View Full Version : first time on dyno with my 90

01-03-2012, 01:59 AM
finally got my 90 s/c on the dyno over the weekend as a joke to the operator as he thought it would never break 200hp
mods are 76mm mass air, 3 in pipe, 75mm tb ported inlet to match tb size, 2-1/2 dual exhaust thru magnaflow resonator and mufflers
sstage 1 morana long block mild ported heads, tuned my me
made 266 at 4500rpm and 341ft lbs at 3300rpm i was super happy with that as i am still on stock pulleys making a max of 13psi at 5500
was pulling very strong but i need to install my 255 pump and 42 lb injetors asap as i had to command 10.2 afr to get 11.99 at anything over 4800 next project will be intake gaskets, install my pulleys and my pump and injectors and go back and see what i can get out of this pile

01-03-2012, 05:45 AM
nice numbers!!!So what did the guy say when he saw those!

01-03-2012, 02:06 PM
just put a stealth pump and 60lb injectors because it is not much more $ and you can never have enough fuel and someday you might need it.

just something i learned early on

good job so far!

01-03-2012, 09:12 PM
I would go with the stealth as well, though if the 255lph is the High pressure version and you don't plan on further mods, you'll be o.k with it. It wouldn't hurt to upgrade your fuel lines from the tank though. Stock lines seem to have been an issue as your power goes up, and if you can afford it when the tank down is a great time to do that kind of mod.

Congrats for the results.

01-05-2012, 03:07 AM
the only reason i decided to use this pump was that i got it nearly free lol same goes for the 42 lb injectors i got both for 50 bucks shipped
the dyno guy was shocked at the torque numbers it put down at such low boost i was really happy with how it went now to just swap my pulley and injectors and pump on it and let it eat with a better tune and enuff fuel to keep up and i hope to see 300rwhp and near 400 ft lbs