the wait. ZZ502 502 Base 502HP @ 5200RPM It's simple: We offer the ZZ502/502 Base crate engine for builders who want the super-strong bottom end and high-flow aluminum oval-port cylinder heads, but also want to finish the engine their way. The zz572/620 stroker bigblock crate engine starts its pull under the 600 lb-ft mark at 3,000 rpm. shortblocks dont come with heads!! so the valve issue applies to the heads you choose not the shortblock!! #2. The only disadvantages are the higher cost of a shaft mounted system, and the possible need to machine the head to accept the shaft system. 25" valves The duration of the two camshafts is different, but the lift is nearly the same: 510/540 for the HO454, compared to 527/544 for the ZZ502. They accept all common big block cylinder heads and they incorporate a fully machined fuel pump pad and provisions for either hydraulic or flat tappet lifters. 1971 Chevrolet Chevelle Convertible VIN 136671R187400 Check out this beautiful 1971 Chevrolet Chevelle Convertible This Chevelle has a laser straight body with a Blue Metallic Paint finish Painted White Rally Stripes Power White Convertible Top Parchment Interior along with Polished Stainless Steel and Chrome Components all over that's sure to turn heads wherever you go This 71' has undergone. With more than 500 horsepower and 580 lb. The Hooker super competition headers part# 2817hkr, which have 1 7/8" primary tubes, fit real well after I clearanced them for the head bolts. Notes: Fits old-style GM Performance ZZ502 heads. You can find the engine of your dreams right here!. GM performance p/n 12363391, valves 2. BBC Magnum - 24° Cylinder Head Our MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc, and 300cc or Rectangular Ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. Including 19331425 - Complete Oval Port Aluminum Head 2. ZZ502/502 Base Kit- Build-it-yourself kit of GM Performance Parts' 502" Rat! Get this "beast in a box" and then finish it to your satisfaction! GM Performance Parts has put together the ZZ502 Base as a convenient partial engine assembly. A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. heads, rectangle ports, 2. Head Games Packaged in the ZZ502 kit was a set of aluminum oval-port heads with 2. 00 Straight 6-cyl 50. The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. Head Flanges For race applications Burns Stainless offers an extensive line of head flanges for domestic and import applications including Ford, Chevrolet, Oldsmobile, Chrysler, Porsche, Honda, and Toyota. of torque, it demands your full attention and a chassis that is strong enough to harness its frame-straining twisting power. We look for more power lurking in Chevrolet Performance's ZZ502 crate engine. Check out ZZ502 1972 Chevrolet Monte Carlo in Broadview Hts. Another popular question I receive is "What has to be done to fit a big block Chevy motor into a G-body?". A set of high-flow aluminum oval-port cylinder heads and a hydraulic roller camshaft designed to support low-rpm torque production enable it to hit the 500 lb. 88-inch valves and a hydraulic roller camshaft designed to support low-rpm torque production, topping 500 lb. All ZZ502 crate engines are manufactured with GM's updated cylinder block casting that is stronger and better supports high-performance applications. 00 stroke crankshaft. 50 @ 116 in the quarter, 7. Please contact us to confirm correct vehicle fitment and usage. We rate the ZZ502/502 Base engine at 508 horsepower and 580 lb-ft of torque when it is finished with Chevrolet Performance aluminum intake manifold (P/N 12363406) and Holley 870-cfm carburetor (P/N 19170094). The ZZ502/502 Deluxe crate engine offers you a GM Performance Parts tested and validated 502 horsepower/567 lb. The Crank - A SCAT forged 4. 25 inch stainless intake valves. GMP-1171-611 - Pace Dyno Tested Big Block Chevy ZZ502 600+ HP Deluxe Crate Engine This product may require vehicle validation(s) for proper fitment. Re: Fired up ZZ502--Now cooling probs! I've got a '88 1 ton 4x4 with a Tbi 454 & it's a clockwise rotation. insured and inspected and could be driven anywhere. you want to make good low to mid range torque to get you moving and square port heads are for top end power. GM Performance Chevy ZZ502 HO Off Road Crate Engine, 502 HP/567 FT. Powered by BB ZZ502 Gertag 502/508HP aluminum heads, 4bb Holley, Nitrous ( currently not hooked up )HEI, big tube headers, custom 3inch exhaust/flow masters side exhau FEATURED VEHICLE Newly Listed. Description: