Re: FW: Jeep 4.0 in an American?

[greg55_99@xxxxxxxxx]

On April 19, 2005 andrew hay wrote:

> if you want a stick and stay with the stock bell, you don't need to
> hunt up a 2wd ax15.  toyota also used aisin-warner trannies, and the
> r154 used in early-mid '90s turbo supras is basically a close-ratio
> ax15.  they're supposedly also cheap and in good supply as they don't
> break when the rest of the car does.

That's a fact Jack! Depending on your application, the R154 Supra Turbo tranny has better gear ratio's.

Trans First Second Third Fourth Fifth

AX15 - 3.83 2.33 1.44 1.00 0.79
R154 - 3.25 1.95 1.30 1.00 0.75

> you'd need a toyota-spline clutch disk.  a tundra's - almost 10" -
> might work, but i bet centerforce has one too, for the folks who swap
> v8s into landcruisers.

Actually, Advance Adapters has a 10.5" disk with the Toyota splined center.  It's an off the shelf item.
 
> the r154 has a 0.590" pilot, same as the peugeot and early ax15, so
> you're alright there, and its input shaft is only a touch shorter.

CORRECTION!  Toyota trannies have a much smaller pilot than the Jeep trannies.  Advance Adapters also have the correct bushing though.

http://www.jeeps-offroad.com/attachment.php?attachmentid=2534

 
> and of course a toyota output yoke.  wouldn't surprise me if you can
> find ones that take std. spicer u-joints, simplifying the driveshaft
> situation...  unless it puts the shifter too far back.  then you might
> want to hunt a junk 2wd ax15, for the mainshaft and tail housing, and
> have a tranny shop put them into the r154.

Actually, finding 2WD AX15's is not all that hard.  Look under any 93 and later Dodge Dakota 3.9L V6 pickup and you'll find them.  

Greg

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