[DML] Re: Auto Trans (WAS: stage II)
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[DML] Re: Auto Trans (WAS: stage II)

The "add-on" cooler PJ Grady sells is just some aluminum fins to
increase the surface area on the outside of the oil-to-water cooler
for some increased air transfer. Not much but it IS something. My
point was that if you push more power through the automatic
transmission (either by turbos or a Stage II) then you should upgrade
the cooling on the automatic transmission to reject the additional
heat that WILL be generated (mostly by the torque convertor). Harold
is probably correct that it would be better to add the heat exchanger
as close to the transmission as practical, my concern is only that you
may not get enough air in the back. It may take some fancy ductwork to
get it right. Synthetic will take more heat, I do not know how it will
work with the friction discs in the transmission. Generally when you
switch from a mineral based lubricant to a synthetic you can expect
the unit to leak so it is not recommended.
David Teitelbaum
vin 10757 

--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy <malevy_nj@...> wrote:
> PJ Grady has a add-on for the heat exchanger, so help
> keep the auto trans cool..
> http://www.pjgrady.com/lgspec.asp?id=34
> It is too late for me though, my automatic is shot. 
> Still contemplating swapping it for a 5-speed.
> --- David Teitelbaum <jtrealty@...> wrote:
> > I don't know if anyone has had a Stage II long
> > enough to do any
> > long-term life tests. You have to figure everything
> > in life has
> > trade-offs and compromises. It would not surprise me
> > if a Stage II was
> > harder on the stock transmission. There are steps
> > you can take to
> > maximize the life of the transmission. Change the
> > fluid often, always
> > keep the level at the right amount, do all of the
> > external on-car
> > adjustments, add another transmission cooler, and
> > never drive on a
> > defective shift computer. Cooler is always better
> > for automatic
> > transmissions. With the added power you will be
> > pushing through the
> > torque convertor (and the added heat) I think an
> > additional oil cooler
> > would be a big benefit. I would try to do it up
> > front by the radiator
> > and maybe even disconnect the one on the water pipe
> > if longevity of
> > the transmission is what you are after.
> > David Teitelbaum
> > vin 10757
> >
> Luggage? GPS? Comic books? 
> Check out fitting gifts for grads at Yahoo! Search
> http://search.yahoo.com/search?fr=oni_on_mail&p=graduation+gifts&cs=bz

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