Results 1 to 9 of 9
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02-20-2007, 06:42 PM #1
- Join Date
- Feb 2007
- Location
- California
- Posts
- 2
Grey- 2005/Chevy/Avalanche
new user needs advise 5.3L vortec mods
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.
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02-21-2007, 06:24 AM #2
A custom tune to get rid of the torque management!
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02-21-2007, 11:41 AM #3
- Join Date
- Feb 2007
- Location
- California
- Posts
- 2
Grey- 2005/Chevy/Avalanche
yeah but thats only gonna give you about 20HP... I need to do that and I nned something else?
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02-21-2007, 03:44 PM #4
- Join Date
- Aug 2005
- Location
- Ca
- Posts
- 10
Try 4:10s then a higher stall converter,cam then heads.By then it should leave some rubber
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02-21-2007, 04:28 PM #5
how much money are you talking about, because if money is no option supercharge it.
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02-21-2007, 04:36 PM #6
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02-22-2007, 09:06 PM #7
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)
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02-22-2007, 09:11 PM #8
how did you like the bbk tb, I was looking at those and the 78mm fast, I was wondering if the 78mm was smoother than the 80mm
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02-26-2007, 04:43 PM #9
- Join Date
- Feb 2007
- Location
- Golden/Grand Junction, CO
- Posts
- 5
White- 2002 Silverado Z71
lol go check out performancetrucks.net is my advise... so much more active than this forum for trucks....
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