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Re: The great punkin [Re: Don huffer] #1272093
Wed Jul 11 2018 04:31 AM
Wed Jul 11 2018 04:31 AM
5
53RLT56  Offline
New Guy
Joined: Oct 2017
Posts: 10
Davis, CA USA.
Hi Don,
I too am looking for the third member for my 1953 3/4 ton Chevy truck. I understand that I can use the pumpkin from a 69-72 C10 pickup. Question...Does it have to be a 3/4 ton C10, or will a 1/2 ton work? As you can probably tell I'm new at this and would really appreciate your help.
Bob


I do not understand this item.
Re: The great punkin [Re: Don huffer] #1272100
Wed Jul 11 2018 11:49 AM
Wed Jul 11 2018 11:49 AM
M
moparguy  Offline
Shop Shark
Joined: Sep 2013
Posts: 649
Watford City ND...
Not Don but I was on the path you're venturing down recently. You're looking for C20 trucks/vans, also some C30's had 4.10s.

Good Luck, RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: The great punkin [Re: Don huffer] #1272212
Thu Jul 12 2018 03:42 AM
Thu Jul 12 2018 03:42 AM
E
EdPruss  Offline
Shop Shark
Joined: Jun 2011
Posts: 2,425
Longmont, CO
No half tons, look for 8 lug wheels.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'52 GMC 630 w/ 603 gasser, ex fire truck.
Re: The great punkin [Re: Don huffer] #1272901
Wed Jul 18 2018 05:25 AM
Wed Jul 18 2018 05:25 AM
5
53RLT56  Offline
New Guy
Joined: Oct 2017
Posts: 10
Davis, CA USA.
Thanks Ron and Ed. I was afraid that would be the answer.


I do not understand this item.
Re: The great punkin [Re: 53RLT56] #1273210
Fri Jul 20 2018 10:56 PM
Fri Jul 20 2018 10:56 PM
D
Don huffer  Offline OP
Shop Shark
Joined: Jun 2017
Posts: 367
Cape Coral Florida
Originally Posted by 53RLT56
Thanks Ron and Ed. I was afraid that would be the answer.


This is where I found my pumpkin. ownster.com

Don


Can’t begin to tell you how much I hate the name Stovebolt.
Re: The great punkin [Re: Don huffer] #1276390
Wed Aug 15 2018 04:26 PM
Wed Aug 15 2018 04:26 PM
5
53RLT56  Offline
New Guy
Joined: Oct 2017
Posts: 10
Davis, CA USA.
Hi Guys,
This is Bob again. I need help. I want to convert the rear end of my 1953 Chevy 3/4 ton pickup to 4:10. I found the rear end from a 3/4 ton Chevy pickup that the owner THINKS came from a 1970. He sent a photo of the numbers on the side/edge of the ring gear. I know I'm looking for a 10-41, stamped on the inside surface, but that view is not available. On the side/edge the number is: 1 GM 3992484 11 41 4 76. What do you think? And, does the 76 at the end indicate it is from a 1976 pickup? It's been out in the weather for some time and the ring is somewhat pitted, but the cogs look good.


I do not understand this item.
Re: The great punkin [Re: Don huffer] #1276421
Wed Aug 15 2018 09:13 PM
Wed Aug 15 2018 09:13 PM
H
Hotrod Lincoln  Online
Boltergeist
Joined: Feb 2004
Posts: 17,267
Dellrose, TN
11-41 would be a 3.73:1 ratio. That's not one that would have been available in the HO-72 rear axle. Chances are what he's got is a Dana/Spicer style rear end from a GMC truck that does not have a removable carrier. Unless you're willing to swap the whole housing, that one's not going to do you much good. I've got a Dana Type 60 3/4 ton limited slip rear axle under a 59 Suburban, and I believe I installed 3.73 gears when I built it up around 40 years ago. I do recall using a GMC housing, Ford gears, and a Dodge pinion flange on that buildup!
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: The great punkin [Re: Don huffer] #1276537
Thu Aug 16 2018 01:40 PM
Thu Aug 16 2018 01:40 PM
G
Grigg  Online
Master Gabster
Joined: May 2005
Posts: 8,600
Lexington, VA
A search of that part number turns up results about 14 bolt axles.
Are those gears in an Eaton that the whole pumpkin that removes, or a 14 bolt with only removable pinion?


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: The great punkin [Re: Don huffer] #1281404
Tue Sep 25 2018 12:03 AM
Tue Sep 25 2018 12:03 AM
5
53RLT56  Offline
New Guy
Joined: Oct 2017
Posts: 10
Davis, CA USA.
Unbelievable. I sent an e-mail to a salvage yard in Great Falls, MT in June asking about a third member from a 69-72 Chevy 3/4 ton pickup. No response. Then two weeks ago they called on Sunday and said they had a 1971 C 20 Chevy pickup with a complete rear end. They quoted $300 if I pull it and $450 if they pull it. I decided to let them pull it. Great Falls in a 3 hr drive so we headed up on Tuesday. When I arrived there they had the C 20 up on a fork lift and had pulled the axles. At that point I told them I only needed the pumpkin. I helped and we had it out in 20 minutes. And, they dropped the price to $300 since I helped in the dismantle and I only took the pumpkin. At the last minute I decided to take the axles so they tossed them in at no charge.

It would have been very easy to install if it didn't weigh in the neighborhood of 100 lbs, just a guess...I can't pick it up. And, I would have had the truck on jack stands. So, I decided to let a custom shop install it. It was in great shape and works great. They decided to use the C 20 axles. On the way to the shop my speedometer cable failed. I didn't know how fast I was driving home, but my wife, following in our Silverado said I was cruising at 70 mph. That was a shock as my previous best comfortable speed was 45-50 mph.

So,next comes the engine. I am having a 1954 235 rebuilt. The 216 in there now gets 65 miles per quart of oil. It leaks oil at just about every possible location, but doesn't smoke so I really don't know how much oil it burns. So far I have all new breaks and steering, new starter, new wheels and tires, and a swapped third member. It should be a solid driver soon.

Thanks to all of you who answered the many questions, and explained how I should go about increasing my cruising speed. I'm still a rookie so I'm sure I'll be hounding you guys again soon.
Thanks,
Bob


I do not understand this item.
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