high humidity=poor performance

[matt87]

hey what do you Maxeffort guys change when the humidity is say above 80%. i went to the local street spot this past saturday night and did a couple of wot blasts to see how it was running. man it ran poorly. felt like it was missing and performace after 1st gear was off. ran it today to see if it was any different with 30% humidity and it ran like a raped ape! i dynoed it a couple of months ago and had it set up the same way. 37 ps line off, 48 in offset with it on pos B. gas was straight c-16 and boost was 25 psi. i talked to Steve but he wasnt sure what to try. anyone else have this problem ever?

 

[blackbuick87]

High humidity can expose weak spots in the ignition system

 

[Steve Wood]

The higher the humidity, the worse the air. Have to lean it down a bit to match the reduced air quality

 

[Geoff87]

Is there a correction factor for humidity, like there is for altitude?

It's almost ALWAYS humid here.

 

[Steve Wood]

http://www.nightrider.com/biketech/calc_airdensity.htm

 

[Geoff87]

Mahalo Steve!

 

[Steve Wood]

somewhere I have the actual equations....as I recall, humidity is not as large a factor as temperature and pressure. And you are welcome.