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Honda Header Tuning

 
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Stan Smith



Joined: 22 Aug 2001
Posts: 36
Location: Afghanistan,

PostPosted: Fri Sep 07, 2001 6:00 am    Post subject: Honda Header Tuning Reply with quote

I saw this somewhere else and the guy got nothing back anybody know

OK I give up!
Does anyone *know* the effects of different header pipe lengths on a GX160k1 Honda, on a sprint track? I always thought you use a shorter pipe on a longer track, and vise-versa.

Under Canadian rules a GX160 will rev 5800-6200. We have to use 1"od tube, from 8" to 12" long, then we put a RLV B-91 silencer on over the last inch.

Some guidelines would be of help... Just how long is a short track, and when is a track a long track?
Is it possible to gain 400 rpm just by trimming 1.25" off a pipe?? Or do I just cut it off at 10 inches?
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