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Old November 22nd, 2008, 12:42 AM   #17
TheDuck
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Name: Duckman
Location: Pensacola, FL
Join Date: Nov 2008

Motorcycle(s): '08 250R, '06 Chopper, '80 Puch Magnum II, '01 SV650, '99 CR250/CR500AF Sportbike. '02 CRF450/CR500AF Dirt

Posts: 480
Quote:
Originally Posted by VeX View Post
My favorite runner idea was in the early 90's ZR1 Corvettes. They had 2 intake runners per cylinder. One of the intake runners had a butterfly on it which only opened up at like 3,000 RPM. So you would literally go from a long runner intake design at low RPM's to a huge tunnel-ram type manifold at higher RPM's..
The Acura RSX base model had it too, the Type-S didn't though.

I don't suppose it would be that hard to build such a telescopic design. But surely on 250 it would just be a labor of love. The gains would'nt be worth the time and parts invested. Plus points to anyone that does it just because!
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