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Old 09-27-2001, 10:23 PM
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ArboristSite ArboristSite is offline
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Engine compression

Anyone have information on what the compression should be per cylinder on a Dodge 360? I found one used for my plow truck and want to check it out before hand. Thanks, Darin
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Old 10-11-2001, 04:00 AM
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what year engine?
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Old 10-11-2001, 10:36 AM
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1984
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Old 10-11-2001, 02:57 PM
thelawnguy thelawnguy is offline
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From the FSM:

Minimum compression 100 psi (engine warm spark plugs removed and wide open throttle)

Maximum variation per cylinder 40 psi.
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Old 10-11-2001, 04:00 PM
HOWARD JONES HOWARD JONES is offline
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May I ask what the FSM is, and is it online? Many years ago I raced and built my own engines - 40 pound variation sounds absolutely awful, like a real smoker.
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Old 10-11-2001, 09:11 PM
thelawnguy thelawnguy is offline
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Factory Service Manual (Chrysler)

No its not online, its in your garage or local used bookstore
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Old 10-13-2001, 01:40 AM
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a compression test is an ok way of telling and engines cond. but a leak down test is alot better. the above post says 100 psi with a maxium spread of 40 psi. i say he is in the ball park , but it should be around 115 to 120 with no more than 20 psi. spread.
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