Id need a copy of the race track rules and engine build regulations
id need to know limits on octane or fuel used etc.
at that power level Id want to use alcohol or at least 115 octane gas
and probably stack fuel injection if I had that option
no stock production SBC block will work,
youll need a bowtie or better yet a dart
block youll obviously need to find some engine builder locally to work with,
youll need a dart race style block
https://dartheads.com/little-m2-blocks/
750 plus hp out of a N/A engine is something that can be done but it won,t be cheap
and I doubt your current carb is ideal.
https://kinsler.com/Shop/nascar-tech-article/
look over these, links, but notice they don,t use iron heads
https://rockyengines.com/home/150-f...vy-sb22-complete-race-engine-811hp-560ft.html
https://www.steveschmidtracing.com/...acing-engines/new/427-pro-sportsman-18-degree
obviously you have options
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a set of those dart heads is almost $1780
youll spend a bit more (about $400 more)on profiler heads but they would easily boost power at least 20-30 hp
Producer and Seller of aluminum aftermarket cylinder heads, intake manifolds and engine accessories. Specializing in big block chevy ,small block chevy, big block ford and small block ford.
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Air Flow Research's 195cc SBC Race Cylinder Heads are the preferred choice for a more aggressive street or street/strip build. 195cc SBC Race Cylinder Heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for...
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as a general rule, on a SBC performance engine build ,
try to select a cylinder head that reaches or exceeds 250 cfm at .500 lift and ideally 280 cfm PLUS at max lift PLUS
or you could get similar performance to the dart heads for several hundred dollars less
Air Flow Research's 195cc SBC Enforcer Cylinder Heads feature AFR's Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget-friendly cylinder head is...
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