i got my truck running it's a 283 bored 0.60 power pack heads hei tran's 700r4 with 3.73 rear. Problem is it idles at 2000rpm's i tryed to adjusted the carb and it dont do any thing it's a stock 2 barrel rochester. When in drive it go's down to about 1000rpm's and doze not have any power tell 2500rpms. thank's for any help