Although I would not rule out the failed head gasket/warped head/cracked
head theory, I have to agree with Barney. Do the simple things first -
check the valve adjustment! A simple adjustment may bring the compression
back up to the others. If the car has recently lost power, you may get away
with just the adjustment, and nothing else, or you could try Barney's no
head removal valve grind. If the compression is not up, then take off the
head and check for the bad gasket or warpage or cracks.
>It's my understanding that you can get by with compression that's a
>little lower than specs, as long as the compression in all cylinders is
>pretty close to the others. That being said, I wouldn't worry much
>about 1, 2, and 4, but 3 is a major problem. My first guess would be
>head gasket. You could do the rings while you're at it, but if you
>don't want to get into that at this time, don't worry about them. Check
>that head gasket before you do anything else.
>
>-NORY
>Don't assume that because you have found one problem, you have found the
>ONLY problem.
>
> '74 Midget & '71 parts car
> '94 Ford Ranger
> '86 Ford Escort
> '89 Ford Probe
> '96 North American Shepherd
> 2 cats (handiest shop tools around)
>http://www.geocities.com/SiliconValley/Way/9101
>
>
Phil Bates
58 MGA
67 MGB
75 Jaguar XJ12C
66 Land Rover
52 MG TD replicar (VW)
86 Peugeot 505 Turbo Gle
86 Honda Accord LX-i
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