I need a lil more umph

[Devs93]

350 tbi rt now just 3 in exhuast but i need more just dont wanna sink a lot in this motor. If I swap cam am I gonna be stuck running 93 octane? I have a tbi spacer so I was thinking that headers cam and custom chip from tbi chips. i dont wanna get crazy and kill my gas milage with this motor and I wanna go 5.3 or 6.0 later. What cheap mods that work dont really wanna get over 600

 

[ndians68]

ultimate tbi mods, if you haven't already

 

[nate3531]

With a 600 budget, I'd do vortec heads, cam, tune. That should hold your mileage, and you can get an 87 tune and still pull nice hp numbers.


This was the plan I was tettering on the fence about with my 89. Also you could always use that engine on an OOBS later down the road

 

[hefftone]

Keep in mind, vortec heads will require a new intake manifold. And if you need to keep egr for emissions, then you are extremely limited.
But that would be a great setup.

Android/Tapatalk

 

[dirtridinz71]

I had a nice gain from my ultimate tbi mods edlebrock intake, comp cam (xe249 I belive) and tcichips.com chip. If I was to do it over I wish I had gone with a more aggresive cam but none the less it did make a noticeable difference over stock. Never lost any mpg, if anything gained a little as truck pulls itself better now.

 

[DRAGGIN95]

I would do ultimate tbi mod's, tbi chip's chip, and header's and call it good until the ls swap.

 

[nate3531]

Keep in mind, vortec heads will require a new intake manifold. And if you need to keep egr for emissions, then you are extremely limited.
But that would be a great setup.

Android/Tapatalk

Actually I did forget about that, that will add about $200 to the price but would be worth it.

 

[Devs93]

I would do ultimate tbi mod's, tbi chip's chip, and header's and call it good until the ls swap.

Shoot me a message and let me know how much you would charge to do the tbi mods ill send one down to ya

 

[WFO4X4]

i've never seen where a cam makes it necessary to run 93octaine. usually a change in compression ratio will be the only thing to cause that. i think with what you're asking, it'd be useless to really do a major cam upgrade and not just tear the motor down. i'd stick with some bolt on stuff and if all else fails. u can throw a 100 shot of nitro on it for well under $600... hell, a 50 shot would make that thing snappier.

 

[GMCTRUCKS]

Underdrive pulleys I felt more get up and go on my 93.