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Polish, not porting, stock heads?

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Old 04-29-2003, 11:57 AM
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Default Polish, not porting, stock heads?

How much of an improvement on polished intake and exhaust ports on stock LS1 heads with stock valve sizes? BTW, I am going to a FI setup.
Old 04-29-2003, 04:09 PM
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Default Re: Polish, not porting, stock heads?

...i think there is not much polishing to do here on stock heads...so gain is very minimal ...just MO.
Old 04-29-2003, 04:13 PM
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Default Re: Polish, not porting, stock heads?

Just wondering. Thanks anyway.




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