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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 06-12-2006, 10:47 PM   #11
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I understand.

My problem should be temporary though. It isn't like my */C or engine being fried. With the actuator bypassed I get boost. I didn't go drag against someone or top it out with it disconnected, but did enough to tell that there was boost.

Not downtalking you or anything, but I've chatted with a few other people, and decided to install the aux. cooler in series after the radiator-cooler. I suppose one could reason that oil is being cooled twice here. I see how oil could be heated if the aux cooler was before the radiator-cooler, but this doesn't apply here.
'89 Buick Reatta. Formerly propelled by a supercharged LN3, soon to have Series II L67/ 6 speed manual http://<a href="</a>

'93 LeSabre Limited...$450 fixer upper my friend bought and is having me fix up though currently my driver for the time being
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Old 06-12-2006, 11:06 PM   #12
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Your LN3 has alot of miles on it.
The passages in the trans core of the radiator are VERY small.
We currently have a car that is killing a REBUILT trans because the rebuilder failed to bypass it.

I'm a firm believer (from experience) that the trans must be protected, particularly from a boost setup that produces more heat, and even more particularly in a high-mileage trans or a rebuild after the first trans failure, and even MORE so when you're putting an inferior trans under increased stress due to supercharging, as in your case.

Test me. Cut a junker radiator apart, and cut the trans 'core' which is really only about 6" long in half and look at how small the passages are for fluid to flow through. It'll scare the **** out of you, and you'll go take care of it really quickly.

The same applies to cooling the oil. It was done on L67'* by the factory for a reason.
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