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| | | Joined: Jan 2019 Posts: 53 Rusty Nuts | | Rusty Nuts Joined: Jan 2019 Posts: 53 | I have a 1955 1/2 (2nd series) 3600 with 8 lug hubs.
Will 6 lug front hubs/bearings from a 3100 truck fit my 3600? | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | You have a 3/4 ton if model 3600.
Hubs do not interchange with 1/2 ton.
Hubs do interchange with 1 ton, still 8 lug.
Compare front spring width, you may be able to swap entire front axle from 1/2 ton. You can for 48-54, I’m not sure on 55.
Also nothing wrong with having a 3/4 ton and 8 lug wheels. Why do you want to downgrade your truck? | | | | | Joined: Jan 2019 Posts: 53 Rusty Nuts | | Rusty Nuts Joined: Jan 2019 Posts: 53 | I need to put more highway friendly rear end, like 3.73, with my 305 sbc. It seems like I will be more likely to find a 6 lug rear end, so I desire to have the same wheels front and back. | | | | | Joined: Jan 2019 Posts: 53 Rusty Nuts | | Rusty Nuts Joined: Jan 2019 Posts: 53 | Thanks for the info! I was getting desperate. Now I'm going to look for a 14 bolt rear end to fit my 1955 2nd series 3600 … and keep the 8 lugs. I understand from the links that I should be looking for the narrow dual wheel version, right?
| | | | | Joined: Jan 2019 Posts: 53 Rusty Nuts | | Rusty Nuts Joined: Jan 2019 Posts: 53 | I picked up a 14 bolt with posi and my desired gear ratio and the correct WMS to WMS distance for my 55 2nd series 3600 today! Now I can keep the 8 lug with minimal mods. Thanks for all your help. | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | | | | | | Joined: Jan 2019 Posts: 53 Rusty Nuts | | Rusty Nuts Joined: Jan 2019 Posts: 53 | 3.73 with a G80 limited slip, …. but I just discovered the pinion has nearly a 2" offset towards the passenger side.....  Is there any way to use this rear end in my truck or do I need to find one with a more "centered" pinion? New thread about centered pinion or not. https://www.stovebolt.com/ubbthread...-for-my-1956-chevy-3600.html#Post1295959
Last edited by Grigg; 01/23/2019 3:07 PM. Reason: add link
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