mill 64cc heads to 58cc how much comp will be gained

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Jan 26, 2001 | 01:37 AM

robert mendoza

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Joined: Mar 2000

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From: EDWARDS,CA

mill 64cc heads to 58cc how much comp will be gained

Right now im sure my compression is no more than 8.5:1. I have a 350 bored 60 over.I bought it from an engine from a shop that built it for a stock 77 pick up.I added a extreme energy roller and vortec heads.I can advance the timing alot and It will not ping so I was wondering if increasing comp by milling heads will increase power out put and if it will add a point to my compression. thx

Jan 26, 2001 | 05:09 PM

Mike92

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Joined: Oct 1999

Posts: 249

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From: Houma, LA USA

about.5

Jan 26, 2001 | 09:14 PM

bad camaro RS

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Joined: Sep 2000

Posts: 256

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From: indiana

i had mine milled to 58cc and gain .7

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1992 camaro RS
195cc AFR heads with compition port work milled to 58cc
373 10 bolt rearend
ssm sfc's
87 350 TPI
bored 30 over
compucam 2032 with 1.65 full roller rockers
497-510 LIFT 214-220 duration
msd6AL
1 5/8 headman headers
2 `1/2 flowmaster exuast
k&n filters gutter air box gutted maf
3 pc under drive pulleys
no emissions no egr etc
custom ED Wright chip
eddelbroc intake base and runners ported plenum
Taylor 8mm wires
B&M mega shifter
gutted maf/airbox
hotchkis lower control arms
3" exhuast cutout
homemade cold air intake
2000 tci stall
700R4 with B&M shift kit edelbrock water pump
new best ET 13.5 @104.66
no times with new afr heads hopeing for 12's