compression ????
19-05-2008, 07:10 PM
#1
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compression ????
my mate just done a compression test on his car an one reading was 18psi lower than the other 3 is that anything to worry about the car is runing ok and no smoke.
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20-05-2008, 05:31 AM
#2
Not worth worrying about, especially if it has a few miles.
In an IDEAL world they would all be within 10% of each other, but I wouldn't personally bother about 18%, as it means stripping bits down.
You could always do a dry then wet test to see if it is rings of valves, it is most likely valves,(or just the tester did not make a good seal on the low one).
What car is it anyway.
tabetha
In an IDEAL world they would all be within 10% of each other, but I wouldn't personally bother about 18%, as it means stripping bits down.
You could always do a dry then wet test to see if it is rings of valves, it is most likely valves,(or just the tester did not make a good seal on the low one).
What car is it anyway.
tabetha
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