new user needs advise 5.3L vortec mods

**way2much_01** · 02-20-2007, 06:42 PM

Hello I'm new to this I gotta 05 chevy avalanche 5.3 Ls1 I've done some small mods but looking for more horse power does anyone with advice on my next move. I've got an flowmaster catback exhaust, AEM cold air intake, doug holley headers, and BBk 80mm throttle body and TB spacer. so what would I do next I'm trying to leave some rubber on the pavement please help me thanks.

**RandyW** · 02-21-2007, 06:24 AM

A custom tune to get rid of the torque management!

**way2much_01** · 02-21-2007, 11:41 AM

yeah but thats only gonna give you about 20HP... I need to do that and I nned something else?

**dc96819** · 02-21-2007, 03:44 PM

Try 4:10s then a higher stall converter,cam then heads.By then it should leave some rubber

**hutch1999** · 02-21-2007, 04:28 PM

how much money are you talking about, because if money is no option supercharge it.

**ZAPFOOL!!** · 02-21-2007, 04:36 PM

Originally Posted by hutch1999

how much money are you talking about, because if money is no option supercharge it.

yes boost is good

**shabysurf** · 02-22-2007, 09:06 PM

a cam and/or look into some 1.8 rockers, and definetly get a tune, if you get the rockers make sure the cam works with the rockers (not a high lift cam)