Don't expect a big hp gain with a vacuum pump. That is never the number one reason anyone uses one. It is to relieve crankcase pressure.
__________________
466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2
373 gears 3200 Continental Convertor
best et 10.679/127.5/1.533 60ft
308 gears best et 10.76/125.64/1.5471
|