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#1 |
"Trucks with Class"
![]() Join Date: Jul 2000
Location: OLYMPIA, WA, USA
Posts: 8,123
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What year diffs fit a 72 3/4T?
I couldn't find the answer. Can anyone tell me/us what later/other year front diffs will bolt in & go? 72 3/4T. thanks, frank
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#2 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,714
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Re: What year diffs fit a 72 3/4T?
71-87. 88-91 in V series. Obviously 3/4 ton or 1 ton to keep your 8 lug bolt pattern. Dana 44 up until 1980 or so then 10 bolt. The K30/V30 had the Dana 60. 4x4 K30 first came out in '77 if memory serves. 60's bring almost 5+ times the $ a 44 or 10 bolt sells for. You may need to use a conversion u-joint and the 60 might need a little lift to get the driveshaft with enough clearance.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#3 |
"Trucks with Class"
![]() Join Date: Jul 2000
Location: OLYMPIA, WA, USA
Posts: 8,123
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Re: What year diffs fit a 72 3/4T?
Good information---thanks a lot.
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#4 |
Registered User
Join Date: Mar 2011
Location: Maple Ridge B.C.
Posts: 5
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Re: What year diffs fit a 72 3/4T?
If you use a single wheel 1 ton 14 bolt ff out of a 70's or 80's chev, it will bolt right in without moving the perches. Just sayin....
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#5 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,714
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Re: What year diffs fit a 72 3/4T?
He said front. But yes, one ton '73 and up has 40.5" spring centers just like '67-'72 4x4. All others '73-'87 have 42.5" same as 2x4 '67-'72. Shock mounts need to be changed regardless.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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