I don't think the BBC fits down inside the frame rails of the M. I can't remember ever seeing BBC in an M. Neighbor had a 396 powered F-20 for a chore tractor, EX-pulling tractor from the 1960's, had a great road gear but struggled to run his mix-mill, pto rpm too low. Seen a lot of SBC in M's. Was a really sharp pulling M around northern Illinois in the late 1960's, early 1970's. Had a FORD GAA V-8 engine. 1100 cid. But it was based off a 1650 cid V-12 airplane engine, 60 degree cylinder bank angle, with some work it fit between the frame rails. There was a GMC 637 cid V-8 engine based off the 478 cid V-6, 60 degree V between banks, use used in heavy medium duty and heavy-duty trucks after the 702 cid V-12 went out of production. The 637 was the LARGEST displacement V-8 engine General Motors ever made.
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Today's Featured Article - Tuning-Up Your Tractor: Oil, Oil Filter and Air Breather - by Curtis Von Fange. In the preceding articles we discussed some of the various aspects of doing a comprehensive tune up. Hopefully some light was shed on why we do or don't do certain things pertaining to inspections and order of events when doing a tune up. Perhaps some useful reasons were given for why parts fail and what to do about preventing part failure in the future. All these tips will help us think and reason out a problem in order to make our tune up last and, hopefully, keep us from spending extra mone
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