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TUT
Dodge Dakota
JOIN HERE
9/24/2005
13:45:22
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 Subject: Lost compression
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Message:
My 318 has a few miles on it and I was wondering if there is a way to tell where a cylinder is leaking compression at - valves or piston rings?
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toolfan
Dodge Dakota
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9/24/2005
13:52:56
| RE: Lost compression
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Message:
go buy a compression test or have one done. each cylinder should be within 0-10% difference of each other. i think in the 150psi range but correct me if im wrong.
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OBIO3
Dodge Dakota
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9/24/2005
18:40:49
| RE: Lost compression
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Message:
TUT > Do get a compression guage > The kind you screw into the spark plug hole so it's accurate > Warm your engine up > Pull plugs and work your way around the engine writing each reading down for each cylender > Then ONE AT A TIME put a couple of squarts (don't over do it) of oil in a plug hole and record the differance if any > Getting ahead of myself > I assume you do know to turn the engine over each test just a few revelutions > Now > If the compression increases with the oil in the cylender your rings are bad > If it does not change but is low it's your valves > Good luck
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TUT
Dodge Dakota
JOIN HERE
9/25/2005
05:36:19
| RE: Lost compression
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Message:
THX for the input - my 318 has 189000 miles and still runs hard - no oil burning. I will be getting that compression tester here soon. Do I turn the engine over w/o starting it - like pull the coil wire?
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