This is a complete ATI / Procharger Supercharger Tuner Cog Race Kit with a F-1, F-1A, or F-1D head unit for SBC & BBC Chevy Engines! This is the Chevy SB & BB Tuner Kit for aftermarket EFI/Carb. The 325cc magnum cylinder head intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend. This 1969 Buick Skylark Custom inst your typical '69 Syklark Buick. Custom Tinted Windows, Trim, Knobs, Moldings, Bezels, Emblems, Chrome Molding, Bumpers were all replaced with new, custom Front Head Light bulbs, Custom Rear tail light bulbs, ZZ502 Crate Motor Complete OEM replacement wiring Harness. There are two blind attaching at each side Of the panel. Nice fresh built big block 4 bolt mains. FiTech EFI Tuning Forum. 00", comes with aluminum, oval port cylinder heads with generous 110cc combustion chambers. The 69110 hedmans don't fit the ZZ502 heads, the ports are too big on the heads. We offer a price match guarantee, low prices, and we're a Google Trusted Store. The 1970 LS6 Chevelle SS 454 has been called “The Ultimate Muscle Car… King Of The Streets ” and, regardless of brand affiliation, muscle-car fans respect its 450 HP, 500 lb-ft LS6 engine. 1967 Camaro SS/RS Pro Street BB ZZ502 Gertag 46,000 miles showing 502/508HP aluminum heads, 4bb Holley, Nitrous ( currently not hooked up )HEI, big tube headers, custom 3inch exhaust/flow masters side exhaust , custom gauges, leather seats with racing belts, tinted glass, all trim, all steel body w/cowl hood, tubbed rear, trunk mounted fuel cell, battery relocated , 10 point full. Not really a touchy throttle very smooth. Description. This 1969 Buick Skylark Custom inst your typical '69 Syklark Buick. 00 V-6 or V8 Pair (up to. Still working on that but with winter here I have not taken it out. The push rods supplied in the ZZ502 crate motor are 10227762 for the intake and 10227763 for the exhaust. One of the heads (motor #2) being prepped for assembly onto the block. Edelbrock Part # 7561 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c. All ZZ502 crate engines are manufactured with GM's updated cylinder block casting that is stronger and better supports high-performance applications. There is a glove compartment under the seat with pleanty of room for your personal items. Deck heights defined. They are a full set. It is street legal. 88-inch exhaust valves. Get the combustion chambers done (in addition to all the normal high perf. of exhaust lift, and 110 degrees of lobe separation. The final tightening specification for the 2-inch bolts is 65 lb-ft; the 4- and 5-inch bolts tightened to 75 lb-ft. of intake lift, 0. Heads: Dart 225 Pro-1 out of the box/w 62cc chambers Let's hear about your DYNO PROVEN power combos Here's something a little different for you. Along with a dedicated line of in-stock pistons, we specialize in the manufacturing of custom, high-end, forged aluminum Import and Domestic piston applications, for use in high horsepower motorsports. Shop for Chevrolet C1500 Starter online today. Old cam was a Comp, with stock sized lifters. Modifications continue, including Magnum cylinder heads, on a GM Performance Parts 502-cid sixth generation big block V8 crate engine in Part 2 of a 502 Chevy Big Block Buildup, attaining nearly. Unmatched in dollar value for horsepower and torque. 25 inch stainless intake valves. The Pistons - Forged ICON Pistons that deliver 10. There are tooltips over each input to tell you which values are affected by this input. The only disadvantages are the higher cost of a shaft mounted system, and the possible need to machine the head to accept the shaft system. We rate the ZZ502/502 Base engine at 508 horsepower and 580 lb-ft of torque when it is finished with Chevrolet Performance aluminum intake manifold (P/N 12363406) and Holley 870-cfm carburetor (P/N 19170094). A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. Like a raw canvas or flawless piece of marble awaiting the master’s touch, the block is only as good as the casting itself. See Dyno Chart. mark by approximately 2,500 rpm and hold it above the mark until around 5,000 rpm. Holley® has been the undisputed leader in fuel systems for over 100 years. Coolant makes its way from the bottom of the block and out of the cylinder head to the radiator by a mechanically driven centrifugal pump. We offer a price match guarantee, low prices, and we're a Google Trusted Store. For You Explore. Big Block Chevy in a G-body! Pic. The ZZ502/502 Base engine uses our new cylinder block casting that is stronger and better suited to high-performance combinations. 