oil cooler in line preturbo?
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Oil feed lines for turbo tend to be -4AN or possibly -6AN. Oil lines for the oil cooler needs to be -10AN or it is very possible that you have oil pressure issues. Hustler has a thread that goes into what happened when he ran -8AN and had low oil pressure, and then switching to -10AN lines fixed it.
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cooling the oil going into the turbo is not going to be as effective as cooling the oil coming OUT of the turbo. you want maximum cooling, you cool the hottest oil and you'll get the best overall average drop in oil temps.
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The real question is what oil cooler you went with. You can check my build thread on how to use an rx-7 oil cooler, and then Hustler and Curly also posted pictures of how they have theirs mounted in my thread.
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