C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Finned transmission pan ?

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Old Jul 25, 2005 | 03:43 AM
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Default Finned transmission pan ?

Has anyone installed a finned trans pan. I am planning on adding a trans temp gauge to both cars & I would think that sort of pan would help cooling a bit. I really dont think I need to go to the extent of installing trans coolers yet as they are just street driven.
Do they work or are like those throttle body air foils, good only for paper weights.
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Old Jul 29, 2005 | 12:46 AM
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No one!!
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Old Jul 29, 2005 | 01:08 AM
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It makes sense that a finned Al pan would conduct heat away from the A4 fluid better than a stocker.

If you have a good source that will just bolt up, please post it.
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Old Jul 29, 2005 | 01:18 AM
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Used one on my Goat when I towed a Boat - added a cooler too. The old Turbo 400 still conked out every 50k, but the pan sure did look nice - it was chrome too!
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Old Jul 29, 2005 | 01:21 AM
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yep, used a TCI 2QT. extra pan on the Pontiac and a B&M 3QT.extra pan on the vette and both are finned. i think the extra cooling comes from the extra capacity of trans fluid.
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Old Jul 29, 2005 | 01:55 AM
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An extra cooler will do tons more than a fined pan.
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Old Jul 29, 2005 | 12:45 PM
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I was looking into a finned pan to. I was thinking of getting one with a drain plug and using that for the trans temp gauge. I'd like to install one to.

http://www.eatmyshifts.com/pl_700r4.htm#Pans
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Old Jul 29, 2005 | 02:00 PM
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Originally Posted by Aardwolf
I was looking into a finned pan to. I was thinking of getting one with a drain plug and using that for the trans temp gauge. I'd like to install one to.

http://www.eatmyshifts.com/pl_700r4.htm#Pans

i talked with dana at probuilt transmissions--one of the forum recommended professional tranny gurus--a while ago and picked his brain. this was his opinion on some major points.

-- don't bother with a finned or deeper pan. instead put on a tranny cooler. that's where the real tranny relief is found in heat protection.

--doing a fluid change by dropping the pan is almost ineffective. do a full tranny flush instead. you change less than half of the fluid with a pan drop, and the old fluid, its contaminants and sediment can still irritate the transmission. (the forum tech tip on the full flush is easy, cheap and effective.)

--he said that tranny fluid can go as long as 100k miles without being changed since it isn't contaminated by combustion by-products such as motor oil is. (now this is him talking not me. although, he no doubt did not mean to run it that long with internal part debris circulating through the system.)


froggy.

Last edited by parafrog; Jul 29, 2005 at 02:04 PM.
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Old Jul 29, 2005 | 02:17 PM
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OK, Thanks for the replys. I might do both the cooler & pan. Cheap insurance.
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Old Jul 30, 2005 | 03:28 AM
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First I installed a 3 qt extra capacity deep finned aluminum Hughes pan on my 95. It did not lower the temperature at all. It also was too low so I went with a regular capacity finned pan with drain plug
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Old Jul 30, 2005 | 03:44 AM
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A drain plug is a darn good idea. It's so much easier not having a bunch of trans fluid running down your elbow.
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