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11-13-2009, 09:23 PM
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Junior Member
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Join Date: Nov 2009
Posts: 2
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turbo 5.3L or 402
i want an honest opinion. should i build a 402 and drop it into my 2wd silverado or should i turbo the 5.3L i have now? i have a few bolt ons and a tune but i want power. i changed the rear to a detroit tru trac with 4.10 yukon gears. just asking an opinion and seeing which way to dump 4500 bucks.
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11-13-2009, 09:48 PM
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Paid Off
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Join Date: Aug 2007
Location: Gramercy
Posts: 495
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front mount turbo imo bc you can always upgrade motors later vs spending 5k on a motor then another 5k on a turbo..id rather the front mount turbo now then build a motor later
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11-13-2009, 09:50 PM
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Your God
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Join Date: Nov 2007
Location: Pittsburgh, PA
Posts: 4,599
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depends on what youre plans for setup is.
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People in general dispise others who are better at what they do than they are, in fact they can create whole cults to mock you due to their lack of intelligence and character.... we all handle this differently.
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11-13-2009, 10:06 PM
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sprayin the whole 1320
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Join Date: Sep 2008
Location: Dirty South Jersey
Posts: 557
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motor swap. when you get tired or need more power from the 402 then put some spray on it. Thing will be fast with the right suspension setup
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2005 GMC RST
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11-14-2009, 08:20 AM
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Junior Member
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Join Date: Nov 2009
Posts: 2
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gas mileage isnt an issue. i would drop an 8.1L in if there wasnt so much extra crap i would have to swap. i have a motorcycle and a new excalade i can drive instead of this thing if gas prices go up again.
who else besides sts makes a turbo kit. i found one other but they dont have the carb oe numbers. so every time i have to smog the truck i would have to take it off. |
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11-14-2009, 10:34 AM
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Senior Member
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Join Date: Aug 2007
Location: McConnell AFB, Wichita, KS
Posts: 213
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motor swap. that way if you decide spray or boost later the engine can handle it safely.
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(SOLD)2000 ECSB HARLEY DAVIDSON EDITION. 2''/4" DROP, 20" BUDNIKS, COWL HOOD, MOLDED ROLLPAN, CLEARS, DROP IN K&N, MIT, TAYLOR WIRES, LOUDMASTER EXHAUST
1991 RCSB S10 355 SBC, 700R4, 8.5" 10-BOLT, 18"/19" Z06 WHEELS, 4"/5" DROP, MAGNAFLOW DUALS W/X-PIPE, FULLY SHAVED W/ CADDY LIGHTS
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11-14-2009, 12:34 PM
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Senior Member
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Join Date: Apr 2005
Location: Wheatland, WY
Posts: 307
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I do, Nelson does, and Trick, but none of them have CARB approval. Only one is STS and its only on 01-05 I believe. AS far as what's better, depends on what you want to do with the truck. A 5.3 with about 7 psi of boost will make about the same power as a 408, but then you can turbo up the boost and make more power then a NA 408 if you want! 
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01 ECSB 1/2 ton 4x4 Forged 5.7 LS1 GMC
12.21 @ 110.5 at 4800' elv. (6800 DA)
KB Racing S480 Turbocharged!
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11-14-2009, 04:32 PM
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Member
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Join Date: Nov 2009
Location: patuxent river, maryland
Posts: 32
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i like my turbo 5.3l it makes my pig move pretty good. then again i do care somewhat what my mileage is. but down time on the install was way less than a motor build also.
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'04 Tahoe AWD,5.3L trickperformance turbo kit, magnaflow muffler and SC3200. 12.89 
Linear Mode
