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02-04-2004, 03:42 PM
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#1 |
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Out draggin'
Join Date: Jan 2004
Location: Pitman,NJ
Posts: 1,574
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"Power Lock Differential" option...
I assume that means Positraction???? How do I go about finding the gear ratio out as it is not listed on the glovebox door(it does say "Powerlock Differentail").
It is from a C-20 suburban, BB,auto. How much are these rears selling for as I would like to unload the rear & the discbrake front clip to cover some of the cost of this sub. Thanks- Joe
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91 GMC Xcab LB-Bags/bd/caddy clip SOLD 72 C10 Cheyenne Super LWB SOLD 92 GMC K1500 Burb 72 C10 Burb (ex. Cheesewagon)SOLD 72 C20 Burb parts truck 71 C10 Burb "project" |
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02-04-2004, 04:35 PM
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#2 |
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Senior Member
 
Join Date: May 2001
Location: Independence MO.
Posts: 7,697
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If it dosen't say a gear ratio on the glove box sticker and it is a factory big block it should have a Dana 60 axle with a 3:54 gear. That should bring good money.
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72 3/4t Custom Deluxe 402/auto 66k Original paint 71 3/4t 4x4 Custom Deluxe 10k original miles Original paint 71 3/4t Cheyenne 402 70k original paint 72 3/4t 4x4 Custom deluxe 72 3/4t 4x4 Custom deluxe 91k original paint 72 Cheyenne/30 Dually 69 Camaro SS396 4-speed 13 GMC 2500HD Duramax I bought new 05 Jeep Wrangler "Willys Edition" 12k miles (I bought new) 85 3/4 ton 4x4 Scottsdale 33k miles original paint 86 1 ton 4x4 SRW Silverado 454 restored 80 1 ton 4x4 SRW Silverado 9,434 original miles!! original paint 95 GMC 1 ton dually 4x4 my dad bought new 95 GMC 3/4 ton 4x4, regular cab 454, 31k original miles 2002 2500HD 4x4 regular cab 6.0L 67k miles 2002 2500HD 4x4 regular cab 8.1L 28k miles 2003 GMC 2500HD 4x4 regular cab Diesel 93k miles 67-72 Parts for sale |
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02-04-2004, 10:02 PM
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#3 |
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user # 2756
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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The powr-loc can be rebuilt. I have a scanned in copy of the manual in the link in my sig. Yes it's a clutch type. tested mine per the manual and it's still tight. the powr-loc is about as tight as you can get with out going to a locker.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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02-05-2004, 09:51 PM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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If it has a Dana rear axle and some monkey hasn't been inside it, it has a metal tag on the diff with the gear ratio actually stamped on it. At least the ring and pinion numbers and you can do the math. I have seen both style tags.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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02-05-2004, 10:52 PM
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#5 |
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Registered User
Join Date: Aug 2001
Location: Rocky Mount, MO
Posts: 1,293
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