1968 Chevrolet Camaro SS Convertible (Silver over Jet Black)* VERY RECENT RESTORATION!* ZZ502 BIG BLOCK V8 - NEW CRATE MOTOR!* ALUMINUM HEADS!* HOOKER CERAMIC HEADERS!*. The Magnum heads represent a giant leap in cylinder-head design and technology. Sold at 450 $ Up for sale is a set of comp cams elite race series solid roller lifters. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. Capable of flowing 390 CFM at 0. Cost is about $10,000 and it can be installed in just about any GM or Ford vehicle. 88-inch valves and a hydraulic roller camshaft designed to support low-rpm torque production, topping 500 lb. This engine started life with a good solid foundation of SRP forged 10. Or the Canfield is another good head. Car is a 64 Chevelle. Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Old cam was a Comp, with stock sized lifters. The Racer's Company. The spark plug gap adjustment should not be changed more than 3 times and should not exceed. i don`t know if edelbrock makes them for gm or not but the gmpp heads have a bigger intake valve than the edelbrock heads. There deffinately is a ot of power left on the table with these. The ZZ502 Deluxe big block is the crate engine for the street or the strip with over 500 horsepower - see images, dyno specs, installation info and more. There deffinately is a ot of power left on the table with these. TH350 W/3800 stall Strange Ford 9in 411 gears with old school Caltracs Wheels Rocket Racing Fuel Front 15x6 205. Generally, a good full port job and better/larger valves and improve the intake efficiency of C9OE or DOOE heads from the low 40% to the mid 50% range. 88-inch stainless exhaust valves, 290cc runner volume, and 110cc combustion. This "assumed" 80% does not give any sources or prove the volumetric efficiency rating of your car. Join millions of people using Oodle to find unique used cars for sale, certified pre-owned car listings, and new car classifieds. ZZ502 Base Big Block Crate Engine | Chevrolet Performance. This wiring kit is designed for ease of installation. Nothing is quite as satisfying as building your own high-performance big-block. 88 exhaust with both the intake and exhaust ports precision ported. A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. The aluminum cylinder heads have 2. I bought these new to use on my AFR performance big block heads but ended up using the ones which came with the heads instead. Just make sure when you say Hi to the RPM heads, you choose the proper components, as Edelbrock offers their top-end upgrades for both flat-tappet and hydraulic roller cams. The ZZ502/502 Base engine uses our new cylinder block casting that is stronger and better suited to high-performance combinations. Accessories Air Filters Apparel Camshafts Carburetors Chemicals Crate Engines Cylinder Heads Engine Dress-Up Fittings Fuel Injection Fuel Systems Garage Sale Gaskets Ignition Installation Items Intake Manifolds Nitrous Oxide Power Packages Sensors Superchargers Thermostats Tools Valvetrain Water Pumps. Find Zz502 on sale here with the biggest variety of Zz502 anywhere online. Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft. Car is a 64 Chevelle. Heads-Fully port, reshape runners, port match to intake/exhaust gasket, hand blend the short radi (where the hidden power is at), work and reshape into tear drop the valve guide bosses, polish the runners and polish the combustion chambers. To ensure a long and productive life, this performance big-block is based on a Gen VI block with four-bolt mains, a forged steel crank, forged steel rods and forged aluminum 9. I've put about 5000 miles on my ZZ502, but am looking for 50-75 more HP and 300-500 or so more RPM. In general, a light tan/gray color tells you that the spark plug is operating at optimum temperature and that the engine is in good condition. There deffinately is a ot of power left on the table with these. 50 @ 116 in the quarter, 7. Man did that thing run in a 22 Scarab. Also, without the stud in the way, a shaft mount rocker can be designed to transfer loads more directly, resulting in a stiffer rocker. The heads (PN 12363390) feature large 2. My question here is can I change pistons in this thing without changing the heads to improve power?It does have a mild cam from comp cams, XE256h-10. Looking for a supercharger for your Chevy Or GM? Shop our selection of universal supercharger kits for Camaro, Corvette, GTO, Pontiac, Firebird, LS1's and more! Gain 50-80% more power using our bolt-on systems. ZZ502 Base Big Block Crate Engine | Chevrolet Performance. Head has been milled about. 