Re: Early AMC 258 six adapter con't

[farna@xxxxxxx]

There are problems with the Supra (and possibly Toyota truck) transmission swap. I've only looked at one Supra, and I forget the year, but it uses an electronic gadget instead of a cable for the throttle valve. It has to be connected to the throttl position sensor, but I don't know if it goes through the computer or not. The little gizmo on the trans (inserts where the cable would go, doesn't appear to be a different trans case) COULD work independently by reading the resistance of the TPS, but it more likely interfaces with the computer. As I mentioned, there doesn't appear to be a difference in the case itself, this gizmo just inserts in the same hole the cable would. So you MIGHT be able to remove it and use the Jeep TV cable. I don't know anyone who's actually used a Supra tranny. There's little chance a different year Supra would use a cable, there's no room under the tranny hump to run a cable. I'm not sure if Toyota trucks that used the AW4 (Four Runner, and one of th!
 e SUVs I know) use a cable or the electronic gizmo. A friend had a SUV, and I looked good enough to be positive it's the same as the Jeep AW-4 (Toyota is an A-340?), and I THINK it uses a cable, but not positive. In any event, you need the Jeep AW-4 (doesn't matter if 2 or 4 WD) for the bell housing. 

On November 20, 2005 Brien Tourville wrote:

> From: "Clarence Milstead" <cmilstead@xxxxxxxxxxxxxxxxx>
> To: <mail@xxxxxxxxxxxx>
> Subject: 1971 Gremlin Turbo
> Date: Sun, 20 Nov 2005 12:12:45 -0600
> 
> Thanks to Brien and Andrew for trying to help me with my trans
> adapter
> problem. My engine is the original  1971 258 cu. in. six that came in
> the car. It was bored .030 over for the Keith Black pistons, so now
> it's a 262 cu. in. engine.
> 
> - -
> 
> 
> Sure thing !
> 
> Since you've found the adapter kit for the later 258, you've
> found all the small bits needed once you have the adapter ring >
> yes ?
> 
> A decent Automotive machine shop can develop a pattern off the
> old bellhousing > then compare with the Bellhousing of choice>
> sharpen the pencil &
> CNC an adapter ring.
> 
> Maybe AA or Novacs' adapter ring is the right shape > get a blank ?
> 
> I'd go with the JEEP cherokee 2wd AW4 bellhousing & a Toyota
> Supra Trans > use the '88 stand alone computer to run it.
> 
> The JEEP AW4 trans is made by AISIN as is the Toyota >
> really nice transmission.  The Supra version is 2wd.
> 
> 
> You're really close but you're not done with the learning curve
> on swaps > check http://www.naxja.org/forum/newfrontpage.php
> and their for sale list of parts > for an '88 Trans / TCM /
> Bellhousing / Trans etc.  > parts are usually cheap there.
> 
> An update Supra 4sp Automatic behind a Turbo 258 is
> something worth smiling about ;)
> 
> 
>              Brien.
>          NEW YORK
>    eagle registry #501
> eagle kammback registry


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