I know this has been discussed ad nauseum, but I haven't really found a good answer yet.
I'm in need of replacing my under-radiator oil cooler. The stock cooler has cracked at the bung, been rewelded, and cracked again. I think it is now beyond repair. I have tried a 2nd Gen oil cooler, which worked but dropped my oil pressure beyond my comfort level at high temps.
I'd like to avoid purchasing another Mazda cooler. Does anyone have a positive experience with any of the aftermarket ones?
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We have a couple of EP Racers that have added aftermarket coolers in series with an OE cooler. But no one in the KC area runs only an aftermarket cooler on their cars. Basically what we have found is that the OE coolers work well and the aftermarket equiv. is very pricy - around $500. My advice would be to get another 1st gen OE cooler to replace the one that failed. When I needed another cooler I got a used one from:
Shop name: Rotary Doctor
Location: Neosho, MO
Owner: Kyle Seaman
Phone: (417) 451-9661
The price was right and the cooler works great. I actually use this cooler in series with another OE cooler in the summer months and it works really well. My oil pressure runs right up to factory spec.
Scott Peterson
KC Region
83 RX7
STU #17
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