acceptable compression range for a 600

dmiller · Mar 15, 2013

What is the acceptable compression range for a ford 600?

dmiller · Mar 15, 2013

gas tractor

souNdguy · Mar 15, 2013

i imagine you are gonna want to see in the 100-135 range really.

N's wer eminimum 90 psi.. etc..

Jerry/MT · Mar 16, 2013

do you know what the design compression ratio is supposed to be?

dmiller · Mar 16, 2013

I don't know much of the specs. for this tractor at all. Bought a bunch of things locally off craigslist last spring (so I could get the two things I wanted) and have been trying to fix/sell the rest.
I have spark (after many hours of frustration last summer and replacing the coil, rotor, points/condensor, plugs and wires), gas to the carb (took the carb apart, cleaned it out checked the passages etc.) Cranks nicely (for a 6 volt) but all I can get out of it is a weak cough.
Compression test shows all 4 cylinders about the same in the 55-60 range.

craigss · Mar 20, 2013

actual compression should be from 120-130 . I would first check all valve rocker arm adjustments and timing. but is possible that all rings are that worn. do a dry comp test then perform a wet test, if wet test improves the comp then you have bad rings or sleeves, if no improvements on any of the four then i would check timing and valve rack

acceptable compression range for a 600

dmiller

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