Date: Mon, 23 May 2011 13:13:21 -0700
Reply-To: Rocket J Squirrel <camping.elliott@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Rocket J Squirrel <camping.elliott@GMAIL.COM>
Subject: Re: Auto Trans Modified Governor Test Report [addendum]
In-Reply-To: <935F020E-4940-4971-BF44-758249ABDEF5@gmail.com>
Content-Type: text/plain; charset="UTF-8"
You happen to recall the fan-blown cooler type, perchance?
On Mon, 2011-05-23 at 11:44 -0700, BenT Syncro wrote:
> My Turbo Subie powered 84 GL with AT governor mods was generating so
> much extra heat that it destroyed the seal between the final drive and
> trans section before I acquired the van. It now sports an external
> cooler with a fan. Others have argued that the fan is not needed.
> Fellows like TerryK just sell scoops supposedly adequate to the task.
> I am happy to have the extra cooling especially whilst idling in
> traffic.
>
> My cooler sits aft of the area below the sliding door.
>
>
> BenT
>
> sent from my electronic leash
>
> On May 23, 2011, at 10:43 AM, Rocket J Squirrel <camping.elliott@GMAIL.COM> wrote:
>
> > Regarding the modified governor that I have installed into my auto trans
> > Westy, I've received a couple emails from listees wanting to know more
> > ($, etc.) and I'm referring them to German Transaxle for that.
> >
> > Robert Mac Dowell forwarded a pretty fuzzy jpg of a page detailing the
> > "Kennedy" modification, which is the same as what GTA did to the
> > governor. There is an advisory on the page:
> >
> > "The disadvantage of making this modification on water cooled
> > Vans is that the higher RPM causes higher oil operating pressure
> > that can fail the trans cooler. When this happens the trans
> > becomes contaminated with water and the radiator is contaminated
> > with trans fluid. I ruined three VW coolers before I replaced
> > the cooler with an aluminum block and hoses to a common
> > aftermarket air-cooled transmission cooler."
> >
> > He then moves on to describe his adapter/bypass block and connections to
> > the external cooler. It looks similar to the Gowesty setup.
> >
> > Another note bothers the heck out me:
> >
> > "For light duty, highway use, [this] is adequate. When using
> > this, avoid very heavy slow traffic or long slow mountain roads
> > where torque converter slippage produces a lot of heat."
> >
> > Drat. It is exactly for that reason -- long slow mountain roads -- that
> > I pasted on this Gowesty ATF cooler. Well, at the least the stock ATF
> > cooler has been removed so it's not at risk of damage due to the
> > described higher oil pressure caused by the governor modification. And
> > the hoses presently connected to the GW cooler could probably be
> > connected to a different type of cooler more suited to these long slow
> > mountain roads that I find myself climbing. Just need to find such a
> > thing.
> > --
> > Rocky J Squirrel
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