hi, i'm working on a 51 ford victoria coupe that i bought without a drive train. i have a 8ba that i'm planning to put in it and also have a r10 B.W. 3spd O.D that i want to use. the 8ba has a 11" clutch that is 10 splines. the trans has a main shaft that is also 10 spline but the shaft is smaller than the clutch. 1" shaft, 1 3/32 on the hole in the clutch. i don't want to use the 11" clutch so i'll be replacing it and the flywheel with either a 10 or 9.5". my question is will the small shaft work with the smaller clutch or is the shaft what needs to be replaced. i know B.W. supplied these transmissions for lots of different cars and being new to the flathead scene, i'm at a loss for what works with what so any and all input would be very helpful. thanks.
The first thing you want to check is the length of the input shaft vs the bellhousing/crank/ and pilot bushing. Size also on the pilot bushing/input size. There’s a fairly recent discussion here that might provide more input (pardon the pun). https://www.jalopyjournal.com/forum/threads/clutch-question.1298351/#post-14944835
You need to make sure you have the '50s p***enger car bell housing and not the old style and truck housing. You will need to change the clutch disc also to the '50s p***enger car disc. The disc you have is for the pre-war models of car and trucks to '52. Throw-out bearing and release linkage to match the bell housing may need to be changed, also. Shift linkage is proper for the overdrive ****** of the '50s. Rear motor mount ????. Your engine may have been used in a truck (to '52) or a floor shift ****** from '32 up. Perhaps a conversion from side shift to floor shift. Make sure the OD ****** is actually the one you need. /
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