700" of lift. The deluxe version includes a carburetor to oil pan engine assembly ready to roar with 502 horsepower and 567 lb ft of torque. 025" from the factory. 1970 Chevelle Built to Your Color and Option Specification Convertible Option 1 (Original)- 1970 Chevelle SS 454 LS6 Convertible (non-documented high end tribute), rotisserie restoration, date/period correct authentic 70 LS6 4 bolt main 450hp engine w/ 291 square port heads – completely rebuilt from top to bottom. Zz502 There are lots of methods to enhance the gas economic climate of your automobile while driving gradually and also no unexpected velocities to inflating your automobile at the ideal stress. The ZZ502 has earned the rank of patriarch of the Chevy crate engine family. Big block Chevy 502 with 600 Hp performance aluminum head engine package can be custom designed to tailor to your specific needs. 00", comes with aluminum, oval port cylinder heads with generous 110cc combustion chambers. The motor is all factory block,heads. Jet hot coated Hooker headers and 3" Flowmaster exhaust. Find Zz502 on sale here with the biggest variety of Zz502 anywhere online. The ZZ502/502 is one of the industry's benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or strip. The Chevrolet Performance Parts ZZ502 Base Engine, which boasts 4. You can gasket match the Peanut head to the manifold as the Peanut head has enough metal at the port entrance for gasket match, but not enough to port all the way down. 25" valves The duration of the two camshafts is different, but the lift is nearly the same: 510/540 for the HO454, compared to 527/544 for the ZZ502. In terms of cfm it's about 40-50 cfm improvement to around 210 to 220. Chevrolet Performance once again offers excellent power with the ZZ502 Deluxe part #19201332, Serving up 502 horsepower from a classic big-block. 75:1 gears which limited me to 133 and 163, but it was quicker in the standing mile and was much easier on the clutch. Re: Fired up ZZ502--Now cooling probs! I've got a '88 1 ton 4x4 with a Tbi 454 & it's a clockwise rotation. The Deluxe ZZ502/502 kit gives you the opportunity to get all the parts you need in one box to build your own high performance big-block Chevy. 1968 Chevrolet Camaro SS Convertible (Silver over Jet Black)* VERY RECENT RESTORATION!* ZZ502 BIG BLOCK V8 - NEW CRATE MOTOR!* ALUMINUM HEADS!* HOOKER CERAMIC HEADERS!*. can easily be purchased through comp or summit racing not. Description. These complete sets include every gasket your stock rebuild or performance build-up needs in one package: cylinder heads, water and oil pumps, timing cover, distributor (where applicable), thermostat, and oil pan plus gaskets for the headers and intake manifolds that accommodate larger ports. 2017 NHRA SG Champ Runs Milodon Oil Pans. They are a full set. They accept all common big block cylinder heads and they incorporate a fully machined fuel pump pad and provisions for either hydraulic or flat tappet lifters. is very appealing on the water. GM Horsepower: ZZ502/502 Base Kit- Build-it-yourself Kit of GM Performance Parts' 502" Rat! About the Author This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. Cylinder-head port design and modification has been a source of speculation for as long as there have been internal combustion engines. of torque, it demands your full attention and a chassis that is strong enough to harness its frame-straining twisting power. com always has the largest selection of New or Used Boss Hoss Motorcycles for sale anywhere. The new cam is from Crower, with their recommended lifters included. I had a talk with a great tech at Comp Cams, Justin. 135-3609 Mark V, w/Dart Merlin aluminum heads. Sold at 450 $ Up for sale is a set of comp cams elite race series solid roller lifters. The are vertical. The zz572/620 stroker bigblock crate engine starts its pull under the 600 lb-ft mark at 3,000 rpm. @ 4,200 rpm 502 hp @ 5,200 rpm. This is the same GM crate engine with less then 500 miles on it. 00 for the oval port heads, if I could make my rec port heads work it be great. Bbc comp cams elite race lifters solid roller big block chevy 454 496 502 427. All ZZ502 crate engines are manufactured with GM's updated cylinder block casting that is stronger and better supports high-performance applications. 502 big block what is the timing and what is firing order? