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#1 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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help with c30
i got a 69 c30 and dont know what to do with it yet
![]() ![]() how can i tell what gear is in the rearend of it or do i have to take the cover off to see ? how hard will it be to make a 4x4 out of it ? i have got a tranny and xfer case and a 8 lug 10 bolt for the front end out of a 77 3/4 ton truck can i take the spring purches of the 77 and put them on the 69 ? do i need to use the 14 bolt rear out of the 77 too ?if so where can i get a duelly conversion kit for it ? ![]() |
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#2 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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anybody ?
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#3 |
user # 2756
![]() Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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is it a daully c30? probably has 5.14 gears. You could jack up one tire and rotate the wheel twice and count the number of times the driveshaft turns, little over 5=5.14 right at 4.5=4.57 or just over 4= 4.10.
yukon jack has a buddy that has converted a 2wd C30 to a 4wd. PM him.
__________________
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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#4 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
i will get pics as soon as the batterys charge
and i dont think the rear is factory from the looks of the rear of the frame it was a dump truck at one time and thanks i will pm him |
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#5 |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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if the rear axle isnt too rusty, the gear ratio might be stamped on the outside of the third member. both of the third members I have are this way.
__________________
1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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#6 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
ok i will look when i get the pics ,thanks
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#7 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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You could give it to me!!
![]() http://67-72chevytrucks.com/vboard/s....php3?t=140970 http://67-72chevytrucks.com/vboard/s....php3?t=126946
__________________
'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! Last edited by 67_C-30; 02-23-2005 at 08:19 PM. |
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#8 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
give it to you
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#9 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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I've got a couple of duallys.
They usually have some sick ratio in the rearend like 4.56 or 5...something. What I did was to pull a center section out of a 3/4 ton rearend and put it in. That got me a 4.10 ratio, which isn't great, but better. The centersection swap is dead easy. Just unbolt the axles and pull them out a few inches, then unbolt the center section. It will drop onto the ground. The dually has an HO72 rearend and the 3/4 ton has an HO52 rearend. But, the centers swap directly without mods. The HO72 dually rearend is hypothetically somewhat stronger, but it's splitting hairs in my opinion.
__________________
I'm on the Instagram- @Gearhead_Kevin |
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#10 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
this rear looks alot bigger than a HO72/52 to me, it looks like what ya find under dumptrucks or school buses
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#11 |
user # 2756
![]() Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Is the cover removable? If not its a H110. the no-spin is still available for it.
__________________
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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#12 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
ok i got batterys for the camera and heres pics of the rear end . what is it ?
wheels ![]() rear end ![]() |
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#13 |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
can a 78 4x4 front end be used under the a 2 wheel drive 69 c30 if i use the 4x4 front springes and purches from the 78 ? anybody did this ?
69 front end ![]() 78 front end ![]() 78 front spring rear mount ![]() 78 front spring front mount ![]() |
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#14 |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
|
yup, thats the H110. it was an optional rear axle for the C30 series. 11,000# capacity
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__________________
1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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#15 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
|
Wow! I didn't know you could get a 1 ton with that rearend. What size rims does truck have??
__________________
'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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#16 | |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
Quote:
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#17 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
|
Are you going to put a bed on it, or leave it as a flatbed?
__________________
'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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#18 | |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
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#19 | |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
Quote:
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#20 |
user # 2756
![]() Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
|
Probably has 5.13 gears. The no-spin is still available for that rear also.
__________________
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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#21 | |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
|
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