Kim,

My Subie uses a autotrans with an extra transmission cooler and fan.
Trans temps never gets past 210�F.

BenT

On Tue, 7 Dec 2004 01:45:14 -0500, Kim Brennan <kimbrennan@mac.com> wrote:
> Yes, Derek mentioned this at the Mid-Atlantic Bus fest this previous
> weekend, something I was previously unfamiliar with in regards to heat
> in the transmission. As we discussed the issue, I pointed out that my
> SVX conversion uses an adapter plate so that direct heat transfer from
> the engine actually needs to go through three transitions, as opposed
> to only two in something like my Tiico conversion.
> 
> In the Tiico, where there is a bell housing adapter that replaces the
> original bell housing, thus there is only the transition from the
> engine to the bell housing and then the bell housing to the main
> transmission housing. In my SVX conversion there is an adapter plate,
> so there is 1) engine to adapter plate, 2) adapter plate to bell
> housing, 3) bell housing to main transmission. Each transition impedes
> heat transmission somewhat (not permanently of course, but slowing the
> transfer none the less.)
> 
> Still, I don't intend to go anywhere near as fast as Eric (I briefly
> had mine up to about 90, but back down after a couple of miles, once I
> passed a few vehicles). Especially since I doubt the BFG AT T/A's will
> last long at sustained speeds over 100mph...
> 
> On Dec 6, 2004, at 9:37 PM, Dennis Haynes wrote:
> 
> > Somehow, I don't think fuel economy is a priority at that speed. I'd be
> > curious as to how long the trans can last at that speed in 4th gear and
> > how well the cooling system can handle some 300,000 btus/hour of heat
> > being generated by that much fuel being burned.
>