The F7 and F8 trucks get a 336.7 cid version of the flathead. The F series trucks get the updated flathead (see the 1949 changes).
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Sure sounds like "front of right side cylinder bank", to me.
1949
CID Bore " Stroke " Comp. HP@RPM Torque@RPM Model
336.7 3.50 4.38 152@ 265 lb-ft@
336.7 3.50 4.38 145@ 225 lb-ft@
255.4 3.1875 4.00 6.8:1 112@3800 CM
239.4 3.1875 3.750 6.8:1 100@3600 98BA
336.7 cid motor in the F7 and the F8 trucks is also available in the Lincoln line. The Lincoln version has increased compression to make more power than the truck motor. Mercury's V8 gets stroked for increased horsepower. There are some major mechanical changes to the flathead this year. The bellhousing is no longer cast as part of the block. The oil pump changes to a shorter, straight cut gear pump for higher oil pressure. The water now runs directly to the back of the block from a larger radiator. There are new valve guides, improved intake and exhaust systems, and locked in connecting rod bearings replacing the older floating bearings. The distributor is now a modern design, relocated above the front of the right side cylinder bank amd set up to be shaft and gear driven. The distributor drive on the cam changes from the old slot to a gear drive. The fan pitch, cam, and exhaust are modified to make less noise. (The early-'49 cam is milder than the late-'49 to '51 cam.) The coolant holes in the decks and heads are repositioned for better coolant flow to the rear of the block. The water outlets move to the front of the heads. There are better main caps and stronger main bearing webs. Over-all, there are 21 minor revisions to improve idling, valve and cam wear, and cylinder head stress.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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