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04-03-2007, 02:12 PM
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#1 |
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Registered User
Join Date: Apr 2007
Location: Nebraska
Posts: 4
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New Forum member
Hi guys! I just bought my gem. '70 K10 truck. I know a little about it and was hoping you could help. It has a 350. What transfer case does my truck have? It has manual locking hubs and an automatic trans, probably a th350. I cannot figure out the 4x4 shift pattern as I cannot find a definate answer anywhere else. I paid 375 for the truck and it runs. I am currently rebuilding the brakes on the front. What kind of axle ratios are in the rear gears? I have a 12 bolt. Is the rear end posi or not? Just some beginner questions I am asking here
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04-03-2007, 02:16 PM
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#2 |
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On the fast track to nowhere..
Join Date: May 2006
Location: Splendora, Texas
Posts: 5,316
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Re: New Forum member
 from South Texas. With trucks as old as these you can't be sure what came in it is still there but I'm sure some of the more "seasoned" members will chime in with some ideas on what might have came in it from the factory. You might also want to post up your vin.
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-Mike Owen- Norwood, Houston, Cecilia, Jackson, Monroe and counting Last edited by BACKYARD88; 04-03-2007 at 02:17 PM. |
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04-03-2007, 02:16 PM
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#3 |
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Self-proclaimed LED man
Join Date: Nov 2003
Location: Harrisburg, Missouri
Posts: 1,021
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Re: New Forum member
Welcome to the board!! If it is a factory posi rear end, it will be listed as an option on the glove box sheet.
Justin
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My LED Website My Photobucket Album of LED's Ask me about hand-made custom L.E.D brake and reverse lights. <- LINK I also do LED: -Third Brake/Cargo -Brake (truck and burb) -Reverse (truck and burb) -67-68 Front Turn Signals -69-70 Front Turn Signals -71-72 Front Turn Signals -GMC Front Turn Signals I can also do custom lights for other vehicles....i did a set for a AMC Gremlin once Norwood Survivor Last edited by 724x4a/cchevy; 04-03-2007 at 02:17 PM. |
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04-03-2007, 02:21 PM
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#4 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,664
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Re: New Forum member
If original, it's an NP205. Shift pattern from front to back is:
4Lo N 2Hi 4Hi Again if original drivetrain and no optional ratio on SPID label, a K10 V8/Th350 would have 3.07 gears. Of course over the years anything could have been swapped in
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter  Maybe I need to sell some of this crap  Yet another Bozo with a sawz-all |
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04-03-2007, 02:40 PM
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#5 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: New Forum member
WELCOME!!Check for a red plastic tag on one of the rear cover bolts,it could still be there from factory.
Check ratio real easy(and for posi): *Make a mark on the tire and the groung in the same spot. *Jack up one rear wheel.Does it spin?Not posi. *Make a mark on the deflector behind where the u-joint is and on the differential at the same point. *Spin the tire and count how many times the driveshaft spins for one spin of your tire. If it turns just past 3,it`s a 3.07 If it turns just shy(about a 1/4 turn)of 4,it`s a 3.73 If it turns just past 4,it`s a 4.10
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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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04-03-2007, 02:52 PM
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#6 |
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Registered User
Join Date: Mar 2007
Location: Eugene, Oregon
Posts: 103
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Re: New Forum member
From a new guy! Thats some good info special-k, i have been wondering the same thing, and will have to try that out.
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04-03-2007, 07:01 PM
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#7 |
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Registered User
Join Date: Apr 2007
Location: Nebraska
Posts: 4
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Re: New Forum member
Thanks guys. I'm going to take my truck for it's maiden voyage with new brakes tonight after i get everything finished.
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04-03-2007, 07:23 PM
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#8 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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Re: New Forum member
Welcome to the board from South Mississippi! Post up some pics!
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal.  We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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04-03-2007, 07:38 PM
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#9 |
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Senior Member
Join Date: Mar 2007
Location: VANCOUVER ISLAND, B.C., Canada
Posts: 1,602
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Re: New Forum member
 Welcome from Vancouver Island, B.C. Canada. We like pictures so take a moment and post a few .... catch ya later. esll.
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Tomorrow is for doing today's stuff.  ************************************* This truck has just the right amount of energy for me! Author: Warren Lake .... (member) |
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04-03-2007, 08:18 PM
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#10 |
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Registered User
Join Date: Mar 2007
Location: Monroe NC
Posts: 62
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Re: New Forum member
You found a goldmine here man, welcome!
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69 C10 a long way from done |
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04-04-2007, 10:00 AM
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#11 |
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Post Whore
 
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: New Forum member
Welcome to the board - look forward to seeing some pics of you K10.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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04-04-2007, 11:02 AM
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#12 |
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Registered User
Join Date: Jan 2007
Location: Canton, TX
Posts: 210
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Re: New Forum member
Welcome from East Texas, we love pictures around here!!
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1969  Custom w/Turquoise Interior. 75k miles, 350 Auto, (Almost) All Original 
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04-04-2007, 11:30 AM
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#13 |
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Senior Member
Join Date: Nov 2006
Location: Yukon Oklahoma
Posts: 2,647
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Re: New Forum member
Welcome from Oklahoma
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Happiness is towing your "new" truck home. 1972 C-10 1982 GMC (parts truck??)  1969 c10 parts truck 1969 C-10 ( my sons) 1992 Silverado 4X4 (now the boys truck)(now mine again )2002 Tarus (my wife loves that car) |
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04-06-2007, 09:57 AM
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#14 |
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Join Date: Dec 1999
Location: Eastern - Manitoba Canada, Winnipeg
Posts: 4,369
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Re: New Forum member
Welcome from Eastern Manitoba Canada.
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Senior active founding member. 70 3/4 ton GMC Suburban 4x4 250/4 spd. 71 1/2 ton Suburban Chevy 4x4, 350/350 72 Chev 1 ton tow truck 402BB w/Holmes 440 wrecker on propane 2005 FLSTSCI Harley Springer 85 FXSB Harley Lowrider 72 Triumph 650 Bonneville 5spd "Poor people don't have hobbies" Quote from wife. |
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04-06-2007, 11:01 AM
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#15 |
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Registered User
Join Date: May 2006
Location: at work
Posts: 2,552
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Re: New Forum member
Welcome--lots of great people with a wealth of knowledge that should be able to help you!
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R.I.P. Killer 71 10/26/07 |
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