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  #1 (permalink)  
Old 03 Feb 2012, 08:09 pm
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Unhappy pt timming

when the old timming belt was on the car it was 1half tooth off would that cause the compresion to read at zero? or is it bent valves?thanx 4 looking

Last edited by cooltooldual; 03 Feb 2012 at 08:13 pm. Reason: trying to fix my sister inlaws pt
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Old 04 Feb 2012, 12:09 am
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Default Re: pt timming

If it has zero PSI compression, either your gauge is broken or the cams are a heck of a lot more than 1/2 tooth off.
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Old 04 Feb 2012, 03:54 pm
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Default Re: pt timming

Quote:
Originally Posted by UptownSport View Post
If it has zero PSI compression, either your gauge is broken or the cams are a heck of a lot more than 1/2 tooth off.
2X What Uptown said.
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Old 05 Feb 2012, 01:21 pm
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Default Re: pt timming

What about the valves could they be bent?:
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Old 05 Feb 2012, 02:02 pm
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Default Re: pt timming

If the valves are bent you still shouldnt get a compression reading that low.
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Old 05 Feb 2012, 02:36 pm
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Default Re: pt timming

Unless it's a Euro 2.0 it'd be very difficult to bend two valves letalone eight that'd be need for zero on all cylinders.

Taking head off isn't that hard once you're into the belt, so if you're itching to
remove it ...
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Old 05 Feb 2012, 03:13 pm
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Default Re: pt timming

Put it in time with the crank using the old belt. Make sure everything is in time then check compression again. If both cams are turning you will probably find you have a compression reading above 0.
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Old 05 Feb 2012, 04:44 pm
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Default Re: pt timming

Here's an EZ how-to cam alignment pic, courtesy of the booger man:


Just
stick something, anything in the two holes; they need to point straight up!
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