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I did the 01 headswap on my car. I need to go to smaller pulley. I have the 3.5 on the Novi now and would like to see the 6-8 pounds again. Would a 3.25 be enough to see that? BTW if it matters,01 heads, headers 42's etc. if it matters. The car sees 1-3 pounds now. Per Shannan compression is 9:25:1 and I would only like to see 6-8# max. Thanks in advance, R
 

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Hey, this doesn't answer your question but I wanna do the PI swap too but I am afraid of blowing up my engine. Supposedly, the compression you have is "blower friendly" if you know what I mean. Is this true? My car is my daily driver and I can't afford blowing my engine up. What are the chances with that compression? I run 6#'s boost.
 
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