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Chevy Express Transmission

7 messages,  Last post on Dec 25, 2008 at 7:02 PM

You are in the Chevy Express & GMC Savana Forum.

What is this discussion about? Chevrolet Express, Chevrolet, Transmission, Van

Messages Page 2 of 2

#4 of 7 by 1320jon

Nov 11, 2008 (9:04 am)

Derale makes some pretty cool pans. They put tubes in the bottom, with a fin inthe tube to "hopefully" get air flow and help cooling. They ussually sell a standard pan and a deep pan. The standard pan I think is alittle deeper then oem due to the addition of the tubes. Might be worth investigating.

#5 of 7 by newsie23

Nov 24, 2008 (8:21 am)

Use the 'new' Dextron vi fluid - it is backward compatible, and will soon be the 'only' Dextron. Consider a friction modifier. I use Tufoil. I believe the main reason they are not 'recommended' is they would fail the emission, warmup test. When I used it the first time in a high mileage vehicle, I had to block the radiator to get enough heat from the heater, at cold temperatures.

#6 of 7 Re: [1320jon] by tireman9

Dec 25, 2008 (7:02 pm)

Replying to: 1320jon (Nov 11, 2008 9:04 am)
The deep pan will not work as it only leaves about 1/4" clearance to the exhaust pipe that runs under the rear of the pan. Derale only makes a deep 4" pan for the 4L80L.

Messages Page 2 of 2

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