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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2016 Posts: 34 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2016 Posts: 34 | A big hello as a new member My first question what rear is in the 52 4400? The stamp is the std VL 6.17 ratio. My guess is ho72 on a 1 1/2 ton axle assembly. I have a 1965 ho 52 third member and found it was not compatable. I took a chance got it and found it was too small to axle housing. | | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | hi, welcome to the site! I don't know the answer but I am sure someone more familiar with the rear end #s will be along that does! | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Rich 1952, I can't verify what I am about to say by my books, but I think the designation for that rear axle is H110, hope that helps. | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | The ratio of of 6.17 is probably the high of low and lower ratios. There are no higher ratios available. One might look for higher ratios in a more modern truck with same wheel bolt pattern, or Brownie aux. trans.
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.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| | | | | Joined: Aug 2016 Posts: 34 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2016 Posts: 34 | Yes that info and other posts in the archives make sense. If anyone looking for a good ho52 4.57 I have one ready for service on EBAY. Just trying recover my costs. Although shipping is a killer. | | |
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