Are you running a flip drive type system? The big restriction is on the intake side going into the YSI. Open that up and you see huge gains there.
Dynoing Wednesday
Should be interesting. 427 LSX, PRC 285 heads, 232/246 cam. Ysi is being spun to max. Made 917rwhp on a 3.1"/7.25" combo last year, now has a 2.75/8" combo along with a bunch of other stuff. Lighter clutch, light driveshaft, etc. It will be interesting.
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