Stock 4g63s on 8 psi with a 8.5:1 comp rto =215 HP. stock 420a has a 9.5:1 comp rto add 8psi boost u get 286 HP at the flywheel . hitting 300 HP on a 420a is easy with a good tune and a turbo and a lil more fuel y spend all the crazy money if u don't have to mine pushes more than 300 but has...

A stock 420a is roughly 150hp . the 4g63 stock with stock boost puts out about 215hp. now u take a stock 420a and put the same boost that comes stock to a 4g63 .it puts out around 286hp my 420a has eagle hbeam rods and je pistons and I run 35lbs of boost just fine .on a oringed block and copper...

What's up everyone ? I'm kinda new to the dsm thing but Ben building cars for a long time . I'm trying to learn more about my new car . I mean I know what I have and know the potential it has .but not quite sure of my self to acualy tune and push my car into high boost . I live in akron and...