Transmission temp?

[jfann10]

Whats a good temperature for my transmission temp to run at? Anything under 140? Thanks.

[Six0~Stroker]

140-160*


when it gets close to 180* is when you gotta start really watching it!

[351fifty]

yeah, x2, anything above 230 its cooking and i would shut down

[Fordpride]

With a stock cooler it's going to run about 80-100* hotter than ambient temp.

[backwoodsboy]

80-100 above ambient temps is normal.
220 is where lubricity of fluid starts breaking down exponentially and varnish forms.

[Fordpride]

I live in Louisiana where it's 100+ in the summer so when I start my truck in the afternoon the fluid temp is already 90* is their a cooler on the market that will stop the fluid temp from going 40-50* above ambient

[backwoodsboy]

40-50* above ambient (even at 100* ambient temp) is still well within normal opperating range. There's really no reason to worry until it climbs into the 200* range.

[Fordpride]

When I had just the stock cooler my temps would hit 170-180 with just the truck. With the 2nd cooler and towing 16k I'm now hit 180-200*

[351fifty]

try the cooler from a v10 or 6.0, trucool has a pretty good product out, and there is what ryan used and thats the transcooler off a military hummer

[Fordpride]

This is the one I'm thinking about if I stay with a auto I might do a ZF5 swap
Tru-Cool MAX transmission cooler *without external cold weather thermal bypass | Tru Cool Heavy Duty | Transmission Parts by Bulkpart