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- - External trans cooler (https://67-72chevytrucks.com/vboard/showthread.php?t=768410)

c10454

07-28-2018 09:55 PM

External trans cooler

Question for the guys that have a trans cooler in front of radiator, how did you route/run the lines thru the core support? My 76 does not have any existing holes that would work.

100%Chevy

07-28-2018 10:21 PM

Re: External trans cooler

If you don't have a/c,there may be some holes already there in the boxed area next to the radiator on the pass side.
That's where I ran mine on my 82,C-30.
Or,possibly in the frame rail underneath the front of the radiator support,then up to the cooler.
Mike.:chevy:

SCOTI

07-30-2018 10:19 AM

Re: External trans cooler

Quote:

Originally Posted by 100%Chevy (Post 8310982)

If you don't have a/c,there may be some holes already there in the boxed area next to the radiator on the pass side.
That's where I ran mine on my 82,C-30.
Or,possibly in the frame rail underneath the front of the radiator support,then up to the cooler.
Mike.:chevy:

This is how mine is done. My dually had a factory oil cooler plumbed this way so when I rebuilt the motor, I swapped in a new unit & also added another/duplicate set-up for the transmission.

DieselSJ

07-30-2018 11:36 AM

Re: External trans cooler

Here is how I did my '87.

http://67-72chevytrucks.com/vboard/s...d.php?t=733459

Through the external cooler first, then through the radiator. Hot always fed into bottom with return at top.

1957 Chief

07-30-2018 02:49 PM

Re: External trans cooler

Like SCOTI said, I ran mine under the core support and up to the cooler.

Bubba

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