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Thread: 95 Z71 Heavy Half??
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03-29-2009, 04:27 PM #1Jr. Apprentice
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95 Z71 Heavy Half??
Hi All, first post and question. I've been told by my mechanic that I have a 3/4 ton - ton frame under my 1500. It has a couple of plastic tabs in the frame marked HD and I have noticed in my repair manual that there is a C3HD model. It is not mentioned often in the manual is this a "rare" thing? My VIN say's that my truck is just a normal 1500 but looking at the suspension you can tell that it's beefed up. If this is a heavy half would there have been any engine modifications to it? I would like to put a 383 in it as the 5.7 has 204,000 on it and is getting a little tired( doesn't burn oil though!) Any thought's on this being a rogue model? What have I got exactly? Any suggestions on the 383 swap? I will probably keep the stock 5.7 and re-build it and swap them as necessary. Thanks!
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03-29-2009, 07:09 PM #2Legend
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Welcome to the forum. Do you have 6 lug or 8 lug axles on there?
Dan
1999 GMC Sierra 2500 350 vortec
1967 Jeep M725 ambulance 230 tornado
1990 Cherokee Limited- 3 inch lift on 33's
...and every one of em has issues
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03-29-2009, 07:46 PM #3Legend
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Call a dealer's shop, give tem the vin and they can tell you wat the truck was when it rolled off the line.
Trevor - Huntington Beach, CA
2007 GMC 2500 4X4
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03-29-2009, 09:17 PM #4Legend
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welcome to the site
2003 Z71 Silverado LS
Access roll up cover
Bed Rails
Billet Grill insert
Bed Rug
CB with PA system
Waiting to be installed
Two 8in RF HX2 punch( would have 12s but they got stolen)
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03-29-2009, 09:26 PM #5Moderator
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Welcome to the site!
Darcy
Washington State
2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.
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03-29-2009, 10:33 PM #6Legend
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Welcome to the site! There were some 'light duty" 3/4 tons sold in '95, but I don't know of any "heavy duty" 1/2 tons. The "VIN" should "tell the tale"!
2010 Z/71 Colorado C/C
Black 4X4 w/5.3L V8
===============
2007 Winnebago Adventurer
w/8.1L Chevy & Allison 6spd.
Canyon Lake, Texas
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03-30-2009, 01:50 AM #7Legend
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Welcome to the site!!!
BRYAN
"IF YOU DON'T TREAT IT LIKE A TRUCK IT'S JUST A REALLY BIG CAR"
02' Avalanche 2500 Onyx Black
8.1L Vortec
43,000 miles
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03-30-2009, 05:47 AM #8Legend
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Welcome to the site!
Matt
Hallsville, TX
2005 Silverado 1500 LS Crew Cab 5.3L 2WD
K&N FIPK II
Magnaflow Exhaust
Hypertech Max Energy Programmer
Suspension Leveling Kit
Putco Element Window Visors
Carriage Works Billet Grille
TruXedo TruXport Tonneau Cover
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03-30-2009, 06:54 AM #9Jr. Mechanic
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Welcome aboard. 'T'is mystery all.
Paul
Honda XRV750
Honda XL1000V
1969 Fiat 500
1998 Suburban K1500
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03-30-2009, 08:48 AM #10Legend
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There's probably more to it than anyone realizes. I know exactly what you're talking about, because my 2002 1500 Avalanche has the same little gray plastic tab on the frame that says HD on it. Suspension-wise my Avy is definitely a 1500, of that I have no doubts.
You might want to message 84Fiero123 and ask him. I haven't seen him online much lately but he used to work the assembly line at GM and might have some insight into what that's about.Patrick
Rhode Island
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