Chevy Express rear axle into second gen? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 11-26-2019, 11:42 AM   #1 (permalink)
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Chevy Express rear axle into second gen?

I'm finding (by search) that the rear from a SRW chevy 3500 cutout express van being a D70 (10.5") to measure right at 70" wms. And I'm measuring my second gen 2500 at maybe right at or a tad more than 69" wms.

Wanting to go from 3.54's to 4.10's and know axle swap is usually half the price. Done found my front looking for a rear now. I'm finding those express axles are a dime a dozen around here. Found one for $300 with a limited slip and good disk brake with ebrake setup to boot ready to go. Slide perches and shock hangers over and why not? Possibly a brake valve added but instant upgrade as far as I can tell.

What am I missing before hitting the trigger and calling my local parts yard and making a trip for I've searched it to death and can't find any word to any firsthand swapped? What's wrong with them?

1/2" wider on each side would be hardly noticeable and as far as I can tell, would even out the track path.

D70's from any SRW 94+ 2500 truck disk OR drum is $600+ around here. Besides maybe just plug and play since cummins lasts longer and axles still in need being only thing I can come up with? Unless those chevy express axles have flaws?

Just saw how abundant they were today and just started researching it. Everybody's going with the later 02+ rear axles but they pricey.
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Old 11-26-2019, 02:04 PM   #2 (permalink)
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Ebrake cables may be a bitch but get the ones on the axle.
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Old 11-26-2019, 03:13 PM   #3 (permalink)
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That the 12-bolt-cover Dana 70S? These have few oddball things about them as far as internals.

I'd skip the limited grip if its a gov-bomb.
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Old 11-26-2019, 07:33 PM   #4 (permalink)
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There's a d70 variant in that year range that there is no limited slip or locker available for, I'd triple check what you're getting. I spent a few hours searching for my 2005 express van, a complete swap out is the only way
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Old 12-02-2019, 06:19 AM   #5 (permalink)
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Quote:
Originally Posted by u2slow View Post
That the 12-bolt-cover Dana 70S? These have few oddball things about them as far as internals.

I'd skip the limited grip if its a gov-bomb.
Nailed it... It's 12 bolts (I missed that) I'm finding conflicting info on it but it's definitely unique inside either way.

It's either a Dana super 60 or a Dana super 70. Both have 12 bolts. But lockers, gears and such are all unique.
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