Offshoreonly.com - 9:1 compression and a blower with low boost

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- - 9:1 compression and a blower with low boost (https://www.offshoreonly.com/forums/general-q/94979-9-1-compression-blower-low-boost.html)

Prowler

01-26-2005 11:44 PM

Re: 9:1 compression and a blower with low boost

i'm running 7 psi of boost on my engine with 9:1 comp with a 250 just put a 420 on it and plan to run 7 psi on that also with stk gm heads that are flowed 2-holley 850's on both set-ups,never a problem for atleast 5 years now.

MESABALANCING

01-27-2005 08:02 AM

Re: 9:1 compression and a blower with low boost

Quote:

Originally Posted by boatman747

But what compression ratio are you guys running ?

were running 9.1

boatman747

01-27-2005 03:34 PM

Re: 9:1 compression and a blower with low boost

I like what Im herein My 540 pushing 575 630 torque should gain how much with a 250 b&m at abt 5 lbs of boost . Another 100 hp maybe ?

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