Oil Cooler Replacement

B

backformore

New member
I've got a 2nd gen with a leaking oil cooler. I could replace with a used cooler off of a junkyard car, but I am still getting an unknown quantity in doing so (it may be partially clogged, dirty, etc.). I'd love to put a new mazda cooler on, but even MazdaComp prices are obscene.

The question is, has any one used any aftermarket, non-Mazda coolers with any success. If so, which ones and how.

Thanks for the input.

Rory
 
Stephen Soo, who was the ITS champ in SF region two years ago, was running a Fluidyne oil to water heat exchanger, after his stock oil cooler. Stock oil coolers shouldn't be that expensive in pick-n-pull type places..

PaulC

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Rory,

Where is it leaking? I know a good trick if it is the connection points where the hoses connect.

Drop me a line.



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Balz
#67 IT-7
www.balz.myip.org
"I live my life one Apex (seal) at a time"
 
Unfortunately, there appears to be a very small (not visible) crack where the bypass screws in. When running, a slow but steady drip forms there.
 
I've had good luck using a small stainless bolt, washer and nut to block the bypass hole internally. Then clean it all up, get a small disc of 1/8" thick aluminum to cover the bypass threads and weld it on. If you have everything clean and ready to weld, make your disc out of 1 inch wide extruded from home depot and grind to fit. Then carry it all to your local reputable welder in its ready to weld condition, should cost about $10 to have them weld it for you. The welded plate ends any leaks, and you now have a non bypass competition cooler. Just don't fire it up in mid winter with 50 weight and rev it to 8 grand.....
 
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