Low compression
May 4, 2005 | 08:22 AM
#1
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From: Portland Oregon
Low compression
hey everyone,
I'm looking into buying a 89 toy p/u 3.0l v6.
It has low compression, so the price is ridiculously cheap.
what exactly could be causing the low compression? I just want to know what I'm getting into if i do purchase it. Does it need new HG, or is it something more serious.
I may just try to find a remanufactured engine to throw in there..
any help is appreciated
tre
I'm looking into buying a 89 toy p/u 3.0l v6.
It has low compression, so the price is ridiculously cheap.
what exactly could be causing the low compression? I just want to know what I'm getting into if i do purchase it. Does it need new HG, or is it something more serious.
I may just try to find a remanufactured engine to throw in there..
any help is appreciated
tre
May 4, 2005 | 12:24 PM
#2
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Joined: Oct 2003
Posts: 2,593
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From: Port Coquitlam, BC
How low is low, and on which cylinders. If it's low on 2 joining cylinders and OK on the rest then that's probably a head gasket. If all of them are low then your looking at worn rings. Even if it's a head gasket on a 89 you may want to do a valve job while the heads are off, so that will add to the cost.
May 4, 2005 | 01:49 PM
#3
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From: Portland Oregon
Cool, thanks for the info. I'm going to be running a compression check on it tonight to see what cylinders are bad...
May 4, 2005 | 04:15 PM
#4
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From: benton city wa
post up what you find to.
my #'s were around 172,165,162,160 starting from the front to the rear.
those arent low are they? its a 22re with a 1/4 million on her almost, well, 223000,
wade
my #'s were around 172,165,162,160 starting from the front to the rear.
those arent low are they? its a 22re with a 1/4 million on her almost, well, 223000,
wade
May 4, 2005 | 05:36 PM
#5
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Originally Posted by wimpywade94
post up what you find to.
my #'s were around 172,165,162,160 starting from the front to the rear.
those arent low are they? its a 22re with a 1/4 million on her almost, well, 223000,
wade
my #'s were around 172,165,162,160 starting from the front to the rear.
those arent low are they? its a 22re with a 1/4 million on her almost, well, 223000,
wade
they arent low...but all cylinders have should have a certain % difference...and the difference between 172 and 160 is really gonna be pushing it....I dunno what that % is, you may be able to check the service manual about this....
May 4, 2005 | 06:05 PM
#6
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From: ELN
Originally Posted by CynicX
they arent low...but all cylinders have should have a certain % difference...and the difference between 172 and 160 is really gonna be pushing it....I dunno what that % is, you may be able to check the service manual about this....
Last edited by Glenn; May 4, 2005 at 06:10 PM.
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