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raden

Hpi cdi unit

3 posts in this topic

Has any one used one of these units with the 2 programmable curves or any other brand ones, an what was the result,any worthy gains in performance?

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Hard to tell after not riding the bike for about 3 weeks. That is the time the Vortex needed to find its way to me. Overall I like it I have 10 different maps to choose from although I rarely switch between them.

You have to jet richer when going with a more agressive curve.

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I have a HPI on my 144 that has been mapped specifically to match the porting.

It gave the already good performing engine a real shot of addrenilin. It just made everything livelier if you know what I mean.

Stimps has one on his YZ 250, you can check out the performance on his posted dyno charts in the stickys.

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