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03-30-2004, 03:04 AM
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#1 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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69 K-20 questions
ok, i just bough a 69 K-20
it does have a 14 bolt rear, and a dana 60 i belive because it looks diffrent than the 44 in my 71how do i tell what kind of transfer case it has? and it has a granny 4 speed, and it seems like 4th gear is wrapped out at 45mph...is that 4.56 gears, or what was available?? its kinda odd to, it has no radio, no cigar lighter, no power brakes, no carpet, no aux. gauges, verry low option. it does have havy rear springs, and crazy looking lockouts though i just want to know more about it thanks, zach |
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03-30-2004, 06:31 AM
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#2 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Adam has a 69 and he can answer some questions. As far as the dana60 does it only have 3 u-bolts total holding the axles to the springs and 2 studs in the pumpkin? If not it's either a dana 44 or a newer 10 bolt. Does it have disc up front?
As far as the RPMs what size tires? I have 4.10s and 33s w/ 4 speed and turn about 2800 rpm @ 65mph. Having crazy lock outs would steer me away from saying it's a dana 60. Is it a big dial, the whole end rotates with selectro on it?
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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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03-30-2004, 02:20 PM
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#3 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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it says on the glovebox door its got "spicer" lockouts, and the decal also says dana on it. it actully does mont to the springs just like my 44 on the other truck. the lockouts are bigger, and 8 lug, but the actual part you turn is smaller than my 71
its got drum brakes, unfortunately...but it seems to stop good, for manual drums anyway. |
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03-30-2004, 03:05 PM
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#4 |
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user # 2756
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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With the drums it's a dana 44, with ti sounds like aftermarket hubs. I'll take a pic of my 70 and 71 hubs. Ones stock for 70 the other aftermarket selectro. The spicer will be like my 70s.
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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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03-30-2004, 03:31 PM
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#5 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Here is a pic of my 69's Dana 44.
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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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03-30-2004, 03:38 PM
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#6 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Here is a sticker showing the Rockwell shift pattern.
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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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03-30-2004, 03:42 PM
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#7 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Do your lockout's look like these? These are on my Dana 44.
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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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03-30-2004, 03:44 PM
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#8 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Lastly, here is a pic of the Rockwell that your truck should have, unless replaced with something else.
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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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03-30-2004, 10:24 PM
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#9 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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yep those are the lockouts, and the front axle and shift patter are the same also, and i counted the bolts on the rear...10 bolts, but its got a drain plug in the cover just like the front does.
heres some pics http://pic1.picturetrail.com/VOL136/...1/49742982.jpg http://pic1.picturetrail.com/VOL136/...1/49742978.jpg http://pic1.picturetrail.com/VOL136/...1/49742975.jpg |
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03-31-2004, 12:20 AM
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#10 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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is the rear diff round in shape or is it shaped like the dana 44 pictured above? if its round, then you have the HO52...if it looks like the dana 44 above, then it is a dana 60 rearend.
also, GM didn't put dana 60's into trucks until 76 or 77 (unfortunately). so it is most likely that you have a dana 44 with closed knuckles and drum brakes.
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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03-31-2004, 01:56 PM
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#11 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,686
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Here's the rear end 1969 GMC is referring to.
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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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03-31-2004, 06:43 PM
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#12 |
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user # 2756
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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here's the selectro hub
1
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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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04-02-2004, 07:49 PM
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#13 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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its got a dana 60 rear, and the lockouts like yukon jacks.
what are the suspension differences between the k-10, and k-20? beefy supension? cuz the 20 sits taller than the 10, with the same tir height |
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