MATH+Logic: An engineering approach in search for a perfect TURBO. (1 Viewer)

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Nope the twinscroll housing is bigger, 8.5cm. I'd have to reread posts from the time to be sure, but I think max load egt dropped 50cc from the 7cm, and 100cc from the 5.5cm which also had slightly smaller wheels. The twinscroll spooled up the best out of the 3.
 

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