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Junior Member
lt 80 gearing
Trying to make the lt 80 have more top end speed in the dunes,
Lots of motor work done,pipe,porting,reeds,bored over,wisco piston,sand tires front and rear, whats next? carb size,different
gear ratio,,,, or is that all she's got!!!!!!!
little girl can't keep up
Registered User
NO that's not all it's got!
Needing a gearing change tells me exactly how little porting was done. No mention of clutch work either.
Porting should have raised the rpm's to 11k+. This will depend on the pipe used, a stock pipe will rev 10k+.
Stock gearing should be used with sand tires and a modded motor.
2000 GNC 5N\
2001 GNC 9N \ 40+ class
2004 GNC 9N /
2014 rock crusher "GO tortoise GO!"
2016 Byrd Rooster
Father of the "11" time National champion,and worlds fastest woman ATV racer
A few fast LT80's
250R~300cc's
300ex
350 Rancher
Kymco Mongoose
Survivor of the 12 Hours of ATV America 04 and 05
Moderator
Porting can only do so much if you don't have the other aspects to go with it. The engine might make its best power at 11k, but if the clutch only allows the engine to operate up to 9k, you're not getting full performance from your porting.
For more information, read the tech articles on CVT clutch tuning
Duncan Racing 340PV, +2 A-arms, +4 LSR axle, and a host of other goodies.
Junior Member
thank you guys for your replies, Mr lt 80, it was before the
injection system failed and i replaced the piston that "I"
did some clutch mods, really the only thing i did was remove
some weight of the front clutch shoes ,EQUAL GRAMS OF COURSE.
however, at that time i replaced the rollers also,(stock).
I just would like some info that could gain some top
speed for her, hard to keep up with 400's & 450's,
THANKS AGIAN,,,
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