It all depends on so many factors, intake, cam, transmission, rear gear ratio, there are too many factors to guess mileage. Price depends on what brand and how much you wanna do yourself.
__________________ BUILT NOT BOUGHT 80 Coupe 6.0 TH400 86 TA 5.3, 4L80 92 S10 ECSB 4.8 T56
Originally Posted by -Ross-
Haw mut horzpowa sbc or lsx eenjun mayk b4 eet need tarbo liked da 2jz?