Quote:
Originally Posted by Mitsumark
Compression test results..Don't know if these are good #s on an LT5..It was done with engine hot, all plugs removed,TB wide open..Each # represents that cylinder..
1.261
2.258
3.265
4.265
5.260
6.261
7.258
8.255
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Numbers look right for a 12:1 compression ratio motor.