Question on s-trim pulleys..
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Registered User
Joined: May 2006
Posts: 437
Question on s-trim pulleys..
Hey guys,
I currently have a Vortech S-trim with the stock crank pulley and 2.95" blower pulley. It is only making around 7 psi. peek boost (kinda low due to larger heads, headers, etc.).
I was wondering how much boost I will gain if I change the stock 6" crank pulley to a 6.66" crank pulley? Would this be a good idea?
Also, will I be over-spinning the s-trim with this combo? The final set-up would end up being:
6.66" crank pulley
2.95" blower pulley
shifting at approx. 6,500 RPM
thanx in advance....
I currently have a Vortech S-trim with the stock crank pulley and 2.95" blower pulley. It is only making around 7 psi. peek boost (kinda low due to larger heads, headers, etc.).
I was wondering how much boost I will gain if I change the stock 6" crank pulley to a 6.66" crank pulley? Would this be a good idea?
Also, will I be over-spinning the s-trim with this combo? The final set-up would end up being:
6.66" crank pulley
2.95" blower pulley
shifting at approx. 6,500 RPM
thanx in advance....
Registered User
Joined: Dec 1969
Posts: 4,950
From: San Diego, CA
Here's a link to Vortech's impeller speed calculator: http://www.vortechsuperchargers.com/...d%20Calculator
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