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Date:         Mon, 6 Dec 2004 23:02:47 -0800
Reply-To:     BenT Syncro <syncro@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         BenT Syncro <syncro@GMAIL.COM>
Subject:      Re: 130 mph in a vanagon, what MPG?
Comments: To: Kim Brennan <kimbrennan@mac.com>
In-Reply-To:  <8C9F6E05-481B-11D9-AF72-000A95D4810A@mac.com>
Content-Type: text/plain; charset=ISO-8859-1

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. >


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