external oil cooler?
Im also wondering how much are these hardened 4l60 rebuild kits and where can i find a good deal on one of those when the time comes.
771-12318 Coil Size: 1-1/2''h x 10-1/2''w x 21''l
10'', 4 Blade, 1250cfm Fan
Its the third one down.
http://www.jegs.com/p/Perma-Cool/744433/10002/-1/10535
They are really easy to install with some braided line and AN fittings. I wired mine into the ignition, everytime the power Accessory is on the fan runs to keep the tranny cool.
I have a Vig 3800 and no tans temp problems here.
A B&M deep trans pan will help with cooling as you will have more fluid to help keep temps down. Here's that link.
http://www.jegs.com/p/B%26M/748022/10002/-1/10539
This pan is the third from the bottom under GM Transmission pans.
But You may like to take a look at the "Derale" deeper Pan for the
4L60E. Comes w/cooling tubes and a drain plug. Picks up a couple quarts which isn't a bad thing & aids the cooling.
Also about the cooler:
A Fin & Plate type Cooler.
In Front Of Condensor & in unison with Factory Radiator cooling.
AN fittings and no more than 8"tall and you're good between 11"-15" wide.
Racing much? Then look for the better cooling provided by the greater width.
DD and just want insurance for your trans? Then the smaller width is fine.
Don't forget you want air to get to it, around it, and flow over it for your radiator.
Mount Cooler's base at base of radiator No problem. if the rad height is good enough for GM, please don't sweat it.
Here 'ya go...

http://www.bulkpart.com/
Look under Transmission Coolers /Pans
(DERALE is there too)
Imperial Transmission Oil Cooler:
Part No.243007
Maxi-Kool(R) XL; Heavy Duty; 3/4" x 7-1/4" x 11"
# OC-1677
Hayden Transaver Plus, medium duty & standard installation kit
Gross vehicle weight to 20,000 lbs.
Core 5 1/2 x 11 x 3/4, Overall size 7 1/2 x 11 x 3/4
Or try one of the Hi Perf Parts Auctions or Suppliers for:
B&M 70266 SuperCooler Transmission / Oil / Fluid Cooler 11"x8"x1.5" & 20500 BTU
Last edited by RapidRick; Jul 13, 2008 at 02:37 PM.
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I have this link
See if it answers some of your questions oh yeah it has pics
http://www.bfranker.badz28.com/94Z/trannycooler.htm
I need a quick reply as I don't know if I should by it or not...
(a side note: anyone have a dipstick for the GTO oil pan?!)
Thanks
i went by the gvw rating of the cooler. I bought jeg's 2nd best:
http://www.jegs.com/i/B%26amp%3BM/130/70266/10002/-1
Whats another 20-30 bucks when it can dramatically reduce the temps on your transmission. It's a small price for extra security. Don't skimp on this part.






