[DeTomaso] Trans Cooler

[gow2 at rc-tech.net]

Thanks Mike, the pictures help. I already have the electric pump and
cooler which is mounted where the evaporator was.

G

>
> In a message dated 8/8/12 6 55 25, gow2 at rc-tech.net writes:
>
>
>> Soon to be looking at setting up in/out ports for trans cooler. Where
>> are
>> people tapping into the ZF for the trans cooler?
>>
>
>>>>I have to ask--will you ever be driving your car hard enough, long
> enough, to need such a thing?   It's an enormously complex thing to do
> properly,
> and very very expensive.
>
> In a Pantera, the pickup is at the bottom of the gearbox (where the drain
> plug normally is).   A short line runs over to the former location of the
> speedometer angle drive.   An oil pump (which incorporates a speedo drive)
> replaces the angle drive.   That pump then propels the oil to the cooler,
> and
> the outlet from the cooler re-enters the gearbox via the fill plug on the
> side
> of the case.
>
> From the GT40 forum, here are links to photos of the pump:
>
> http://www.gt40s.com/forum/attachment.php?attachmentid=49892&d=1291234860
> http://www.gt40s.com/forum/attachment.php?attachmentid=49893&d=1291234860
> http://www.gt40s.com/forum/attachment.php?attachmentid=49894&d=1291234860
> http://www.gt40s.com/forum/attachment.php?attachmentid=49895&d=1291234860
>
> Installed on a gearbox:
>
> http://www.gt40s.com/forum/attachment.php?attachmentid=49896&d=1291235443
> http://www.gt40s.com/forum/attachment.php?attachmentid=49897&d=1291235443
>
> These parts are available from Jay Cushman in Maine, who is the nation's
> leading supplier of original GT40 parts.   The pump costs $1275.
>
> I suppose you could run an external electric pump though, which would
> simplify matters greatly and reduce costs enormously.   Just take the oil
> out of
> the bottom and return it through the side filler.
>
> But again, to what end?   While one can seriously make the case for engine
> oil cooling for a car that will be driven extremely hard on the track or
> at
> open road races, even those cars normally don't see gearbox temperatures
> that would justify cooling the gearbox oil.   If you used a thermostatic
> trigger to turn your electric pump on when the oil reached a temperature
> that
> justified cooling it, the pump would probably never turn on.   And if you
> just
> ran it for the hell of it, you'd overcool the oil and it would never heat
> up
> properly, leading to stiff, unpleasant shifting.
>
> I say to skip the whole idea....
>
> Mike
>