Reply to "Need input from IM owners"

dlearl476

Another question I have is his oil cooler tin in place? I know a lot of builders leave it off but I always suspected hot air blowing through my oil cooler directly on my 3/4 side carburetor was what was causing my idle issues. I could set it to 900rpm cold, and it jumped to 1300-1500 when it warmed up. Turn it back down and then it wouldn't idle cold.

With the thing shroud and oil cooler ducting installed, it idles at 900, hot or cold. There may have been other issues involved, but I'm convinced the ducting played a part.

Not so much of an issue with my Spyder, but on a Speedster I'd guess that missing those bits would just be filling the engine compartment with hot air.

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6/16/2011:36 AM

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