well for now i am running a softer throttle return spring and i am running it in front of the carburetor instead of behind it on my new 650 thunder series edelbrock so i sure hope the throttle shaft on this 650 last's alot longer then my 600 did.
I see now that edelbrock is putting made in usa emblims on there carbs my new 650 has one, hopefully that means it was made with better parts and by someone who accually gives a [Edited by Moparts - Family Friendly Site - Keep it clean].