What compression ration is my pistons?
Thread Starter
Registered User
Joined: Aug 2012
Posts: 390
From: Research Triangle Park, NC
What compression ration is my pistons?
The engine code off of the oil filler is worn. I have a big "C" near the #1 cylinder though. Is that the "UC" engine code where I can look up in Chiltons. That is what I believed to be true, just want to be sure. In Chilton, for 1968 "UC" it is 9.0 to 1.
Seasoned beater pilot.
Joined: Jan 2007
Posts: 5,468
From: Chicago
If it's a 2barrel, the pistons are most likely 30cc dish which ends up around 9:1 compression.
If your heads are removed The C code by your number 1 cylinder is the bore code. If the cylinder heads are still on, you most likely have small valved C type heads.
If your heads are removed The C code by your number 1 cylinder is the bore code. If the cylinder heads are still on, you most likely have small valved C type heads.
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Jan 10, 2009 04:55 PM
