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08-09-2007, 08:40 PM #1
- Join Date
- Aug 2007
- Location
- allagash
- Posts
- 3
Black- 2003
Is a 5.3 Vortec a Ls1??Need help on POWER!
Hey everyone, Im a complete noob to Fi Ive played with Carbs my whole life I just got my 03 5.3 and I want to Do sum Major upgrades.. Im nto shure if 5.3 is Ls1??? I was thinking of doing sum major upgrades. I want sum advise on what to do I was thinkin of a Sts turbo kit?? Im completly stock with just a K&n airfilter and hypertech programer ANyone got Advise on wha ti should do?? I want to push about 400-425 Hp I dont wanan drop my trans allthe time n such and I need this to be a reliable truck for on\off road use I work in the woods and travel on Dirt roads Frequintly Any help sould be AWSOME! Also I do not have Diferental locking and i would liek a Lock rear end..
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08-11-2007, 06:16 PM #2
No its not a LS1 and I don't suggest a under the car STS kit if you plan on doing any off roading. Not a smart decision... Good luck hittin 4-425. You're gonna drop a pretty penny on that project.
96 Imp SS- 12.74@103, 1.74 60' out of fuel
06 AWD TB SS- 12.58@106, 1.76 60'
01 Camaro SS- Totaled
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08-11-2007, 06:29 PM #3
Which rpo code 5.3 do you have? Full bolt-ons and FI should get you where ya wanna go...ATI procharger is a good blower and is self contained (don't have to tap the oil pan). Completely stock with a 50% gain would give you around 420ish at the crank....with full bolt-ons hopefully you'll see around there at the wheels. Is your truck a 4x4?
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08-20-2007, 01:43 PM #4
- Join Date
- Aug 2007
- Location
- florida
- Posts
- 20
the 5.3L actually has the same bloack as the ls1.dont change intakes.a truck intake actually lets more air in than any stock LS intakes btw.i would prob go with a cam.procharger or maybe a stroker kit?good luck
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08-21-2007, 08:12 PM #5
- Join Date
- Jul 2006
- Location
- Westminster/Sykesville, Maryland
- Age
- 35
- Posts
- 512
Red- 2000 Trans Am
swap in a 6.0, cam it, full exhuast, and a procharger or something. it will get you up there and farther.
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08-22-2007, 01:24 PM #6
- Join Date
- Aug 2007
- Location
- florida
- Posts
- 20
^^^^would work nice.but also plan to spend lots of $.besides.trucks arnt really ment to go fast.ive been thinking about turbo charging my Silverado.just a pain to make em fast.might just sell it and get a Camaro SS
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