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which FI is better for a stock 5.3

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Old Sep 7, 2010 | 10:01 PM
  #21  
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From: ludowici,ga
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it be nice to have 500)...noone round here would keep up
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Old Sep 7, 2010 | 10:06 PM
  #22  
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Its fun thats for sure... but like u were asking, if u wanna stick with the 5.3 i suggest FI, if u want nasty power all motor i suggest bigger cubes as stated...370, 408, etc...
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Old Sep 7, 2010 | 10:12 PM
  #23  
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From: ludowici,ga
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well i have 13000 to throw in it....i was want either sup up 5.3 or 6.0 or 408...but i cannt find prices for them no where
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Old Sep 8, 2010 | 01:31 AM
  #24  
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Boy, you guys are rough on the stock motors! . Don't you know BOOST is a replacement for displacement, and a 06 5.3 has the good rods in it. I would boost the 5.3 and spend your money on the best tranny you can get. You would be amazed at what you can get out of a stock 5.3 with a good cam, nice turbo and about 15 psi of boost.

I'd still go with turbo, unless your gonna run N2O with that blower. Seems you can only really get about 10-12 psi out of a blower and 6rib belt before you have belt slip problems. A T70 or 76 will get you a nice efficient 15-18 psi of boost and with proper tuning, a stock 5.3 should take that for a while and have a nice table top looking power curve. IF you blow it up, them maybe look for something bigger and forged.
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Old Sep 8, 2010 | 03:39 AM
  #25  
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I wish I had $13k just layin around...
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Old Sep 8, 2010 | 05:05 AM
  #26  
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You and me both
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Old Sep 8, 2010 | 05:40 AM
  #27  
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Kb is right, i have to admit i was gonna go turbo but couldnt pass up the deal on the blower...
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Old Sep 8, 2010 | 09:05 AM
  #28  
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This guy is all over the place with what he wants. Kinda hard to narrow it down for him if he's unsure about what he wants.
For 13K I would buy a tranny for $5K, get some fuel supporting mods for $2K, upgrade the cooling system for $1K, spend $1500 on valve train upgrades and cam, and spend the last $4500K on a turbo system.
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Old Sep 8, 2010 | 10:19 AM
  #29  
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yeah if i had to do it again i would start at the *** end of the truck and work forward. trutrac out back at the least. stock g80 doesn't like much power. then a level 7 flt trans with billet parts circle d or yank converter. not a tt3000 but the tc line from yank. then with that model 5.3 turbo that dude. if my 5.3 in a 6020lb tahoe can hit low 12's i'm sure a pickup can do it with ease. fuel sys and heads /cam and you'll be good. had you had a newer model you would already have good heads to start with.
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Old Sep 8, 2010 | 11:17 AM
  #30  
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Originally Posted by TURBHOE
stock g80 doesn't like much power.
I've been running low 12's on my stock 140K mile G80.
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