1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Big brake kit

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Old 03-22-12, 03:45 PM
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Originally Posted by 80's old school
Thanks for the info. Is that ISC front spoiler still available? I like that!
http://www.iscracing.net/rx7_fiberglass.html

$200 at the bottom of the page. Shipping will kill you though. Since I do business in FL I pick one up when there.
Old 03-22-12, 10:53 PM
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Can you post a couple pics of the ducting and how it's run, as seen from under the car? Thanks!!
Old 03-23-12, 08:00 AM
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Originally Posted by 82FanTC
Do you have any cooling problems with the oil cooler and inter cooler blocking the entire radiator? I am in the process of building a TII and had considered doing it this way but was concerned engine temps might be affected.
No, I have a water temp guage coming off the block and water is between 180 and 200 with 360 whp on the track in the summer. This is with a stock FB radiator I used to have a FC with a FMIC that would overheat in the GA summers in stop and go driving. The FMIC blocked the oil cooler on the FC which I think was part of the problem.

My unscientific opinion is that you will get better flow this way than over the oil cooler as air is forced through the oil cooler and the intercooler on its way through the radiator. In fron of the oil cooler, air will follow the path of least resistance and bypass the oilcooler and intercooler causing heat to rise.

Originally Posted by 82transam
^Assuming the radiator is in good shape you shouldn't have a problem at all. My oil cooler and i/c block my rad and it's fine, even on hot days I rarely get near 200* on coolant...
What he said.
Old 03-23-12, 09:01 AM
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Originally Posted by Jhereg
Can you post a couple pics of the ducting and how it's run, as seen from under the car? Thanks!!
Are you are refering to my car?
Old 03-23-12, 12:20 PM
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Originally Posted by mikeric
No, I have a water temp guage coming off the block and water is between 180 and 200 with 360 whp on the track in the summer. This is with a stock FB radiator I used to have a FC with a FMIC that would overheat in the GA summers in stop and go driving. The FMIC blocked the oil cooler on the FC which I think was part of the problem.
i've had the same experience. blocking the oil cooler = 250F+ oil temps = high coolant temps.

i'm not sure why putting the IC in front of the oil cooler is so bad, but putting it in front of the radiator doesn't matter much, but it seems to be the case.
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