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01-10-2015, 12:54 PM | #1 |
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Join Date: May 2007
Location: Buxton Maine
Posts: 137
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What Rear End Gear Ratio Came in 54 GMC 150?
Can anyone tell me what the rear end ratio came in a 1954 GMC 150 3/4 ton? I'm thinking it must had rather low gearing. Wondering if I should use the original or change out to something more drivable. Thanks, Rick
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01-10-2015, 03:48 PM | #2 |
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Join Date: Jan 2014
Location: Peoria, IL
Posts: 1,450
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Re: What Rear End Gear Ratio Came in 54 GMC 150?
The 54 3/4 tons would've had the same rearend as their Chevy counterparts, which is the Eaton HO52. It would've had a 4.57 gear ratio. The 1 tons had a 5.13 ratio.
Unfortunately, GM didn't offer anything higher until the 67-72 trucks came out. They offered a 4.11 for the V8 Automatic 2wd trucks. Unfortunately, those are pretty rare. You could swap out the whole rearend for a later model. The GM 14 bolt dually rearend from 73 on up is a popular swap. It has the same basic width as the earlier Eatons. Another popular swap is a Dana60 from Ford and Dodge vans. They are slightly wider than the 14 bolt, so rims with a little deeper offset may be required. |
01-10-2015, 04:24 PM | #3 | |
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Join Date: May 2007
Location: Buxton Maine
Posts: 137
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Re: What Rear End Gear Ratio Came in 54 GMC 150?
Quote:
Out behind my barn I actually have a rusted out 72 GMC K2500 V8 4wd 4speed that has a Dana (I believe Chevy's came with a Corporate rear axle that year) and it has 4:11's. IIRC it's a Dana 44. Maybe it's 60? Do you think it would be a good match or would it be too wide? Thanks, Rick |
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