How much can u mill 853's

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Jul 12, 2008 | 11:22 AM

95FbFormula

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From: Canton, OH

How much can u mill 853's

I have a 6.0 lq4 using stock replacement pistons 4.010 bore looking to get as much compression as I can out of it with 853 heads.

Jul 12, 2008 | 05:46 PM

Shawn MacAnanny

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From: Delaware

.030 i believe. I'm pretty sure you need to use 3.905 gaskets and not 4.010 too.

Jul 12, 2008 | 08:13 PM

chpmnsws6

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From: Springfield IL

I pulled .050 without any ill effects

Jul 13, 2008 | 02:02 AM

camaro 1999

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i bought a car and the ad when i bought it said that the car has stage two heads on it but the casting on the front say 853 can i check this somehow?

Jul 13, 2008 | 02:16 AM

quikrnmost

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From: Denver, CO

.050 is as far as I would take it. I know .035 on mine is fine.

Jul 13, 2008 | 11:16 AM

cdoggy81

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From: FL

chpmnsws6,
Did you have to mill the intake any to get it to fit ok?
Shorter PR too I assume.

Last edited by cdoggy81; Jul 13, 2008 at 11:21 AM.

Jul 13, 2008 | 12:32 PM

chpmnsws6

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From: Springfield IL

Didn't have to angle mill it, and yes, I ended up with a 7.350 PR

How much can u mill 853's

How much can u mill 853's

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