13b To Gm Auto Trans Adapter ?
Member
Joined: Jan 2005
Posts: 37
From: New York
Originally Posted by rfreeman27' date='Jan 3 2005, 10:13 PM
remember its not the horsepower that kills the tranny its the torque.... you can probably get away with more power on a rotary attached to an auto because of this... and take advantage of the weight differences between the 400 and 350... plus the 350 shifts faster
Senior Member
Joined: Jul 2002
Posts: 131
From: CF
would want a C4 tranny
its small and has a removable bellhousing
so you just need a adapter plate and you can use your stock bellhousing
and I know you guys are going to say they can't take the Power
but thats not true anymore
you will have to have a custom made torque converter made
using a GM or Ford tranny in our cars especially the 13B
to make up for the lack of torque they produce
http://store.summitracing.com/default.asp?...Ntt=pma-pa26107
This one can handle 1000 horsepower
its small and has a removable bellhousing
so you just need a adapter plate and you can use your stock bellhousing
and I know you guys are going to say they can't take the Power
but thats not true anymore
you will have to have a custom made torque converter made
using a GM or Ford tranny in our cars especially the 13B
to make up for the lack of torque they produce
http://store.summitracing.com/default.asp?...Ntt=pma-pa26107
This one can handle 1000 horsepower
Fabricator
Joined: Jan 2004
Posts: 1,322
From: Central Ohio (Hebron) Zephyrhills Fla.
Originally Posted by heretic' date='Jan 3 2005, 04:45 PM
The TH700-R4's First gear is around 3:1. Second is around 1.7:1, Third is 1:1, Fourth is about .7:1.
That's awfully wide. It's a lot wider than the transmissions Mazda used on rotaries, which incidentally are almost exactly the same ratios as the TH350/400.
I placed a rear side housing up to a Chevy V8 pattern transmission, and I didn't see where even one bolt was anywhere near close, no matter how far I rotated it back and forth.
When you say you used a Chevy S-10 bellhousing, I wonder if you got a transmission from a 2.8 liter V6, which has a different (smaller) bolt pattern. I'll dig up a trans with that bolt pattern and see if that does the trick.
That's awfully wide. It's a lot wider than the transmissions Mazda used on rotaries, which incidentally are almost exactly the same ratios as the TH350/400.
I placed a rear side housing up to a Chevy V8 pattern transmission, and I didn't see where even one bolt was anywhere near close, no matter how far I rotated it back and forth.
When you say you used a Chevy S-10 bellhousing, I wonder if you got a transmission from a 2.8 liter V6, which has a different (smaller) bolt pattern. I'll dig up a trans with that bolt pattern and see if that does the trick.
The V-6 bell housing is correct.
Lynn E. Hanover
Senior Member
Joined: Dec 2002
Posts: 4,107
From: fredneck MD
Originally Posted by 20bPlease' date='Jan 5 2005, 06:13 PM
remember its not the horsepower that kills the tranny its the torque.... you can probably get away with more power on a rotary attached to an auto because of this... and take advantage of the weight differences between the 400 and 350... plus the 350 shifts faster
Agreed, I dont know a torque figure so that's why i didnt state it. His car is also 2100lbs so there is a lot less weight to move...
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