Re: was Re: SR-4/T-5 Yoke?
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Re: was Re: SR-4/T-5 Yoke?



Andrew, I mocked this up about 10 years ago. I could be mistaken on the two upper bolts being the same distance apart. I could have been thinking about drilling the two uppers in the bell? I do believe the mounting bolts worked, but can't swear to it. It's a 1963 American T-96 bell and a 1979 Spirit SR4. Wish I could get to the parts to check now! If AA has them backwards -- 6.32" between the upper holes -- then it might just work. Or I could have measured the distance between the bottom holes and not the top, assuming it was a rectangular pattern??? Like I said, 10 years ago...

I agree -- usually looking for a drop in swap. The only "improvement" that is drop-in would be to find a T-14 or T-96/OD, even better if a Twin Stick. None are performance transmissions, though at least the T-14 is fully synchronized. 

On July 21, 2005 andrew hay wrote:

> d'oh!  i should've remembered my own idea to adapt a '93-7 mustang 3.8
> t5 to the early bell!  this makes things a little easier by having a
> ~2/3" longer input shaft than other ford or amc [7.85" vs 7.18"], thus
> allowing thickness for an aluminum adapter plate.
> 
> if the t96/t14 and sr4/t4/t5 do share upper bolts that makes things
> easier, but according to advance adapters they're completely different.
> the old pattern is about 6.25" * 5.25"; the new is 7.92" between the
> upper holes, 6.32" between the lower, and 6.27" top-to-bottom.
> 
> i was going to procede by milling a thick plate down leaving a lip on
> one side that fits in the bellhousing retainer hole, then mill a divot
> concentrically on the other side that takes the tranny retainer.  then
> the plate can be slipped onto the bell and tranny and marked for holes,
> and the only difficulty is not twisting the tranny relative to the
> bell.
> 
> i think a stock t150 pilot bushing could be used, and a stock t150
> clutch disk.
> 
> the flywheel has two patterns; the 9 1/8" and the larger that takes
> both 10" and 10.5".  i can state from personal experience that a 10.5"
> b&b pressure plate won't fit the bell; the only 10" b&b i could find
> was the perfection hytest c1647 replacement for the early-'70s amc six
> hd, but clutch adjustment is an issue.  there's barely enough travel
> to fully disengage with zero freeplay, with the linkage in my american.
> 
> a diaphragm type pp like the perfection c1897 late-'70s hd six may be
> better on travel; anyone know?  and maybe a 10.5" diaphragm pp would
> be low enough profile to clear the bell.
> 
> none of this is a drop-in swap though, which is what i think the other
> poster was looking for.
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
> internet rambler                            is to see what all have seen
> 
> adh@xxxxxxxxxxxxxxxxx                       and think what none thought


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