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Swank Force One
Swank Force One MegaDork
2/22/13 7:24 p.m.

Aka berkeley an rx7, gimme one of THOSE

JtspellS
JtspellS Dork
2/22/13 8:12 p.m.

Nothing to add other than I love all rotarys!

Knurled
Knurled GRM+ Memberand UltraDork
2/22/13 9:54 p.m.
DaveEstey wrote: Rotary race headers don't have a collector. They run full-length dual.

Not all of them. The trick things now are \equalization tubes on short primaries, playing with different collector angles, and sometimes expansion chambers.

There's a lot of power to be had in the exhaust system and true dual tends to throw a lot of it away.

Knurled
Knurled GRM+ Memberand UltraDork
2/22/13 9:56 p.m.
BoxheadTim wrote: I've heard tri-rotors run *with* mufflers and quiet they aren't. I'm too old to want to find out how loud they are without mufflers.

There's some guys who have a 13B engined Starlet with a non-exhaust on it. When they are just idling staged at the light, you can't hear an open-headered V8 doing a burnout right next to it.

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