The chain is transmitting the same harmonics a gear drive is.

Chains/Gear drives have been used a hell of a lot longer than belts.

The harmonics of a chain/gear are going to be absorbed by the balancer, right along with the crank harmonics.

If it's a blown motor, the blower belt absorbs the harmonics.

I think a lot of this is more wives tails than truth. If the harmonics were such an issue, you'd see cam bearings trashed on a regular basis.

So then what is so bad about a jesel belt drive then??????

they cost 800 - 1000 bucks. :P

Belt
 

DING,DING,DING!!! We have a WINNNER........!
Later
G 8)

So does a good gear drive.

http://rcdengineering.com/cam_gear_drives.html

http://www.rbssuperchargers.com/Stor...37&InfoID=3921

G/Drive
 

Got my New Milodon,for about 675.00.
Close,but i sure like being able to connect the Sitko Frt.Mag and F/Pump Drive too!
Later
G 8)

G/Drive
 

Dbl POSTED? 8)

gear drives
 

WOW, the Milodons went up. I pd $411.00 with freight in 2005, man I hope it last for 10 years. :D