HP
 

$400 HP NOT CLOSE.
Try 260 to 270HP Stock.Thats aLL...........
Later
G 8)

Maybe 400 lbs of torque, but not HP.

Yep about 250-260 sounds about right. A 1992 350 truck (C/K 1500) application w/ TBI all stock was only about 155/hp!! You would be surprised how little HP they had.

i knew it didn't feel like it had alot, so i got to do something about that trying to make a nice show truck with a little pep

Is your 1990 a Gen V block? If it is, I think you will have to find some heads for the Gen V block for the upper water hole alignment. I am not positive, but you will have to check it out.

EDELBROCK SELLS PREFORMANCE PACKAGES WITH HEADS CAM MANIFOLD ETC THAT SHOULD DO WHAT YOU ARE LOOKING FOR. WITH TBI & EMISSIONS YOU ARE KINDA LIMITED. CHECK THEM OUT. MIKE

PISTONS ARE WAY CHEAPER THAN HEADS.

i was wanting to switch from the 2 barrel tbi over to the efi from edelbrock or just convert to carb

Is this a duelly truck by chance :?: I wouldn't touch it if it is, i can guarentee you that the Edelbrock EFI, will not be worth the $2,000.00 over the throttle body. If it's conventual truck, not a duelly, you'd be better off to change the heads, and up the cam a little and stay with the throttle body. I've got a 1993 duelly with 189,000 miles on it and it pulls a 28 ft Haulmark with an over 3,000 lb car all day as fast as the speed limit allows, and will still spin the tires with no load on it, i wouldn't touch it for nothing. It's never had any engine work done too it, but i'm a little surprised that the plastic timing gear hasn't gone out yet.

JMO

Zip.

its a standard truck 1990 chevy ss just want to get more out of it