rotarys have something of the sort. except they dont do it with timing adjustments. they have the VDI's which open at 4500 or 5k (i dont remember) to allow more air into the motor at higher RPM's.Originally Posted by HypnoToad
rotarys have something of the sort. except they dont do it with timing adjustments. they have the VDI's which open at 4500 or 5k (i dont remember) to allow more air into the motor at higher RPM's.
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