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#1 |
Registered User
Join Date: Feb 2008
Location: sacramento california
Posts: 204
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how to check engine compression on stand
hi. is there a way to check the compression on the engine stand? sorry im trying to get a (he says)running engine but I want to check the compression, dont have the money for a rebuild and frankly I dont think that my truck is worth that much so I just wanna make it a runner to sell it for a little more. the engine is only $200 from a friend
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#2 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: how to check engine compression on stand
hook up a batterry and a remote starter switch, pull all the sparkplugs, block the throttle all the way open, and start checking it one hole at a time.
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#3 |
Registered User
![]() Join Date: May 2005
Location: Tallahassee Fl
Posts: 773
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Re: how to check engine compression on stand
Could do a leak down test, basically you turn to top dead center, pump air in the cylinder and watch for pressure loss. Most compression testers can be adapted I am sure that Harbor has a leak down tester cheap. less hassle than spinning a enging over on a stand.... my 2 cent.
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#4 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: how to check engine compression on stand
If you just want to make sure it has some compression both methods mentioned above will work.
The leak down test is good for testing valves, bad rings and maybe a really bad head gasket leak but for your purpose, the method LHM mentioned is better. I've done that on a few engines. |
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#5 |
Registered User
Join Date: Feb 2008
Location: sacramento california
Posts: 204
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Re: how to check engine compression on stand
well thanks everyone the engine turn out good on one cylinder head but the other side was in the low 90s so Im back to hunting for another engine
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