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#1 |
Registered User
Join Date: Oct 2011
Location: fortwayne, indiana
Posts: 209
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wondering what this axle is doing under my truck
so i pick up this craigslist find its a 1980 gmc sierra grande. at first glance its a cab and chassis being so long for a straight cab but wate thats a full width dually someone must of swoped something and no the frame is not streached
im just wondering what it is i know its a dana eather a 70 or an 80 but the dana 80 didnt exzist till 88?
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88 gmc v3500 bonus cab classy chassy conversion, 454, nv4500, np205, dana 60 front with spool, 14 bolt ff cac rear with locker. |
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#2 |
Registered User
Join Date: Jul 2009
Location: Inman, SC
Posts: 43
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Re: wondering what this axle is doing under my truck
Anything stamped on it?
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87 Suburban R20 (6bt Cummins) 79 Cherokee Chief (454 from Suburban) - both in progress http://lobie4x4.com |
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#3 |
Registered User
Join Date: Aug 2009
Location: S.C.
Posts: 1,593
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Re: wondering what this axle is doing under my truck
What makes you think it's not a 70?
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'86 C-30 dually, 454/tbh400 '73 K-20 350/350/205 (sold ![]() I'm kinda like duct tape- no real purpose, but handy to have around. |
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#4 |
Registered User
Join Date: Oct 2011
Location: fortwayne, indiana
Posts: 209
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Re: wondering what this axle is doing under my truck
i really dont know what it is alot of stickers are missing i assume it is a cab and chassis and they swoped the 14 out for a 70. all i was worried about is the dana 60 and the np205 out if it but dont worry this puppy isnt going to the scrap yard its getting converted to 2 wheel drive and im gana mid mount that big block 454 lol and streach a bed to fit
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88 gmc v3500 bonus cab classy chassy conversion, 454, nv4500, np205, dana 60 front with spool, 14 bolt ff cac rear with locker. |
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#5 |
Registered User
Join Date: Oct 2011
Location: oakdale ca
Posts: 552
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Re: wondering what this axle is doing under my truck
id buy that dana 60 if you were closer lol and looks like a 70like my 75s
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75 c30 silverado drw 454/th400hd d70 soon to have d60 up front 73 c20 custom deluxe sm465 14bff parts truck |
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#6 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: wondering what this axle is doing under my truck
Definately an '80. The light bezel insert is a give away. It's the transition year to '81.
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#7 |
Moderator
![]() Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,951
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Re: wondering what this axle is doing under my truck
A lot of the dually trucks had Dana 70 axles.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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#8 |
Registered User
Join Date: May 2008
Location: Spokane, Washington
Posts: 596
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Re: wondering what this axle is doing under my truck
I am pretty sure that is a dana 70.
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#9 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: wondering what this axle is doing under my truck
Man,lots of C30/3500s around. Not many K3500 dual wheel cab & chassis Sierra Grandes,for sure. That was an exceptional truck when new. Surely ordered by or for a true truck lovin' guy. It's a shame to see one like that altered into something else. And yeah,that would be the Dana 70 rear.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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