What are good compression numbers for 9.1 turbo motor?
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Joined: Aug 2003
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From: Sheridan, WY, 82801
Re: What are good compression numbers for 9.1 turbo motor? (crxvtecturbo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by crxvtecturbo »</TD></TR><TR><TD CLASS="quote">i have a b18c with 9.1 pistons eagle rods .20 over what should my compression numbers be?
Example: 176,175,176,175</TD></TR></TABLE>
How many miles are on your setup? #'s look consistent, and nothing unreasonably low. What headgasket are you using? Those #'s look about right considering most stock z6's will crank out ~180 (9.2:1) and y8's will crank out ~190 (9.6:1).
Example: 176,175,176,175</TD></TR></TABLE>
How many miles are on your setup? #'s look consistent, and nothing unreasonably low. What headgasket are you using? Those #'s look about right considering most stock z6's will crank out ~180 (9.2:1) and y8's will crank out ~190 (9.6:1).
Joined: Sep 2004
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Re: What are good compression numbers for 9.1 turbo motor? (Unsivil_audio)
My motor has had a difference of 30 psi cranking on different days in different locations. Weather, altitude, how many cranks, etc, all have a huge effect on your compression. If the numbers are very close, you're gravy. It's unlikely that you're going to get rings or valves leaking in every cylinder at exactly the same rate, so you're fine if the numbers are close.
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