Thread: Compression test oops
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Old 08-31-2009, 12:24 AM   #8 (permalink)
bgd73
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oldscoob - '87 subaru wagon gl/dr
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Quote:
Originally Posted by JasonG View Post
Carbon build-up on the crown of the pistons will raise your compression as well.
very true. the high number is actually headed towards evil. the purpose of the test is to be within specs. Remove EGR anytime...
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