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Aside from the extremely annoying chainsaw exhaust note, how do these run at your drag strip? Please tell me my local strip is not the only one that has to deal with these only making 1 out of 4 passes without exploding and spilling something all over the track. Not trying to hate on the rotary, some of them are damn fast, just seems like their reliability is comparable to that of a lamb skin condom.
The only rotaries worth talking about were the RX-7's. Squeezed 250hp from a 1.3 liter engine and its light as hell. They can be made pretty badass cheap. Though the most impressive RX-7 I'v seen had an LS-7 swap, so it wasn't even a rotary...
I've heard of 11s but only personally seen 13s (Wichita). Keeping a rotary both stable and powerful takes a considerable amount of tuning, research, and money.