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Mod | | | Forums66 Topics126,777 Posts1,039,267 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Jun 2017 Posts: 120 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 120 | The attention to detail paid off reading several members instructions over and over to get every detail correct, took my 54 half ton Hydramatic out for a drive two or three times and she just gets better each time, well worth the money and the effort.
Last edited by posey; 12/06/2019 1:10 PM.
| | | | | Joined: Jan 2002 Posts: 2,696 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,696 | Did mine a few years ago. Best thing I did to the rig. You will enjoy the higher gears.
Craig My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
| | | | | Joined: Dec 2019 Posts: 2 Moderated | | Moderated Joined: Dec 2019 Posts: 2 | Hi posey and cmayna , I'm new here having taken on the restoration of a 52 3100 Panel for a friend , we want to do the mythical 3.55 rear end upgrade whilst keeping the truck as standard as possible , could either of you give any details , part numbers etc for the ring and pinion you used and where you got them . your help would be much appreciated , thanks John | | | | | Joined: Jun 2017 Posts: 120 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 120 | I purchased mine through mothertruckertrucks, they used to sell outright but now use eBay. Very good experience, make sure you order the truck ring and pinion and not he car version.
It's listed as follows: 1940 1941 1947 1948 1949 Chevy GMC truck 3.55:1 Ring and Pinion Gears 1/2 ton GM | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Yes, the eBay listing is :
"1940 1941 1947 1948 1949 Chevy GMC truck 3.55:1 Ring and Pinion Gears 1/2 ton GM"
If that is the listing, the description is more extensive:
"New 3.55:1 ring & pinion gears for all 1940-1953 Chevy & GMC 1/2 ton trucks."
And, it could be noted that it will work on 1954 1/2 ton trucks, if you use an earlier ring-gear carrier? | | | | | Joined: Jun 2017 Posts: 120 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 120 | New bearings also make a big difference on how well the assy. goes back together. I was fortunate to find all NOS american made
bearings for the pinion, axle and carrier all on Ebay. Dont forget a new Oakie bushing as well. | | | | | Joined: Sep 2010 Posts: 1,955 'Bolter | | 'Bolter Joined: Sep 2010 Posts: 1,955 | I will be getting my extra rear end and torque tube soon from the field it is in to take apart to look into the same swap my tube is a Canadian truck so will be looking for either a carrier or maybe drill the carrier to accommodate the ring gear.How did you order your gears from mother trucker I don’t see a website or are they on eBay under mothertrucker. | | | | | Joined: Jun 2017 Posts: 120 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 120 | Ebay, use the username I specify in my first response email | | | | | Joined: Apr 2005 Posts: 7,442 Bolter | | Bolter Joined: Apr 2005 Posts: 7,442 | You can contact him through PM here on Stovebolt. Mother.Trucker
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | Yes, cant say enough good about the quality of the ring and pinion. If you want OEM smooth and quiet these gears are the answer. I too purchased all new pinion and diff bearings nos off ebay. Gear setup was straight forward, also a great time to install an okie bushing while it is all apart.
Steve
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Sep 2010 Posts: 1,955 'Bolter | | 'Bolter Joined: Sep 2010 Posts: 1,955 | Thanks will be considering all of the parts recommended by Tim .I have a extra tube and diff assembly I want to take apart to see how difficult it is going to be .I have been reading lots of posts about the swap the extra diff has bendix brakes on it but I don’t know the year it was from My truck is a 54 but had a different rear axle in it so I used one from a 51 truck . | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Bendix brakes were standard on all wheels on 1954 3100 trucks. | | | | | Joined: Dec 2019 Posts: 2 Moderated | | Moderated Joined: Dec 2019 Posts: 2 | Thanks everyone for the information , much appreciated . I may have located one here in UK.
In my research I also found this .... .
http://www.oldchevytrucks.com/cart/product.asp?prodid=HP163&i=10012|||||
Does anyone have a link to a master install kit for this ?
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