10-10-2009, 09:27 PM | #1 |
Junior Member
Join Date: Sep 2005
Location: Fresno,California
Posts: 224
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Junkyard find...
I found this rearend at the junkyard and brought her home. It will be replacing the one I now have that has 6.17 gears. I am not that familiar with this new one. I got it because it has 4.56 gears and the width and lugs were the same. I didn't really know what brand it was until I got it home and started doing some research. It appears it is a Dana 70HD. Opinions, thoughts, concerns.......are welcomed.......Flat67
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10-11-2009, 10:29 PM | #2 |
70 Chevrolet=Obsession
Join Date: Jun 2009
Location: nice ca
Posts: 1,067
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Re: Junkyard find...
That looks like it's out of a much newer truck than ours unless the PO added disk brakes to the rear. I would be concerned about how many modifications would have to be made in order for it to work in a 67-72 truck. Just my .02.
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I'm Just like my truck. Old, Ugly and Grouchy. Except my truck starts easily in the morning and doesn't smoke! IT'S NOT EASY BEING GREEN! -Kermit the frog 1970 Chevrolet C-10 Longbed Stepside : 350, Muncie M20, 3.08 GM corp. positraction Forest green exterior/light green interior(Where all my money goes) 1996 Toyota Corolla (Parts runner) |
10-11-2009, 10:58 PM | #3 |
Currently Blazerless
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Location: St. Joseph Mo.
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Re: Junkyard find...
Looks like a stout rear axle! it should be good for what you need if the width is right. I notice its a 10 lug axle..is it going in a C/40 truck?
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1972 C/30 133" W.B. C&C 1970 GMC 3500 157" W.B. single wheel C&C |
10-11-2009, 11:02 PM | #4 | |
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Location: Fresno,California
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Re: Junkyard find...
Quote:
The rearend came out of a 1986 Big A## Motor Home. Im hoping that only the driveshaft/u-joint will have to be changed out. I don't know how the brakes will work out seeing how I'll end up with drum front and disc rear for now. But, I guess I'll soon find out........Flat67 |
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10-11-2009, 11:12 PM | #5 |
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Re: Junkyard find...
Mr Blazer,
The rearend is going into my 67 C30. It came stock with 10 lug rear and 5 lug front......Flat67 Last edited by Flat 67; 10-11-2009 at 11:13 PM. |
11-01-2009, 12:38 AM | #6 |
Jonny
Join Date: Apr 2008
Location: Outside the Box, Austin,TX
Posts: 741
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Re: Junkyard find...
Does your truck have an I-beam type front axle? The newer 88-98 3500hd's have one and they are set up with 5 on the front and 10 on the rear. If I remember correctly they also run Dana 70 disc brake rears. Could be a good source for getting the parts to get your brakes working right.
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11-02-2009, 04:32 PM | #7 |
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Re: Junkyard find...
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RN U OVR |
11-02-2009, 10:08 PM | #8 |
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Re: Junkyard find...
The rear disc conversion shouldnt be too difficult, mainly an adjustable proportioning valve. I would look into front discs from a 71-newer. 4 wheel discs! sweet!
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11-02-2009, 10:24 PM | #9 |
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Location: Petersville KY
Posts: 673
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Re: Junkyard find...
That Dana 70HD is a monster of a rear end, just about as bulletproof as you can get in a lightduty truck. I think if you can find front disc to fit having 4 wheel disc on your truck will be awesome, makes me want to build a ton!
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Rob 72 C/10 (under reconstruction)(destruction ? LOL) 48 Willys CJ2A 1952 Super "A" Farmall (Grandfather's) |
11-03-2009, 01:36 AM | #10 |
Andy
Join Date: Feb 2009
Location: Cleveland, GA
Posts: 224
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Re: Junkyard find...
Our 69 D300 has a Dana 70 in it. 10.5" ring gear, 4.88 posi. Super stout rear. I pulled the axle out of one side to install a speedi-sleeve so that the wheel seals would quit leaking due to wear on housing...and the axles were huge. They dwarfed the dana 60 axles in my 'Cuda.
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1967 Camaro SS 406|522hp/514ft lbs|M20 Muncie|3.73s|Posi 1969 CST/10 383|Aisin AR5 5 speed 1972 K5 350|Turbo 350 4x4 2005 Duramax 2500HD 4x4 |
12-05-2009, 08:39 PM | #11 |
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Location: East Bay,CA
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Re: Junkyard find...
That was one Sweet find! I hope to own a 4 wheel disc C40/50/60 some day! Keep us posted on your progress
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