i have 2 turbonetics 76's right now and considering going single for the simple fact that it is easier to fit everything. its a billet crank, billet rods, blow-thru 3.25x4.045 sbf. bennet high ports and an ATI powerglide 1.80 straight cut. nothing has been cheaply done. i want to be able to push a 3100lb foxbody into the 4's. any help is appreciated. if you need any info just ask. i want to do this right the first time.