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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
JB,

Fun stuff. What is the rest of your build? EFI? If CIS how are you getting fuel?

I would put in / out pressure differential gauge on it to find out if it is creating a restriction.

Until that is the case I would not replace it. Most aftermarket I/C's are not going to be as well ducted and I suspect as efficient. They can also add volume and a bit to lag. We have probably the best end tanks of any 930 IC.

An in/out temp gauge would be a good thing to try to.

I am guessing the stock IC is as good as the Koklen or a little better. intercooler



Porsche with Andial in 1992 had an upgrade (S2) where they removed the stock core and welded in a thicker bar and plate core. This was to qualify this mod for and IMSA class they wanted to run. Thus, there may be something to an upgrade.

Another good think about the C2T IC is the turbo to IC conection. It transitions cleanly and is formed on the inside so there it a minimal disruption of air flows at its two connections for less pressure gain.

I had one and can not tell you if it helps. One of the nice things about the stock tube&fin IC is cooling air can get through it easier and that is one of our challenges where we can not put it in the on coming air stream.

Just my two cents.
Old 02-16-2010, 06:45 AM
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