low compression in #2 only showing 89 lbs - Page 2 - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #11 of (permalink) Old 11-10-2002, 03:46 PM
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Re: low compression in #2 only showing 89 lbs

A good leak down tester will run somewhere around $1000.

You don't need anything like that.
Just core out an old sparkplug and put an air fitting on it,
or use the adapter from a compression gauge like stated.
Or, some parts houses, real ones, not discount, sell an adapter
to do it - designed to be used when replacing valve seals.

You just want to put a little air pressure in the cylinder
at TDC to see where it leaks out.

RRich is offline  
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