Crashing is optional. Blown Small Block Chevy Boost Chart Blower speed is a direct result of the combination of the lower (drive) pulley and the upper (driven) pulley. While this may seem simple ...

At some points on the dyno chart ... diameter blower pulleys to push more torque higher in the RPM band. With the wastegate, we can spin the blower faster to produce greater boost and bleed ...

Thus, with the Novi 1000 the Cobra blower pulley was 3-1/2 inches, for about 11 pounds of boost. Paxton was thinking ... If you were going by dyno charts alone, the 1000 would not look compelling.

A 3″ blower pulley was used to spin the blower faster for extra boost, kicking things up to a full 12 psi pumped through a L32 throttle body from the Series 3 V6 for better flow. With the ...