Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

305 question?

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Old Oct 13, 2006 | 04:56 PM
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Default 305 question?

I need to know whats the compression psi per cylinder suppose to be on a 305.
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Old Oct 13, 2006 | 07:14 PM
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Originally Posted by krayzie7th
I need to know whats the compression psi per cylinder suppose to be on a 305.
I'm thinking 125 but if they're all the same then it's all good.
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Old Oct 13, 2006 | 07:30 PM
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thanks i checked them and the compression on the right side was 150 an all of them but on the left side it was 120 n one was 60 so for sure something is off.I also wanted to know smoke comes out the pcv can is that coused because the rings might be out already?
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Old Oct 13, 2006 | 07:33 PM
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Yeah, sounds like you have a lot of blowby.
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Old Oct 13, 2006 | 07:35 PM
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yup thats what i thought to, thanx autometer.
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