trans coolers

by pila Mon Aug 25, 2014 8:39 pm

The October issue of Hot Rod magazine has a good article on transmission coolers, like the types of coolers, how they should be mounted, what kind of trans temps to maintain, and what temps will trash a transmission. Good info article for people thinking about adding a trans cooler.
They strongly advise against using the plastic ties that come with some coolers, to attach them to the radiator core, by the way....
Also they recommend running the cooler AFTER the the radiator cooler, if both are used inline...

I haven't added a cooler to my project Elco yet, but I usually do add one to my projects.

That article may possibly be accessed online on their site (??)

BILL

by dynchel Mon Aug 25, 2014 8:51 pm

I have mine run after the factory cooler Razz

but...I do have it installed with the tie strips through the radiator. Wink

It must work as it gets hot enough to burn you.

by thatfnthing Mon Aug 25, 2014 9:23 pm

I have a monster Derale with a 10" pusher fan in front (visible in the photo below from when I was swapping the A/C condenser), mounted to the radiator brace and the header support. It's plumbed after the stock cooler, and the fan is temp controlled and only kicks on after a significant amount of driving. I wasn't taking any chances after spending 2k on the OD trans. Smile

by driveit Tue Aug 26, 2014 8:09 pm

I am just using the one in the radiator for now. Is is hard on a transmission when you manually shift down? automatic btw.

by pila Tue Aug 26, 2014 10:02 pm

I've been down-shifting for years, like when it's time to ease off for a light or stop-sign on a country road. Can't say it does any harm......

by bracketchev1221 Wed Aug 27, 2014 7:40 am

The only downshift you really need to be careful with is into first gear. If you are going too fast that one can hit hard. But otherwise, with the trans coolers, try to connect the supply to the bottom side of the cooler. That ensures that the cooler stays full of fluid. On the factory cooler the bottom side being the supply helps cooling a little due to the cooler becoming a counterflow heat exchanger. The engine coolant flows top to bottom, trans fluid flows bottom to top.

by jerry46765 Wed Aug 27, 2014 9:05 am

Hot Rod article from 1997, probably the same information:

http://www.hotrod.com/techarticles/engine/high_performance_oil_cooler_tech/

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