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#1 |
Senior Member
Join Date: Jul 2001
Location: Hughesville, MD
Posts: 1,350
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Hey guys I was woundering if you could help identify this for me. I just got another parts truck today. A 70 3/4 400 custom camper leaf truck. The option sheet lists H D rear axle and rear leaf. But does not give any more info on the rear. Could you tell me what it is and what the likley gears are. I am debating on weither it will stay or go. I bought the truck for the other options (ps, pb, and ac) but if the rear is worth keeping, I will. Thanks in advance for help.
Mario
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Mario and Mandy Hughesville, MD 20637 69 C10 305/350 71 K5 Basket case 75 K10 Rescue **Parting out** 77 MG Midget **Parting out** 15 6.7L Cummins |
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#2 |
Senior Member
Join Date: Jul 2001
Location: Hughesville, MD
Posts: 1,350
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another view
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Mario and Mandy Hughesville, MD 20637 69 C10 305/350 71 K5 Basket case 75 K10 Rescue **Parting out** 77 MG Midget **Parting out** 15 6.7L Cummins |
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#3 |
Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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looks liek a newer style 14-bolt, if you want a real rough count on the gear ratio do the spin trick on it. jack it up spin one of the wheels and see hwo many time the yoke turns. wont be perfect but it gives you an idea.
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#4 |
Senior Member
Join Date: Jul 2001
Location: Hughesville, MD
Posts: 1,350
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Thanks Alex. It is not a 14 bolt but is infact a 10 bolt. I will either do that or just pull the cover and count teeth. I just got it today and that is the only mystery I have with it.
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Mario and Mandy Hughesville, MD 20637 69 C10 305/350 71 K5 Basket case 75 K10 Rescue **Parting out** 77 MG Midget **Parting out** 15 6.7L Cummins |
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#5 |
Project Junkie! Fishing Poor!!
![]() Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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That is a Dana 60 rear end. Probably 4.10 or 4.56 gears. GM put 4.10s under the trucks unless they were Custom Campers, whitch case it probly has a 4.56 or it is a bid block truck, then it would have 3.54 gears. This is just a rule of thumb and by all means is not etched in stone. Also special orders also got the buyer's choice. There should be a tag on one of the rear inspection cover bolts that tells you the gear ratio. Sometimes there is and sometimes not. You could count the teeth on the ring gear then the pinion gear and devide them also. WES www.ClassicHeartbeat.com
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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#6 |
Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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shows what i know, hahahaha..........after i did the post i started to think "didn't they put dana 60's on 3/4ton trucks but i wasnt counting on it..
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#7 |
Senior Member
Join Date: Jul 2001
Location: Hughesville, MD
Posts: 1,350
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Thanks Wes. In all the rear ends I have seen, I have never seen a tag. I still have no idea wht they should look like. Maby one day I will buy a truck that has one. I figure I will pull the cover and count teeth. I can inspect the gears so I know if it is worth selling. Thanks again.
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Mario and Mandy Hughesville, MD 20637 69 C10 305/350 71 K5 Basket case 75 K10 Rescue **Parting out** 77 MG Midget **Parting out** 15 6.7L Cummins |
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#8 |
Running on empty
Join Date: Aug 2002
Location: Roanoke, Virginia
Posts: 1,033
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the parts book i have indicates the axle code should be stamped on the bottom of the left or right axle tube adjacent to the differential housing; it should be three prefix letters followed by five numbers; C-20 series factory ratios listed in this book were 4.10 , 4.56 or 4.57; don't know if this will help
![]() Tim
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_____________________________________________ Tim We have two rules here at the Rock. Rule #1: No writing on the walls. Rule#2: Obey all rules 70 GMC Sierra Grande "Custom Camper" Longhorn 402 Big Block TH400 PS PB factory AC Posi; 94 Bronco XLT 302, auto;worn out daily driver ![]() |
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