marc wiese wrote:

Someone asked how much the stock al bellhousing weighs. Well, I just
weighed my FD (1994) auto tranny bellhousing and it is 12 lbs, 2 oz.
I should add that the 93+ auto tranny flexplate is shaped differently than
the ones Tracy uses for his redrive (the earlier/later model 13B to 91
version), although their overall depth and diameter is identical. The 93+
13Brew auto tranny flexplate is identical to the 20B flexplate; both have
thicker starting ring gears (1/2" thick) [maybe to allow the auto tranny
starter to engage with more vigor?); the 4 torque converter bolt holes are
farther out from the center of the crank, and there is a difference in the
depth at the torque converter bolt holes.
It does not look difficult to remount the later model starter ring gear on
the earlier flexplate.

 
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