squrril13

Ya the car had romeo heads an I had the pi heads an ported those due to messin
Up the romeo heads. An from wut I heard is tht the dyno I had my car on was off
Buy a decent amout. Buttt I'm gunna run a smaller pully an 15lbs intercooled an
All tht good stuff

squrril13

An from what I've looked up I thought a built motor with full bolt ons
Would be around 280hp we'll I'm pretty sure I should of been close to
Tht with my motor before the supercharger

uberstang1

a "built bottom end" doesn't add any power unless you run a higher compression piston setup or a stroker. It just enables you to handle more power with the forged componesnts. With your mods and 5psi of boost you not gonna be anywhere close to 380rwhp, especially with 9:1 compression, your numbers are about dead on give or take 5-10rwhp. Your current mods WITHOUT a supercharger, I would put you at about 240-260rwhp, Im curious as why you upgraded your valve springs without aftermarket cams as well.

justinschmidt1

Yea, Uber is right...you need to do some more research cause it sounds like you have no idea what your doing.

your dyno results sound spot on for that boost and motor.

Turn the boost up if you want more power.

TCStangerv6

You can't run the ud crank pulley if you do you'll see less psi. If I were you I'd get rid of that pos ud pulley and buy a iw od pulley. Or atleast get a stock one. What pulley is on the Vortech now? Also get some bigger injectors. What fuel pump are you running? I agree with the above comment Do some more research on what you have and what your looking at.

squrril13

I have 39lb injectors
An I upgraded the valves cuz the stock springs broke an I bent a rod
Thts why I built the motor. An the pully on the supercharger is the stock one.
An I've done a lot of research an I know exactly what I'm talkin about
Jus wanted someone elses opinion on wut I have done.
An I have stock fuel pump wit a kenne bell bap
I will be upgrading to a duel pump system an 60lb injectors soon
Also gunna intercool it an put a smaller pully to make either 15 to 18 psi

cliffyk

As others have said, if you are running the underdrive crank pulley, then just changing that will increase the boost considerably. Most UDP crank pulleys have a pitch diameter of a bit less than 5.0", the stock pulley is 6.5"--30% larger, you can expect to see that much more boost...

justinschmidt1

Sounds like a good plan, dual pumps, 60 lb injectors, intercooled, and 15-18 psi and you should be on your way to 500 rwhp

TCStangerv6

f it just buy my 80# injectors so you can grow into them. $300 shipped

uberstang1

Still need a little more research, for one you still havent addressed the under drive pullies, which u will need to loose anyway because with boost numbers like that your gonna need to swap everything over to 8 rib anyway, and possibly an aftermarket tensioner, and u mile wanna look into an overdrive crank pulley instead of underdrive .....