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#1 |
Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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I know nothing about 4x4's ....can you tell what Ive got?
Any help would be great.......I am going to put lock outs on it and I was told with one of the cases you also had to do something inside the case along with the hubs........can you tell what I have? Do I need to change anything else?
Its in a 72 but I dont know if its original to the truck. Hi,Hi lock, neutral, low, low lock.
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2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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#2 |
Senior Member
![]() Join Date: Apr 2000
Location: madison indiana
Posts: 3,839
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Re: I know nothing about 4x4's ....can you tell what Ive got?
looks like a np203 full time 4x4 case.not factory. there is a kit you can buy to be able to disingage the full time 4x4 option.
btw nice truck..
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jamie72 72 BB cheyenne -- Restoration getting started.. member #807 http://www.myspace.com/whitetailobsession www.antlertalk.com |
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#3 | |
Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: I know nothing about 4x4's ....can you tell what Ive got?
Quote:
It is definatly all time 4x4. Any links to a recomended 'kit' source would be appreciated
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2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! Last edited by 72freak; 05-29-2008 at 02:26 AM. |
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#4 |
SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,049
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Re: I know nothing about 4x4's ....can you tell what Ive got?
I can't tell in the picture if it has a small round access panel between the output shaft and the large round cover. It looks like an NP203 (so is the shift pattern) but if it has the access cover, it's a NP205,
This is an NP205; ![]() Also, the shifter pattern is different on a NP205 vs an NP203; NP203 ![]() NP205 ![]() The NP205 is a gear driven, part-time 4wd case and would be stock for that truck. The NP203 is a full-time, chain driven case produced for later generation Chevy trucks. Mile Marker makes conversion kits to make them part time, but if you do that, you do need to put it into 4wd on occasion because they use the chain to fling lubricant inside the case. More about the two - http://www.chuckschevytruckpages.com/drivetrains.html
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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#5 |
Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: I know nothing about 4x4's ....can you tell what Ive got?
few more
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2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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#6 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,858
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Re: I know nothing about 4x4's ....can you tell what Ive got?
Yeah,it`s the 203 and you have full-time 4wd,as it is right now.Check with Milemarker or...who else these days??
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#7 |
Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: I know nothing about 4x4's ....can you tell what Ive got?
I can tell you what you have..... one sweet rig!!!!
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-Nate ![]() 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) |
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#8 |
Registered User
![]() Join Date: Apr 2007
Location: Foster Rhode Island
Posts: 1,176
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Re: I know nothing about 4x4's ....can you tell what Ive got?
If you put on lockout hubs and unlock them without doing that conversion to the transfer case the truck wont move at all.Saw a couple of guys do that.
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#9 |
Well, Whoop-dee-do!
![]() Join Date: Mar 2003
Location: Easton, Mo. pop.- me & scarcely a few others
Posts: 2,302
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Re: I know nothing about 4x4's ....can you tell what Ive got?
Yep it's a 203. Not sure who all makes the kit anymore. It's pretty easy to do- only the rear output housing needs removed to do it. It involves removing the spider gears & putting a "lock" in. Some kits had four locks to replace the four spider gears, others had a one piece ring. try to find the one piece style. They seem to "clunk" less on accel/decel. Proper shimming is important & described in the instructions.
One thing to be careful of- needle bearings. They can fall out everywhere when you tear into it, and fall into the case. 203's have over 100 of them IIRC.
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'68 GMC shortbox 4x4 350/SM465/T221- bought it in '83 SOLD ![]() '72 K20 500 Cad/TH400/NP205 SOLD ![]() '92 Chevy 2500 6.5 mech TD 4L80E crusty daily driver '72 Monte Carlo... sweet low mile toy '11 Dodge Challenger IE 392 6spd... midlife car ![]() |
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