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0307htp Holleystealth11 Z

Jimmy Ramanauskas of SMR Automotive (next door to Professional Engine Service) has dynoed a number of cars and helped dial in the IROC. He recommended the fuel pressure be dropped from 46 to 38 psi (based on the O2 readings) which showed the largest increase of power from one change. He also watched the fuel pressure and verified the stock fuel pump could maintain the pressure while generating 330 rear-wheel horsepower.
Holley StealthRam Intake - Ram That TPI!

 Jimmy Ramanauskas of SMR Automotive (next door to Professional Engine Service) has dynoed a number of cars and helped dial in the IROC. He recommended the fuel pressure be dropped from 46 to 38 psi (based on the O2 readings) which showed the largest increase of power from one change. He also watched the fuel pressure and verified the stock fuel pump could maintain the pressure while generating 330 rear-wheel horsepower.  View Related Article

 

 

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