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Old 08-06-2009, 10:35 AM   #1 (permalink)
JST
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Stock Lb7 Turbo With Bigger Wheels

At the track last night it ran a 12.3 at 109/110,not bad for a old truck with 344,890 miles,the turbo has bigger wheels and puts out 35/37 lbs boost,the tuning was good and put down 1.777 60ft,I think that the trans needs to be tuned in a bit and it will go 12.2 ?
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2002 GMC 2500HD 4x4 SCLB,6487 LBS,STOCK MOTOR WITH TOMAN EFI TUNING,STOCK INTAKE,TURBO STOCK ,FASS 150,M/A TRANS,STOCK EX. WITH FLOWMASTER MUFFLER,AUTO METER FUEL PSI AND BOOST,12.3 AT 109 ON A GOOD DAY IT'S MY WORK TRUCK,19 TO 22 MPG WITH ME DRIVING,THE TRUCK (OLD RED )HAS 534,000 MILE AND LOVING IT,265/75/16,WAS ON THE DYNO 9/10/11 AND OLD RED PUT DOWN 527 HP WITH 980 TQ,shocks rs-9000
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Old 08-06-2009, 10:43 AM   #2 (permalink)
KEVINL
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Nice

343,000 miles is a ton
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Old 08-06-2009, 12:39 PM   #3 (permalink)
duramaxdiesel
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Wow 12.3 is really good! Especially for a truck with that mileage
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Old 08-06-2009, 07:05 PM   #4 (permalink)
diamondshocks
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the little guys really go. here is a pic of one i built.
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Stock Lb7 Turbo With Bigger Wheels-turbo2.jpg  
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Turbo: SDP 64.5mm
Transmission: Stock, soon to change
Suspension: Firestone Air Bags, add a leaf, shock extenders, tie rod sleeves
Tires: 255/85R16 BFG KM2
Exterior: Stainless rocker panels, Stainless punched grill, TTT-Mirror pull out towing mirror (highly recommend over any other mirror period), Spray in bed liner, B&W Hitch

Last edited by diamondshocks; 08-07-2009 at 03:57 PM.
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Old 08-06-2009, 10:29 PM   #5 (permalink)
RodZZilla
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Congrats! You are going to have to update your sig.
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Old 08-06-2009, 10:31 PM   #6 (permalink)
TIM Z
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Awesome! Did you mod the turbo yourself?
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Old 08-06-2009, 10:41 PM   #7 (permalink)
Mike_S
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Yeah, please give some more info on the turbo of yours...I'm interested...
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Old 08-07-2009, 09:00 AM   #8 (permalink)
dmaxvaz
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Quote:
Originally Posted by diamondshocks View Post
if you guys want to know about mine just send me a PM. or check out DF
I am the person that modded JST's turbo, pm me if you want more details. also diamondshocks- quit derailing somone elses thread to pimp your stuff.
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02 2500hd 4x4 ccsb d/a, twin compound turbos by me (S480 AND STOCK IHI WITH 40mm JGS WG, 45 PSI BOOST), TOMAN TUNING dsp5, banks 4" exhaust, suncoast 4 w/1057, LBZ cp3, superdiesel manifold, edlebrock 1792 lp, nicktane filtration, cognito braces, fabtech inner/outer tierods, superdiesel super centerlink, rancho rs9000xl shocks, 305/70/16 hancook a/t, bushwhaker cut out flares, energy suspension poly bushings upper and lower control arms. line-x from body line to rockers, and a roll pan. all play and less work! special thanks to: eric at merchant automotive, michael oakes from super diesel, tim kahalisky from hi-tech transmissions, and jeff toman from toman industries, and turbo6.5joe(my bro)

Last edited by dmaxvaz; 08-07-2009 at 09:04 AM.
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Old 08-07-2009, 11:18 AM   #9 (permalink)
JST
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Quote:
Originally Posted by TIM Z View Post
Awesome! Did you mod the turbo yourself?
Yes
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2002 GMC 2500HD 4x4 SCLB,6487 LBS,STOCK MOTOR WITH TOMAN EFI TUNING,STOCK INTAKE,TURBO STOCK ,FASS 150,M/A TRANS,STOCK EX. WITH FLOWMASTER MUFFLER,AUTO METER FUEL PSI AND BOOST,12.3 AT 109 ON A GOOD DAY IT'S MY WORK TRUCK,19 TO 22 MPG WITH ME DRIVING,THE TRUCK (OLD RED )HAS 534,000 MILE AND LOVING IT,265/75/16,WAS ON THE DYNO 9/10/11 AND OLD RED PUT DOWN 527 HP WITH 980 TQ,shocks rs-9000
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Old 08-07-2009, 11:22 AM   #10 (permalink)
JST
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Quote:
Originally Posted by dmaxvaz View Post
I am the person that modded JST's turbo, pm me if you want more details. also diamondshocks- quit derailing somone elses thread to pimp your stuff.
Yes it is going good,I do think that a 12.1 can be had with this set up,this truck has 344,800 mile so I do think that this has a bit to do with how slow it is
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2002 GMC 2500HD 4x4 SCLB,6487 LBS,STOCK MOTOR WITH TOMAN EFI TUNING,STOCK INTAKE,TURBO STOCK ,FASS 150,M/A TRANS,STOCK EX. WITH FLOWMASTER MUFFLER,AUTO METER FUEL PSI AND BOOST,12.3 AT 109 ON A GOOD DAY IT'S MY WORK TRUCK,19 TO 22 MPG WITH ME DRIVING,THE TRUCK (OLD RED )HAS 534,000 MILE AND LOVING IT,265/75/16,WAS ON THE DYNO 9/10/11 AND OLD RED PUT DOWN 527 HP WITH 980 TQ,shocks rs-9000
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