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engine trouble???
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Posted by SMTA Man on May 21, 2001 at 20:29:03 from (12.18.158.25):
Last fall I put new pistons, rings and liners in my smta. I also had the valves ground and some of the seats were a bit narrow. The tractor does not seem to have the power it should. I ran a compression test on all cylinders with it cond and they showed 60 pounds, even in all cylinders. With the tractor warmed up but not to operating temp all cylinders were at 90 pounds plus or minus 2 pounds. I haven't really had a chance to work the tractor hard, I am wondering if maybe the rings haven't seated. It probably has 20 hours on it since the overhaul mostly light work with snow blade and harrow. What do you think? I don't have a job to put it on a hard pull for an extended time, thinking about taking it to a shop and running it on a dyno for a couple hours. Any suggestions appreciated.
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