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the set up with the standard roof intake and the side intakes is going to be great at circulating air in front of the intercooler and not pushing the air through it. The path will be: in the side scoops and out the roof scoop. The air will take the path of least resistance and this will be out the roof, not through the intercooler.
 

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Well, since Lotus now sells an Elise which is supercharged and they don't even bother to put an intercooler on, I think that answers your question. The bottom line from all this testing is that there simply is not enough airflow through the "mail chute" at the top of the clam (or the back of the roof that connects to it) to allow the intercooler to do it's job and prevent heatsoak. So roof on/ roof off ultimately doesn't matter (regardless of what the salesperson at the dealership tells you). You're just gonna lose a bit of power once everything gets hot.

This is exactly why I bought the side intake kit and the larger side intake scoops.

ken
 
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