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 530 and weigh 80lbs each! The castings are too thin to port and the compression can't be stepped up because of detonation concerns. The Pump Gas 534 is complete from carburetor to oil pan. 058" wall thickness and 3/8" diameter. Nothing is quite as satisfying as building your own high-performance big-block. These crate engines are high-performance drop-in engines offering substantially more horsepower than the factory original. This pre-notching at the factory eliminates the need for the installer to notch the flanges themself, significantly reducing the installation time. You must likewise understand that automobile engine oil likewise adds as a significant consider assisting your automobile get to the additional mile. 2018, Impeller, drive fluid, and old change. com for more information on becoming a dealer. Notes: Fits old-style GM Performance ZZ502 heads. Is there a thinner one available? My big question concerning the heads is intake runner volume. mark by approximately 2,500 rpm and hold it above the mark until around 5,000 rpm. One head you could switch to is the Dart Pro 1 CNC. All ZZ502 crate engines are manufactured with GM's updated cylinder, block casting that is stronger and better supports high-performance applications. The ZZ502 has earned the rank of patriarch of the Chevy crate engine family. Solid roller cam. There are certain years and makes of engine blocks that are prone to cracking or leaking. 75:1 gears which limited me to 133 and 163, but it was quicker in the standing mile and was much easier on the clutch. If Quality, Reliability, and Customer Service is as important to you as it is to us, then ATK Marine is the choice for your new remanufactured marine engine. Chevrolet Has A Long History Of High Performance Cars And Excellence In All Forms Of Motorsports. Re: ZZ502 - Best Replacement Camshaft?? The heads on the ZZ's are not impressive flow numbers out of the box but with some work they respond real well. The ZZ502/502 Base Engine uses our new cylinder block casting that is stronger and better suited to high-performance combinations. More “pedestrian” engines (read passenger car and truck), received the oval-port cylinder heads. Whenever you hear someone referring to a 3/8" or 7/16" stud, they are referring to the "top part" of the stud that the rocker arm goes on. He also explained that the engine had some. 88-inch stainless exhaust valves, 290cc runner volume, and 110cc combustion. What I'm hoping to get is advise on is the heads for this engine. This engine started life with a good solid foundation of SRP forged 10. Rocker studs were installed with sealant. For You Explore. Big Block Popularirty. The ZZ502/502 Base Engine uses our new cylinder block casting that is stronger and better suited to high-performance combinations. Intake manifolds constructed from cast aluminum, polymer, or fabricated from sheet aluminum. Cast Iron with 4-Bolt Main Caps. This is a hydraulic roller cam, and should drop right into place of the stock one. One of the heads (motor #2) being prepped for assembly onto the block. The ZZ502/502 BASE BIG BLOCK CRATE ENGINE from GM Performance (#1249663) is the king of the crate engines! Unmatched in dollar value for horsepower and torque. 00 stroke crankshaft. Cost is about $10,000 and it can be installed in just about any GM or Ford vehicle. HQ Automotive Service & Parts. 030-over 454 street engine. It's ready to install. He also explained that the engine had some. My question here is can I change pistons in this thing without changing the heads to improve power?It does have a mild cam from comp cams, XE256h-10. Find 1978 Chevrolet Malibus for Sale on Oodle Classifieds. ZZ 502/502 Technical Information: Horsepower: 502 @ 5200 RPM: Torque: 567 Ft. Edelbrock Old School Tunnel Ram with two Holley Ultra HP 650s 540 HP / 580 TRQ P. All new seats and valves reground using only original GM parts with new Competition Cams 953 dual springs. New member from AZ. Chevrolet Performance once again offers excellent power with the ZZ502 Deluxe part #19201332, Serving up 502 horsepower from a classic big-block. In the crate you'll find the entire engine, from carb to oil pan, a Holley 870-cfm four-barrel carburetor, dual-plane intake manifold CNC-port matched to aluminum, oval-port heads, starter, distributor, plug wires, and water pump. The engine is out of a 98 truck but I replaced the cam with a ZZ502 cam and the intake with an Edelbrock and a Holley throttle body, it had to look traditional! I used the stock wiring harness and just cleaned it up along with the 0411 computer with the express van OS. Crower builds performance racing parts from camshafts to crankshafts. The cam he suggested was a #01-424-8, 242/248 @50 Duration, 545/560 lift. Head has been milled about. 