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Third Generation Duramax Electronics/Tuners Discuss 2006-2007.5 LBZ & LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 10-11-2006, 01:17 PM   #1 (permalink)
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Granatelli Tuner ?

Anybody have any feedback, either first or second hand, on one of these? Their web page makes it sound good, but don't they all?

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Old 10-11-2006, 05:26 PM   #2 (permalink)
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I think the Granatelli is nothing more than a Re-badged programmer from another NAME COMPANY!!!

I seem to remember someoen saying that at least!!!

Not sure!!

-2004.5 GMC SIERRA "LLY", EFILive courtesy of McRat Racing, Tuned by "The Neens", 4" T-409 SS, 285 BFG M/T's
-1990 GMC SIERRA, SAS'ed, TH-350 tranny, HP D60 front / 14-bolt FF rear, 5.13's and 39.5" Boggers
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Old 10-11-2006, 06:17 PM   #3 (permalink)
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it's pretty much the same thing as a predator.
06' Chevy 2500 HD LT3 CC (Black) LBZ
EFI Live
5'' MBRP
EDGE J/A Hot- gauges
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Old 10-11-2006, 06:49 PM   #4 (permalink)
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Rebadged predator!
'06 2500HD LT DMax/Ally LBZ C/C 4x4 L/B Summit White,Dark Charcoal Leather,6 disc CD,Sirius Radio, Line-X bedliner, chrome step bars, Billet Grille & Bowtie, Rancho 9000 adjustable shocks,5000LB rear air bags, BFG 285-75-16 tires, tortions cranked 1 1/2", color matched mirror caps,TTS 4" SS downpipe back exhaust without kitty,EGT Guage, HypertechIII Tuner , Finger stick and Blocker plate, PCV Reroute,4:10 gears, 65 gallon AEROTANK replacement fuel tank,16k 5th wheel hitch,PPE air box mod.Pre-wired for CB radio, 13K cedar creek 5th wheel.MORE TO COME!
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Old 10-12-2006, 12:29 AM   #5 (permalink)
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Buy anything but a Grantelli I spent $400 on a MAF for the Camaro that Lost HP
Blue Meanie 11.36 @ 120.67 448 rwhp/411 tq AFR H/C
Daily Driver 06 LBZ CC/SB "Wendy" 12.50 @ 107.51 SC 1057 & Transgo Jr. & Trans by MikeL, Straight piped, SD Sleeves,true downpipe, Banks Ram-Air & McRat tuning

Big Blue
04 GMC LLY 3500 SRW CC LB 4x4 DA Big Blue 13.12 @ 103.93 466RWHP/928TQ.

McRat's toy-2005 GMC "Casper 2" 2500HD 4wd Xcab SB Mike L. 2 trans, So Cal Diesel internals 10.59 @ 128.9
2007 DHRA Western Pro Street Drag Champion
"Casper" - A/DT & B/DT Record Holder, Bonneville & El Mirage. Best Clocked Speed 197mph, Bonneville '09.
"World's Fastest Production Diesel Pickup - 174.586mph"
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Old 10-12-2006, 12:43 AM   #6 (permalink)
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I have a Granatelli MAF on my LT1. Did I feel a difference? No.
2011 Challenger R/T 5.7L

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