compression question

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03-07-2006, 06:51 PM

Crimedog

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Join Date: Feb 2006

Posts: 5

compression question

hey im wondering whats a good compression ratio for a street car that will be drivin a ton and whats the highest compression you can go off pump gas?

03-07-2006, 07:35 PM

stanglx2002

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RE: compression question

so you are going to be all engine right? High compression engines dont like boost

03-07-2006, 07:40 PM

eaturls1

1st Gear Member

Join Date: Jan 2006

Posts: 141

RE: compression question

I HAVE 10.1 IN MY MOTOR AND RUNS FINE ON HIGH TEST.NOW IF YU PUT IN LOW TEST FUEL IN RUNS LIKE SH*T. MOTORS STARTS PINGING AND ALL SORTS OF OTHER SH*T

03-07-2006, 07:42 PM

Crimedog

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Join Date: Feb 2006

Posts: 5

RE: compression question

yea im not gonna have any nos or a supercharger

03-07-2006, 07:42 PM

stanglx2002

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RE: compression question

on a street driven car I wouldnt go higher then 10:1 compression

03-07-2006, 08:10 PM

Crimedog

Thread Starter

Join Date: Feb 2006

Posts: 5

RE: compression question

so would 10.5 cr be pushing it

03-07-2006, 08:15 PM

bdwjdw

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Location: Mississippi

Posts: 307

RE: compression question

It's not pushing it, you just have to run a higher octane fuel.

03-07-2006, 11:20 PM

tinman

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Join Date: Aug 2004

Location: Arizona

Posts: 4,103

RE: compression question

What is the altitude where you are planning on runnig it? What cam are you planning on using? Are you going with EFI or carb?
Need to know these things before you can ever worry about compression..........