m42 Compression Ratio

PeaveyBassist

No R3VLimiter

Join Date: Sep 2004

Posts: 3511
#1

m42 Compression Ratio

04-18-2007, 09:19 PM

What is the stock CR of the m42? e30/e36 if they are different. Also, What is the stock headgasket thickness for an m42? VAC Motorsports has a steel headgaskt that is 0.140". What CR would you get if you had everything stock, except for the 0.140" headgasket?

Will

RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
Welcome e30 (brilliantrot '90 325is) 12/23/06
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Jon325i

R3V OG

Join Date: Oct 2003

Posts: 6934
#2

04-18-2007, 10:55 PM

Search around http://www.m42club.com. I'm fairly certain it is 10.5:1. Someone else confirm my (in)accuracy.

Jon

Rides...
1991 325i - sold :(
2004 2WD Frontier King Cab

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