25-inch stainless intake valves, 1. Running power disc brakes, but will eventually add electric vacuum pump (about 4-6 months). Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. A forged crankshaft, along with forged rods and pistons, anchors the bottom end, while our popular oval-port aluminum heads offer excellent airflow characteristics. ZZ502 502 Base 502HP @ 5200RPM It's simple: We offer the ZZ502/502 Base crate engine for builders who want the super-strong bottom end and high-flow aluminum oval-port cylinder heads, but also want to finish the engine their way. high-performance-engines. The heads are large oval port 290cc intake runners with 110cc combustion chambers. 25-inch stainless-steel intake valves and 1. All ZZ502 crate engines are manufactured with GM's updated cylinder block casting that is stronger and better supports high-performance applications. This wiring kit is designed for ease of installation. Details Zz502 Base Crate Engine 508 Hp @ 5200 Rpm 580 Ft/Lbs Torque @ 3600 Rpm. 80mm Twin Turbo BBC with a 4150 Blow Through Carb Sign Up for the latest information from SME:. The ZZ502 head gasket is. If Quality, Reliability, and Customer Service is as important to you as it is to us, then ATK Marine is the choice for your new remanufactured marine engine. Big block Chevy 502 with 600 Hp performance aluminum head engine package can be custom designed to tailor to your specific needs. They even offer a set of RPM, oval-port heads with small (102cc) chambers to maximize the static compression on these low-compression, flat-top piston, factory big-blocks. Bore x Stroke. Chevy ZZ502/502 Deluxe. Currently I'm running 2. Its big time valvetrain features 2. Both are 1010 steel,. ZZ502 Deluxe Kit, with Aluminum Heads Building on the very popular ZZ502/502 Base engine kit, GM Performance Parts offers you the Deluxe kit version of that same engine combination. All the same great parts used in the ZZ502 kit engines, but fully assembled for easier installation in your hot rod, street rod or sportsman racer. 47" bores and 4. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. The engine block in your vehicle is one of the places where cracks or leaks look like a non-repairable problem. 00 for the oval port heads, if I could make my rec port heads work it be great. 06-02-06 12:15 PM - Post# 946041 I have a 1993 gen V 454 bbc bored 30 over, it has 118cc open chamber heads. The last one was a 502 with the Chevy ZZ502 cam that Dennis recommended. 880 exhaust; stainless steel Compression Ratio: 9. air door-or»rating knobs. BBC Magnum - 24° Cylinder Head Our MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc, and 300cc or Rectangular Ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. General Motors Warranty Information. 47 bores and 4. To find a perfect set of headers, all you need to understand is how these two types differ. 1971 Chevrolet Chevelle Convertible VIN 136671R187400 Check out this beautiful 1971 Chevrolet Chevelle Convertible This Chevelle has a laser straight body with a Blue Metallic Paint finish Painted White Rally Stripes Power White Convertible Top Parchment Interior along with Polished Stainless Steel and Chrome Components all over that's sure to turn heads wherever you go This 71' has undergone. Chevy ZZ502/502 Deluxe. Make sure the dowel on the bottom of each pedestal is aligned properly with the alignment holes in the cylinder head and the pedestals are sitting down flush on the head with the valve lash adjusters completely backed off. The heads are large oval port 290cc intake runners with 110cc combustion chambers. All ZZ502 crate engines are manufactured with GM’s updated cylinder block casting that is stronger and better supports high-performance applications. The documentation included within this information packet builds on the ZZ502 short block and ZZ502 long block information. But this SS has something now that not many others can compete with, a rip-roaring, head-turning, ZZ502 engine that will leave everyone in the dust and you in the Winner's Seat. Crower builds performance racing parts from camshafts to crankshafts. 502 big block what is the timing and what is firing order? