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Old 06-27-2009, 02:11 AM
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Regear or replace?

1952 3600 finally underway. Bed is removed and I would like to get the rear end ready for high speed. The original rear end looks to be in good shape. Should I regear the original and swap for disc brakes or should I look for a later rear end to swap in? This rear end will eventually be driven by a vortec 4200 w/manual tranny. Any suggestions? Thanks.

-Greg

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Old 06-27-2009, 03:02 PM
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Quote:
Originally Posted by Crakums_GT
1952 3600 finally underway. Bed is removed and I would like to get the rear end ready for high speed. The original rear end looks to be in good shape. Should I regear the original and swap for disc brakes or should I look for a later rear end to swap in? This rear end will eventually be driven by a vortec 4200 w/manual tranny. Any suggestions? Thanks.

-Greg
Finding the parts for a diff that old may be a little spendy and hard to find. If it was me, I would change to something later model.You would have alot more ratio option's and parts will be easier to buy.
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Old 06-27-2009, 03:52 PM
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Crakums;

As I recall the 3600 series truck is a 3/4 ton .

In one of your posts on a different forum you mention a mustang II front suspension.

The rear differential would be an 8 lug if the truck is a 3600 series?

So , is the plan for mustang II front and 8 lug rear diff?
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Old 06-27-2009, 05:59 PM
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My recollection from my father in law's '62 Chebbie 3/4 tonner is that those rear gears are some where close to 5.0 (5.13 sticks in my mind). Not exactly a good gas mileage/road gear with an engine running at full scream at 65 mph. A good 9" with some reasonable ratio - they start at something like 2.33 and with many increments to a 7.5 circle track ratio. With a .62 OD transmission, 3.70 to 4.10 make good cruisers.
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Old 06-27-2009, 09:20 PM
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Thank you. Yes it is an 8 lug rear end. I was going to start looking into a conversion though. I think it will be more cost effective to start cruising junk yards for a newer rear. Anybody know of a bolt up rear to fit the 52 3/4 ton? If not what is a good rear end to go with that would include minimal modification? This is all learning for me since this is my first build. Thanks for the previous info. I feel like I'm finally getting somewhere. Also the answer to your question Crosley, I would like to find rear discs to match the MII front if that is possible.

-Greg
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Old 06-28-2009, 07:03 AM
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If it is leaf spring a Ford explorer rear might be an option available here with 4.10 and posi for $100.00 at junkyards with disc brakes complete.
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Old 06-28-2009, 10:48 PM
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I will definitely look into that. I'm going to measure everything out tomorrow so I can start hunting something down. I heard also that Colorado's have a nice rear end that should fit well if I can ge a hold of one. Not sure if that's true or not. Definitely measuring before looking lol. Thanks again guys.

-Greg
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