Re: 1946 M - Low Compression????

Posted by Chad from Michigan on July 19, 2006 at 07:35:35 from (152.72.173.130):

In Reply to: 1946 M - Low Compression???? posted by Fiddling Man on July 18, 2006 at 18:40:11:

Just a thought
when you do your compression test do it dry and then put a shot of oil in each cylinder and if the compression jumps up by a lot the rings need to be seated or are junk. If it doesn't go up much you need to adjust your valves.
As far as low yeah seems low but if you have the disalite head on it your going to be lower on compression anyway. My 44 H has 90lbs for compression across the board and that is good enough for me. You can also try sea foam in the gas and oil that help out a tractor of ours and I would use it again.
One other thing is try checking the timing I have found that on our Farmall A that dad could always pull start it or push it down a hill and it would fire right up and if you cranked it then it was uper hard starting. One day I reset the timing and it was off and when I cranked it then it fires right up. Just a few other things to check.
also make sure you have a good strong spark!
Chad

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