GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

4.8 is getting better!!! lol

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Old 02-28-2012 | 09:10 PM
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Lolz .....
Old 02-28-2012 | 10:49 PM
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sweet truck!
Old 02-29-2012 | 05:18 AM
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I wanna try an hook my bottle up with atleast a 50 shot for this weekend until I can get it tuned for my 150
Old 02-29-2012 | 06:59 AM
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6.2nalide .... What are your plans for ur rcsb 4.8
Old 03-01-2012 | 01:59 AM
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What the mods???
Old 03-01-2012 | 02:19 PM
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3600-3800 stall, tsp 220 cam, 4.11 gears true trac and long tubes 275-45-20 on oem 20's
Old 03-01-2012 | 02:52 PM
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Originally Posted by youngone2011
3600-3800 stall, tsp 220 cam, 4.11 gears true trac and long tubes 275-45-20 on oem 20's
Theres a half second if you ditch the heavy 20's man. Seriously just grab some stock 17" steelies ( they're surprisingly light ) and some sticky rubber on the back and some light cheapos on the front and LOOK OUT!

Now if you wanna go big pimpin? Go for some lightweight Centerlines ( Not ALL truck Centerlines are light so make sure you get the lightweight ones ) they're usually load rated much less and have 31" or thereabouts tire limitations but in your case? Who cares you just wanna go fast right?

Post up when your do the wheels.

Vids....
Old 03-01-2012 | 03:20 PM
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I have 17" steels with 26" tall slicks for out back but I didn't run them last Friday cuz my tune is set for 31" tires . But yea I would like to be low 8 before spray
Old 03-01-2012 | 05:04 PM
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It'll run like a raped ape with 3600-3800 stall, tsp 220 cam, 4.11 gears true trac and long tubes and 100-150 shot of nitrous for sure..

Old 03-01-2012 | 05:38 PM
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Originally Posted by youngone2011
6.2nalide .... What are your plans for ur rcsb 4.8
Plans will be 4x4 heads cam bigger intake manifold really go out on NA motor 4000k stall built for the 1/8 and maybe a 250shot I really want to see what a stock bottomend 4.8 will do unless the GMT1000 has a new engine to offer I might not do this but I might


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