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08-25-2018, 11:51 AM
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#1 |
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Registered User
Join Date: Dec 2004
Location: Central Wisconsin
Posts: 1,317
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th400 bolt in to slip in
I have a th400 with a bolt in style yoke I know there is a counterbored yoke that allows the use of a slip in style but $100. A machinist friend has a lathe and a 6 pack will get it done . Does any one have the dimensions for the counterbore or how deep? some say that I still need to add a o ring to the tailshaft? any input appreciated. TY
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08-26-2018, 07:17 PM
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#2 |
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Registered User
Join Date: Dec 2004
Location: Central Wisconsin
Posts: 1,317
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Re: th400 bolt in to slip in
No one???
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08-26-2018, 08:36 PM
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#3 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: th400 bolt in to slip in
there is different shaft styles for each yoke system . the yoke also can be reworked if you have the specs .
i know a guy who has a th400 that was bolt on yoke now slip on . but the problem is he has not got the correct tail shaft in the case and it weeps oil since the correct shaft would have a grove to hold a oring to seal the slip and splines from leaking fluid past it . if your trans has this then your prob good to go . if not then try it and see what you get .
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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08-26-2018, 08:40 PM
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#4 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,453
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Re: th400 bolt in to slip in
Years ago I ran a 400 with a bolt on yoke in my Malibu. Car came with a 400, so just unbolted the yoke, and slipped the original on. Now on a car this is prolly OK, since the slip doesn't slip as much like it would in a truck. Ran it like that for 60k....
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08-27-2018, 12:01 AM
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#5 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: th400 bolt in to slip in
Why not just use the correct driveshaft with the slip yoke in it?
__________________
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09-02-2018, 01:06 PM
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#6 |
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Registered User
Join Date: Dec 2004
Location: Central Wisconsin
Posts: 1,317
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Re: th400 bolt in to slip in
TY all
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