hi everyone. new to site. figured this is the place to ask for some opinions. I have a 05 2wd avalanche with 5.3 and thinking of some performance upgrades..
cut cats out
60lb injectors
ls6 intake
tune from tampatuning
shorty headers
cam with 220/225 .580/.580 lift.
I already have a dual magnaflow exhaust and Spectre CAI.
also putting in 4.56 gears since I'm going to be running bigger tires.
what do you guys think?

 

sounds pretty good, id ditch the shorties for some long tubes, get a stall tand from there the skys the limit

 

whats the benefit with longtubes? also what size stall? this is for my daily.

 

Stall at least a 3200

 

Longtubes will give you more bottom end. Shorties are essentially the same as free flowing manifolds.

 

Better flow. Shorties will show little to no gains where as long tubes will show significant gains.

3000 is a great and common DD stall, but 3400 is a little more agressive and a lot more fun. Lots of guys daily 3600+ stalls.

 

I had a 3600 rpm stall converter. Had it reworked down to about 3400. Definitely regret that move. 3600+ FTW!

 

wouldn't the truck be sluggish until I reached 3000 rpms?

 

No, most good street stalls are fairly tight so you don't get gooey foot at part throttle. WOT will get you to flash your stall speed though.

 

ok. I have a different idea. TBSS intake, 241 heads backed .072, Duration 269/277, Lift .607/.614 comp cam. 3200 stall, 60lb injectors, long tubes, tune