What would you recommend?

alvin l nunley

Premium User
It may be some comfort to know, in 50+ years of karting, I've almost never seen somebody who has learned this sport in less than a year, let alone with their first try. I think it took me about 4 years to get good at it. I'm a slow learner. lol
 

flattop1

Dawg 89
I can run a fully built 131 Sudam or a 250 cheaper than an open modified 14.5, and have twice the reliability and HP with half the maintenance. More strokes = more problems! Ha
More strokes =more problems! Ha .
No ; just less power strokes .;)
More bang for your buck .
4 stroke 2 revs per bang - 2 stroke 2 revs 2 bangs.
 
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Jim46

Member
First thing is you through away the setup sheet for most chassis
Shorten your flex or a higher end pipe will help the tire spin ( farther from the corners)
 
Just keep in mind, shorter flex, more heat. More flex for bottom end and less heat, less for more top end at the price of more heat. However temperature is almost a non point for H20 motors, even on gas. If you’re sticking a piston on an H20 motor and think flex length is to blame... you have bigger problems.
 

alvin l nunley

Premium User
Just keep in mind, shorter flex, more heat. More flex for bottom end and less heat, less for more top end at the price of more heat. However temperature is almost a non point for H20 motors, even on gas. If you’re sticking a piston on an H20 motor and think flex length is to blame... you have bigger problems.
2 short, what ever that is for the pipe you're using and the engine you're using, can cause the engine to go lean. Been there, done that. It's my experience; pipes have a "perfect" header length, that length can change plus/minus a quarter-inch very safely, much more than that and you start running into less performance and/or a lean condition. If you have no information on that perfect length, practice laps will help. You have a stopwatch right?
 
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