82 Chevy c10 shorth bed, it has a sbc350 lunati cam 468/489 lift,, weird intake, Holley 600 cfm carb, stock heads,stock rebuild tranny,, stock rear end,,, the motor feels strong just need smething to make it perform better, first thw gears tkes of strong once it hits third it dont feel srtrong feels slow,,probably needs aluminum heads n rear end,, what heads would be good ,,