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Compression Test Result. 120-130

posted by  RepairmanJackal on  Fri Sep 16 10:57 CST 2005
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last visit: Tue Jun 10 09:52 CST 2014
[RELATED]

Well, after re-reading the compression test guidelines over at VClassics, I didn't really do this correctly. I removed each plug individually, hooked up the compression tester and started the engine, let it idle a few seconds and shut it down. I'm not sure what difference this makes to the overall results, but I'm not going to go re-test it right now.

Cyl PSI PSI w/ Oil Squirt
#1 135 135
#2 135 139
#3 130 140
#4 140 140

I bought the car with the expectation that I'd need to rebuild the engine. This engine has been rebuilt at least once before. The car tends to lose a quart of oil every 200 or so miles. Unless I'm monkeying around with the carbs, or if it has not been started for many days, it never belches black smoke.
There also seems to be a fair amount of oil residue around all the engine seals, so I've been wondering if a rebuild was really needed. The compression results are better than I expect, but still a little low. Overall, I am wondering if I just need to replace the gaskets and seals.


--
1967 P220 Amazon, 1972 145S, 1976 245 DL, 1983 245 DL, 1986 745 GLE, 1990 745 GL, 1995 945....
You mean to tell me that Volvo makes cars that are *NOT* Wagons?!?






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