Thanks Tristan/Jim. From the sounds of it, I wasn't running much hotter the other day than Tristan has been running normally. And even then, it only took a lap or so with the heater blasting to get the temp back into the normal range. Not to mention I was totally stock in the cooling dept., including antifreeze (I know, I know, but I just hadn't gotten around flushing it out yet).

At this point anything that falls into the "drop-in" category becomes instantly attractive, so I'm thinking I'll probably give the Koyo a try. I would hope that, in conjunction with an oil cooler, this should be sufficient to keep the thing from blowing its top.

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Earl
ITA 240SX in process