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Old 06-26-2025, 04:47 PM   #11
BRETV
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Default Re: Transmission Adapters

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Originally Posted by west coast View Post
Rory the way I see how the Toyota got a gm trans. Ford should be able to also. Ford owned jaguar for several years, jaguar's did use gm transmission for several years. This is not different then what was just approved by nhra. Ford should be able to use any GM trans, have adapters made and have them approved or bellhousing for the 200.
Even if NHRA would approve that, I would still run my C4's.😁




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Old 06-26-2025, 08:53 PM   #12
west coast
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Default Re: Transmission Adapters

Bret I am right there with you none of my junk makes enough power to hurt a C4. Wouldn't give it up. I don't have enough money for anything that has enough power to hurt a C4
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Old 06-27-2025, 12:51 PM   #13
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Default Re: Transmission Adapters

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Originally Posted by Rory McNeil View Post
Since it appears that a Toyota is allowed to use a GM automatic transmission, because supposedly, at some point some BMWs had GM transmissions, I wonder now if Fords will be allowed to use an adapter for a Turbo 200, since in the early 50s, Lincolns were available with a GM Hydramatic . Or is such a thing only allowed on vehicles that don`t exist in the Classification Guide?
Rory, you bring up an interesting point. Since Ford used the Hydramatic in some of their cars, it could be considered a corporate transmission and therefor legal in any Ford vehicle. You could also say the hydramatic as a GM corporate transmission, it should now be legal in any GM car including the sedan deliveries it was previously banned from.
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Old 06-29-2025, 02:35 PM   #14
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Default Re: Transmission Adapters

I wish there was an accepted adapter to use a
904 behind a Big Block Mopar.

There are adapters that we use in our bracket cars
but not NHRA approved (I do not think any are for Mopars).

Boy would that save us some money.
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Old 06-29-2025, 09:51 PM   #15
Mark Yacavone
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Default Re: Transmission Adapters

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Originally Posted by GTX JOHN View Post
I wish there was an accepted adapter to use a
904 behind a Big Block Mopar.

There are adapters that we use in our bracket cars
but not NHRA approved (I do not think any are for Mopars).

Boy would that save us some money.
John, I think you'd have a good case for this, after seeing what's already out there.
You'd have to use a flex plate spacer, along with one that would bolt up on both ends.
You'll need a pilot adapter for the added length and the small to large pilot difference.

Maybe there's a few guys here who could tell you how to get this one added to the seemingly nonexistent approved adapter list. ;-)
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Last edited by Mark Yacavone; Yesterday at 01:15 PM.
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Old 06-29-2025, 10:08 PM   #16
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Default Re: Transmission Adapters

Hey YAC, open can, turn upside down?. Observe worms
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Old Yesterday, 10:02 PM   #17
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Default Re: Transmission Adapters

We already run a 904 with adapter and a custom
convertor on our bracket cars.
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