Originally Posted by glc

It's 95f, not 80f.

Originally Posted by coobies5

i have 260k on my 4r70w. i didn't get the truck til it had 128k miles on it already, pretty sure it wasn't touched though. at 200k miles i dropped the pan and changed the fluid in it and filter. very very little shavings on the magnet and very little clutch material as well.

i have a larger trans cooler i will be installing, but not until the trans gives up and i do a rebuild on it and flush the lines.

Originally Posted by Mark Kovalsky

The work around would be a custom burned chip. The quickest way to warm the transmission is to drive it. It takes forever to warm the trans if the truck isn't moving. It also takes a lot of fuel to warm the trans without driving the truck.