Mikuni jetting questions

Webers, Cam selection and Ignition upgrades.

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totorote27
Posts: 50
Joined: Thu Feb 13, 2014 2:17 am

Mikuni jetting questions

Post by totorote27 » Wed Oct 15, 2014 2:34 pm

I was wondering if there is a general rule of thumb for adjusting jets for elevation change. Is it Better to start by adjusting airflow or fuel flow? I am entering a rally cross at glen helen this weekend. My car is jetted at 3000' and glen Helen is at about 1500'.
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gotae86
Posts: 111
Joined: Fri May 09, 2014 4:26 am

Re: Mikuni jetting questions

Post by gotae86 » Thu Oct 23, 2014 3:55 pm

From what I've been reading, Mikuni carbs are not affected by elevation change when compared to Webers. As for a 1500' elevation change, I cannot confirm this as I've never ran a carb setup through that type of terrain. Do you have the Mikuni tuning manual?
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