offset farmalls

Anonymous-0 · May 12, 2009

Hugh or others--What is good compression readings for a super-A, 100, 130, 140, etc??
Thanks--Glynn

old · May 12, 2009

Any thing over around 100psi is good and up around 150 psi is very good. Much lower then 100psi and they will not run well or have a lot of power but still may run

Hugh MacKay · May 13, 2009

Glynn: It depends on the piston, some of the offsets were only 125 when new, even into the numbered series and C-123 engine. The higher ones were 150.

I wouldn't place the cutoff as high as Old, they will all work well over 80. I have a 130 here, I plowed snow with it all winter, never refused to start even on the coldest of days. Lately I've been pulling a 20 blade disk with new 18" blades. I have no trouble in 2nd gear with that disk cutting axle deep, and 130 compression is only at 55.

offset farmalls

Anonymous-0

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old

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Hugh MacKay

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