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Old July 12th, 2012, 10:20 PM   #1178
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Join Date: 03-19-06
Location: Alpena, Mi
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Originally Posted by liv2mx View Post
my 42's are 95 pounds a 17" 43 weighs 121. almost 30 pounds difference in a steel 17 versus a aluminum 20" rim. so 55 pounds or more difference in a steel 17 on a 43 versus the 42 on a 20.
Did you weigh the wheels?

I don't doubt the difference, 55lbs of rotating mass * 4 wheels * gear reduction equals a lot of horsepower. I know I could feel the difference in throttle response when I put the 9lb flywheel weight on my 2.5L was awesome for crawling but trying to tackle a long hill with an SM420 (think bread truck) was an exersize in futility.

Seems the game you're looking to play would be best played with the lightest possible wheel/tire combo (within durability reason), otherwise you'd have to jump tax brackets in the motor department.
(43) Jeeps and counting....a couple of them run, kinda.
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