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That Indian (singular) with the 4 valve heads is interesting.

The guy wot built it knows his racing engines though, and used every trick in the book to get it to really fly.

It did 160 mph+ 2 way average on the salt somewhere recently - naked.

If Indian had known all that back then, motorcycle history would be different...


Suzuki knew a thing or 2 with those 4 valve GSX1100 4 cylinder too - thats one of the few engines that has been dynoed

with more horsepower low down in the rev range than the equivalent year Harley big twin.

AND, it revs to twice the revs of the HD. And with a one piece crank, is near unburstable., and can get them out to 1500cc...

Speedway guys luv em.


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