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Old 07-30-2011, 03:49 PM   #1
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Default 4.8 turbo dyno numbers

dyno' d my truck today at xessive, truck made
674rwhp@6442rpm /573 rwtq on boost only tryed spraying 50 shot but turned it off around 5800 rpms cuz it was leaning out truck was peeling off when it was doing the dyno pull so it should be more power than what it read not bad for a stock bottom end 4. 8 litter with some boost i guess we need to upgrade the stock fuel lines to a -8 an line so it can feed the hungry little 4. 8



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1.68 60ft , 6.9@105mph 1/8th, 10.6 @132mph 1/4mile
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'07 monte carlo ss , cai only for now

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Old 07-30-2011, 03:52 PM   #2
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how much boost was you pushing...and what kinda set up are you running....oh and congrats man
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Old 07-30-2011, 04:37 PM   #3
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Also curious on the specs! Ill be happy just to get over 450/450 at the tires when I get my build all done.
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'00 5.3L Z71, BlackBear 93 tune, Isky "triple 12" cam, milled 862s ~10:1, walbro 255, e-fans, SLP CAI, 2.5" bullet dumped, lift block delete
1/8 @ 9.85/71.67/4WD pre cam - New track times soon! 300hp/310tq on crappy base tune.
To be installed: truetrac, moser girdle/studs, 2" shackles/keys, 40k, vette 2nd/billet 4th servos, HD2, 60# injectors and KBracing MP70 I/C kit
30-90 pull-http://www.youtube.com/watch?v=f8J4TvPSm18
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Old 07-30-2011, 05:06 PM   #4
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Good to know I still got some head room. What fuel you running? Great numbers bud, I'm sure the tq graph looks good if you hit it with a 50 down low. Look forward to seeing the graph and new 1/4 mile times. I'm thinking some 10.5-10.6x
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Old 07-30-2011, 05:10 PM   #5
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Right now its at 18psi, we gotta fix the fueling issues and make some passes on 18psi and the nitrous. Setup is a stock 4.8, stock heads and bolts, 90mm tb with 07+ intake, 220/220 cam transmission is a stock 4l80e on stock converter.
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New setup 5.3 self ported 706s, pt88 10.01@135mph on drag radials. Best sixty 1.48 60'
http://www.youtube.com/watch?v=d4ZEt5RLOUw


Cam only, stock heads 4.8L 10.79@129mph with 4l80e

http://youtu.be/a1PgnXdyKtk
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Old 07-30-2011, 05:34 PM   #6
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what size turbo?
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'00 5.3L Z71, BlackBear 93 tune, Isky "triple 12" cam, milled 862s ~10:1, walbro 255, e-fans, SLP CAI, 2.5" bullet dumped, lift block delete
1/8 @ 9.85/71.67/4WD pre cam - New track times soon! 300hp/310tq on crappy base tune.
To be installed: truetrac, moser girdle/studs, 2" shackles/keys, 40k, vette 2nd/billet 4th servos, HD2, 60# injectors and KBracing MP70 I/C kit
30-90 pull-http://www.youtube.com/watch?v=f8J4TvPSm18
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Old 07-30-2011, 05:38 PM   #7
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Damn thems sum numbers!

I should have swapped in a 4.8 !
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11.6@114@12psi no meth 1.6 60'-new times coming.
627rwhp-615tq 2nd gear dyno pull .
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Old 07-30-2011, 05:44 PM   #8
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ive herd of stock bottom ends letting go after 10psi just wondering how stock?
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Old 07-30-2011, 06:00 PM   #9
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When did he go WOT? That graph is not at all what I expected.
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Old 07-30-2011, 09:51 PM   #10
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Awesome numbers.
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Old 07-30-2011, 09:51 PM
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