Re: [AMC-list] calponycar adapter to replace the T-96 with T-5...

[adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)]

" From: tom jennings <tomj@xxxxxxx>
" 
" []
" 
" But in fact, the shaft length is sort of an issue. There's apparently three
" shaft lengths, two of them are "common" (I'm going by what I read, so...).
" 
" 7.18 (sometimes, 7.125), the short input shaft, 1993 and earlier, and a
" 7.41" shaft, 1994-up. Most adapters call for the shorter shaft. (I think the
" 7.41 shaft must be uncommon.)

as i read it, the 3 shafts are:
7.18	'93-down v8s
7.41	4-cyls
7.85	'94-up v6, v8

it's also possible that even at ford,  the 4-cyls had 0.590" pilots, 1
1/8" splines, and 4.646" retainers - all common gm dimensions.  the
sr4 had these and 4-cyl t5s were to replace them.

i always reckoned that you'd have to use the '94-up setup for this
sort of adapter, and that would still leave only ~2/3" for plate
thickness.  that isn't actually having parts in my hands to measure
though.

btw, i noticed that most of the ttc-made t5s still have the old warner
1352-series p/n, and in addition to the 3.35-geared v8's 0.68 5th and
v6's 0.72, 1352-000-254 has an 0.83 5th.  i personally think something
around 0.78 would be perfectly spaced, but better to go short than
long unless you have hp to burn.  with this tranny p/n, it should be
easy to get replacement 5th gear parts through the usual rebuilder
supply chain.  perhaps naively, i'd expect the '94-up input to fit any
3.35-geared t5.  [there are 2 gearsets, 265 and 300-up ft-lbs, with
different 2nd and 3rd ratios]

" With the 7.0" T-96 shaft, the adapter wants to be very very thin. This
" presents a problem for the T5-to-adapter bolts. 

i wonder if there's such a thing as a 1/2-20 'nut-sert'...

big problem for the t5 retainer bolts too - it has to be thick enough
to clear them.  if you use panhead bolts and cut divots clear through
the adapter to clear their heads, you're down to what for minimum?
1/4"?

i don't think the stock bell is more than ~1/4" thk around the t96
bolts.  it does have stiffening ribs.

" But then I realized, with
" that little space to fill I should just spend the money on boring out the
" T-96 bell housing to 4.91", the size of the T5 bearing retainer, and lop off
" .18" or whatever off the T5 input shaft, and drop it in! I have to get
" (should not be hard) the T5 mounting hole pattern and see how much grief
" that generates. The T5 bolt hole pattern is much wider than the T96. It iwll
" be hard to provide meat to bolt or tap down the sloped sides of the aluminum
" bell casting, but then I at least hve a straightforward problem to puzzle
" out.
" 
" The bell is an aluminum casting; I don't know about welding to that. Sure as
" hell not something *I* could do, I'd of course pay someone to weld bosses on
" that I could finish the drilling and tapping of.

how about a plate for the flywheel to move the clutch closer to the
tranny, if there's clearance for it?
________________________________________________________________________
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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