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#1 |
FUEL CELL GURU
Join Date: Aug 2003
Location: Mineola, Texas
Posts: 993
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C20 Rear...
Do the C20 diffs have bigger axles that the C10's?? That may be what I have... I need a C10 rear 6 OR 5 lug. If the C20's have bigger axles, then that would explain why the 5 lug axles I have won't fit the diff that I currently have. Maybe I just confused everyone.
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#2 |
Got Light Emitting Diode?
Join Date: Apr 2004
Location: Newberg, OR
Posts: 2,485
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i am not confused, i just dont have the answer for you
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1968 1/2 ton 2wd lwb 6 lug disc and bags up front. Next c notch and rear bags '02 Chevy Silverado LT ext cab short bed 2WD 5/7 drop on 22's ![]() 1993 Cherokee work ride/weekend wheeler |
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#3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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The c/20 axle is nothing like the C/10 axles.
The 20 bolts to the hub and has splines on the oposite end. a 10 axle has splines on the inner end, and a c clip on the same end to retain it. |
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#4 |
FUEL CELL GURU
Join Date: Aug 2003
Location: Mineola, Texas
Posts: 993
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Was there a C10 "Heavy Half"?? or maybe a C10 Camper Special??
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#5 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,553
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Not very likely.
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#6 |
Cause the Chicks DIG IT!!
Join Date: Nov 2003
Location: Beaufort SC
Posts: 509
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hey fuelcell guy i seen your wanting to buy 5 lug 12 bolt rearend in the parts board. I'm up in Oklahoma City and I might have one for you, but its at my buddies junkyard. I'll ask him tomorrow and see if he still has it and then i'll let you know.
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#7 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Heavy half....that was later...late 70's early 80's.
Custom Camper...nothing but HD springs, shocks tires and a sway bar. That's it. |
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#8 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Some 1/2 Tons came with 12 bolt GM rears and some had Dana 44's. That may be your problem. You may have Dana 44 axles and a 12 bolt rear, or vice versa. Look at you rear diff and count the bolts. If it has 12, it is a 12 bolt (you probably had that covered, huh?
![]() DANA 44 12 BOLT
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'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; 06-02-2005 at 11:44 PM. |
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#9 |
FUEL CELL GURU
Join Date: Aug 2003
Location: Mineola, Texas
Posts: 993
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67_C-30, I know for a fact that it is a regular 12 bolt. I could use the diff that I have but I would have to have the axles redrilled.
WRMZ71, yea, check into that if you will. Thanks to all, Mark ![]() |
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#10 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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How are the axles too big? Too long, Too big around, What?
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#11 |
FUEL CELL GURU
Join Date: Aug 2003
Location: Mineola, Texas
Posts: 993
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The ones in the housing now have a larger diameter spline than the one I bought that were supposed to be 71-72 axles. That's kinda where I am at.
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#12 |
Cause the Chicks DIG IT!!
Join Date: Nov 2003
Location: Beaufort SC
Posts: 509
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fuelcellguy - My buddy knows he sold one of those 12 bolt 5 lugs but think he might have one left. I'll let you know as soon as I do.
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