Originally Posted By Neil
Rubber belt would still stretch either way. All the idler would do is keep the belt from flapping around.
iagree work The wear on the belt and gears on the dyno and the slop of the belt stretching while moving the cam on the dyno got me concerned shruggy
That being said I will use the Jesel belt drive I have now with their distributor drive on my next all out N/A race motor with a crank trigger up

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)