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Old 01-23-2012, 08:40 PM   #12
scrambler73
Gnarly Adventurer
 
Joined: Feb 2010
Location: where I am supposed to be.....
Oddometer: 110
2 strokes will always make the most horsepower with ONE individual expansion chamber per cylinder.
As soon as you add 1 or 2 more cylinders to the mix, the soundwaves (for lack of a better explaination) begin to collide in a way that disrupts the whole purpose of an expansion chamber.... Cramming unburnt mixture back into the cylinder before the port closes.

There is a guy working on a 3 into 1 for a Kawasaki Triple that will have interchangeable "chambers".. all made to work at different RPM's. It will be pretty cool to see how it all turns out.
Ive had a few different old-school brands of 3 into 1's on H1's and H2's and they all work the same... Good low end and midrange grunt......but at 6 grand or so, absolutely shut off like you are hitting the kill switch. 6 grand on a triple is where the fun is supposed to start, not stop.

Ive also ridden a buffalo with one of Omar's 3 into 1's and it ran well. Buffalo's were never high revving, so you didn't really miss that last 1000 revs.
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