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Posted by Daryl in Oz [210.50.228.4] on Monday, February 27, 2012 at 06:04:13 :
In Reply to: Re: re Junior---vibration--balance--comments pls posted by clueless [201.202.29.210] on Sunday, February 26, 2012 at 17:49:20 :
I think if they are true and balanced, there wouldn't be a lot of difference to vibration. Drive-shaft dimensions are usually calculated to withstand the torsional load of the application with a calculated safety margin - if you change to a higher power unit or different gears, different tires, then the original calculation becomes compromised. Put higher gears, bigger tires and a lot more horsepower and you may need to increase the strength of the drive train.