Quote Originally Posted by MMiskoe View Post
Long ago I was told by a guy who'd built a few Wankels that if a 13B motor won't idle at 1000rpm w/o loping, its had some port work done. Is there any truth to this?

Matt

This is just not true. We build and tune mostly fast street cars which are mostly all "street" ported. With good tuning you can get a pretty aggressive street port to idle smoothly at 800 rpm. Now that programmable fuel injection is legal it would be easy for someone that knows what they're doing to pass off a street port in terms of idle characteristics.

If idle characteristics are the factor used to judge, more people will be indicted on the basis of poor tuning skills that actually cheating.

There is porting that will cause a loping idle, but I can't believe anyone would think they'd ever slide such an engine passed anyone in terms of tech.