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Hedman's ZZ502 Hedders exhaust ports match the aluminum heads for optimal exhaust flow. Building on the solid foundation of the original 350 HP and 385 HP Z4 engines, Chevrolet engineers groomed more power out of the package with further cylinder head. Bbc big block chevy zz502 502 engine chrome aluminum valve covers (seaford) Sold at 275 $ Bbc 502 engine chrome aluminum valve covers. Estimating engine power. It makes LS junkies blush, Mustangs run scared and tall-deck '572 owners left scratching their heads. Hydraulic cams usually have about 20° ramps on either side of a 0. Big Block Chevy in a G-body! Pic. We rate the ZZ502/502 Base engine at 508 horsepower and 580 lb-ft of torque when it is finished with Chevrolet Performance aluminum intake manifold (P/N 12363406) and Holley 870-cfm carburetor (P/N 19170094). Roll your pointer to the left of the table to see typical values. On a small block Chevy, this dimension is usually given as 9. 8 Buick Grand National, and you can achieve this goal. With more than 500 horsepower and 580 lb. Still working on that but with winter here I have not taken it out. Looking that up it lists the springs as 12462970. My question here is can I change pistons in this thing without changing the heads to improve power?It does have a mild cam from comp cams, XE256h-10. The car as you can tell by the weight has no fiberglass, all steeeeeeeeeeeellllll. I drive 40 miles each way to the track. At that point, I set out to find the "true" volumetric efficiency of my car. This assures you of the highest value and quality in cast cylinder head. 1968 Chevrolet Camaro SS Convertible (Silver over Jet Black)* VERY RECENT RESTORATION!* ZZ502 BIG BLOCK V8 - NEW CRATE MOTOR!* ALUMINUM HEADS!* HOOKER CERAMIC HEADERS!*. For performance engines, operating at higher rpm, you can use the formula below. 008" in either direction. The heads are available in sizes ranging from 305cc to the big-daddy 357cc CNC-ported behemoths, depending on which. of intake lift, 0. Hydraulic cams usually have about 20° ramps on either side of a 0. A 1 3/4" primary tube header won't fit the ZZ 502 heads. The 454 was produced through 1991. CNC-Motorsports offers the best selection in BBC 540-555-565 short blocks. Running power disc brakes, but will eventually add electric vacuum pump (about 4-6 months). these covers are in near new condition. In the crate you'll find the entire engine, from carb to oil pan, a Holley 870-cfm four-barrel carburetor, dual-plane intake manifold CNC-port matched to aluminum, oval-port heads, starter, distributor, plug wires, and water pump. We now have a SAENZ model 680 flow bench which we all enjoy using. With more than 500 horsepower and 580 lb. Description: This is a complete ATI / Procharger Supercharger Tuner Cog Race Kit with a F-1, F-1A, or F-1D head unit for SBC & BBC Chevy Engines! This is the Chevy SB & BB Tuner Kit for aftermarket EFI/Carb. FT - Karl Kustoms!. I'll be using an Edelbrock Performer RPM Airgap intake. Like a raw canvas or flawless piece of marble awaiting the master’s touch, the block is only as good as the casting itself. Big block chev Dart 3/8 pushrod adjustable guide plates. 058" wall thickness and 3/8" diameter. Study the accompanying features to see how a GEN VI block can enhance your next big block build. For roughly 4 decades now, Ross Racing Pistons has met the global racer demand, for the most advanced forged pistons in the racing industry. 88" Stainless Steel: Valve Springs: 12462970: Rocker Arms: 12368082 1. This pre-notching at the factory eliminates the need for the installer to notch the flanges themself, significantly reducing the installation time. He also explained that the engine had some. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. I believe all he changed was the cam went marine style and mls head gaskets. We were curious what a couple of upgrades would do for the big-inch big-block! The newly worked-over heads were. Custom Tinted Windows, Trim, Knobs, Moldings, Bezels, Emblems, Chrome Molding, Bumpers were all replaced with new, custom Front Head Light bulbs, Custom Rear tail light bulbs, ZZ502 Crate Motor Complete OEM replacement wiring Harness. CycleTrader. Ultimate Guide to Building Chevy-Big Blocks: Cylinder Blocks Instruction These big chunks of iron or aluminum are indeed the building blocks upon which your entire engine is crafted. Assault Racing Products V4002 Small Block Chevy Polished Fabricated Aluminum Valve Covers Center Bolt Vortec SBC 305 5.