Bryan,
I agree with Randy about the baffle exits under the
cylinders. Yours may need to be adjusted.
I disagree that a large space is needed above the
cylinders in a plenum. I built mine very close - only a finger away - and
they work very well. Overheating has not been an issue since.
Notice there is no need to extend them over the
crankcase. You can solve your oil heating problem by air cooling your
cylinder heads better.
Be sure to seal all small leaks with silicone
too.
Mark Ravinski
360 1506
hrs.
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