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• Fully GM assembled long block • ?

The heads will not support much above 5,200 because they are basically stock ova?

Pace now offers the ZZ502 deluxe crate engine upgraded with more than 600HP and 550 ft. The throttle valve that comes on the engine is a twin blade 48MM which is the same size originally used on the 305″ TPI engine in 198600 $ 525 Customer Reviews. The ZZ502 Is A Great Crate Engine, But It Can Be Even Better With Just A Few Upgrades. Jan 19, 2006 · The ZZ502 is a solid performer. news center 7 dayton I had pocket ported the heads, substituted roller rockers for the stamped steel non-adjustables (have to change the studs so I used ARPS) and was running a rev kit. Well this one bolted up to the manifold on our 502 and performed as well as a 850 Carburetor. Jan 1, 2024 · The ZZ502/502 Deluxe is Chevy Performance's most popular big block crate engine, offering excellent value & performance for either the street or the strip. I also have a upgraded HEi with a 6al-2 MSD and blaster 2 coil. teenage models Motor is well broken in, runs very strong, but is way under-cammed. 59 Tires: 275/60/15 Mickey Thompson Pro 20845 posts · Joined 1999 I had a ZZ502 cam ground into something in between those 2 camsmine spec'd out to 233/243@537/ cost $90 (via Delta Cams) and I am very happy with the results. I then added Holley MPFI. The ZZ502 Base big block is the DIY foundation for builders who want crate engine customization. The Chevrolet Performance ZZ502 is one of the industry’s benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for. I am about to swap my 454 for a ZZ502 crate motor in my 74. burberry button up shirt Pace Dyno Tested Big Block Chevy ZZ502 600+ HP Deluxe Crate Engine Includes: • Pace engine Dyno break-in, test and tune service. ….

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