X64v Posted May 24, 2008 Share Posted May 24, 2008 A while back I came up with the idea of using the built-in tranny cooler in my JTR radiator as an oil cooler for my turbo oil feed line. This would help keep the turbo a little cooler and reduce the necessary cool-down time as well as the chance of coking up the turbo. I was talking with a friend who thought tranny coolers weren't meant to take much oil pressure, but wasn't sure. My question is: Does anyone know if the built-in tranny cooler in the JTR radiator can withstand 70-80 psi oil pressure? Also, does anyone know the size of the fittings on that cooler? They're definitely inverted flare fittings, but I can't find the thread size online. Quote Link to comment Share on other sites More sharing options...
X64v Posted May 30, 2008 Author Share Posted May 30, 2008 Looks like I'll be the guinea pig on this one. I figure if the cooler does pop, I'll just change my coolant and plug the fittings on the cooler so nothing leaks out. For the record, the JTR automatic transmission cooler fittings are 1/2"-20 threads, which corresponds to a 5/16" inverted flare fitting. Quote Link to comment Share on other sites More sharing options...
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