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06-20-2002, 05:39 PM
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#1 |
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Registered User
Join Date: Mar 2002
Location: Agua Dulce, Ca. usa
Posts: 179
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12 bolt 6 to 12 bolt 5 rears
I am new to these rear ends, My boys truck has a whiny 12 bolt 5 lug I can get a 12 bolt 6 lug from a coil suspension truck like his for $100.00. Can we take the axles off the old 5 lug and insert them in place of the 6 lug 12 bolt. What is the chance of redrilling them for the 5 bolt pattern. Thanks for any info. Sorry if this has been covered before. Ed ke6bnl
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Ed ke6bnl Agua Dulce 70 S.E. Los Angeles 70 Chevy short bed 1948 F3 ford pu 1949 F1 stock V8 flathead 3 on floor 1950 F1 pu street rod 1948 F6 Ford Dually/350sbc no bed stock trans&rear 1972 El Camino 4" chop 1953 Chevy 3100 2b daily driver 1970 SB 4X4 400ci 6in lift |
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06-20-2002, 05:44 PM
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#2 |
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Registered User
Join Date: May 2000
Location: Frankfort, Kentucky, USA
Posts: 2,163
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The axles are different lengths. It would probably be simpler and about as cost effective to fix the rear end you have. Its not an easy task to switch rear ends. Not just any place will redrill axles. Then I'm not sure if the brakes will line up the same with different drums. I would just fix the one you have.
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'69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks |
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06-20-2002, 07:20 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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If you get a 1970 rear, it is 6 lug, AND the right width for your 5 lug axles. But ONLY 70 is like this.
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06-20-2002, 10:52 PM
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#4 |
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Account Suspended
Join Date: May 2000
Location: IL
Posts: 0
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70-82 shafts fit in 70-82 housings, i hear that someone put 82-up 10 bolt truck shafts in 12 bolt before, and worked, so must be same length and spline,
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06-20-2002, 11:23 PM
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#5 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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I am not so sure that 1970 is the drop dead date. I parted a 69 C10 and it was identical in width to the 70 and 71 rears I have in the shed. The other idea is after 30+ years you can never be sure what is under your truck. Take a tape measure and make sure. Just check backing plate to backing plate. If it is the same width then the axles will swap out.
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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