Dana 70 front axle - The 1947 - Present Chevrolet & GMC Truck Message Board Network

madcow75 · 06-27-2011, 11:59 PM

I really do not no much about Dana 70 front. I have a chance to get one cheap should I go for it? Whats the difference in a swap between the dana 60 front to the dana 70 front. Width, spring perches. Are they alot stronger than a dana 60 front. Is it worth a swap? I have a dana 70HD rear in my 76 Crewcab dually.

Redcap · 06-28-2011, 12:08 AM

Quote:

Originally Posted by madcow75

I really do not no much about Dana 70 front. I have a chance to get one cheap should I go for it? Whats the difference in a swap between the dana 60 front to the dana 70 front. Width, spring perches. Are they alot stronger than a dana 60 front. Is it worth a swap? I have a dana 70HD rear in my 76 Crewcab dually.

All the D70 fronts I have seen are closed knuckle, drum brake.

b454rat · 06-28-2011, 08:16 AM

if it's closed knuckle drum brakes, I'd pass. They are weaker than a Dana 60.

madcow75 · 06-28-2011, 09:14 AM

I think it is an old dually front axle. With what appears to have a huge inner ball like socket. It almost looks like the size of a soccerball, type of a joint. So these axles are not as desireable as a dana 60 then.

**special-K** · 06-28-2011, 09:51 AM

GM K/30s never used them. My '77 DRW K/30 had a Dana 60 (disc brake) front and Dana 70 rear. What did it come out of? Does it have the 8-lug pattern? GM Dana 60s are so easy to install because 69-91 10-30s bolt up the same. Anything else takes extra work.

madcow75 · 06-28-2011, 10:31 AM

My current C30- now K30 has a dana 60 front with disc brakes. I seen Dana 70 front axle up forsale and thought it was neat looks mean. It is a Dana 70 so I thought it would be better, but I guess not. It appears to have an 8 lug pattern. I am not sure what it is out of yet, I am currently emailing him to find out more info. Sounds like I better pass on it thou.

Redcap · 06-28-2011, 12:13 PM

Quote:

Originally Posted by madcow75

My current C30- now K30 has a dana 60 front with disc brakes. I seen Dana 70 front axle up forsale and thought it was neat looks mean. It is a Dana 70 so I thought it would be better, but I guess not. It appears to have an 8 lug pattern. I am not sure what it is out of yet, I am currently emailing him to find out more info. Sounds like I better pass on it thou.

It is probably an IH frontend. They look big and burly, but the closed knucle isn't any stronger (actually considerably weaker) than a D60. Personally, I'd pass.

b454rat · 06-28-2011, 08:00 PM

If the pics looks like a 60, then it's a good one. I have yet to find one, but the open knuckle disc brake 70s are out there. Dodge and IH used them in their bigger trucks, early/mid 70s I believe.

06-27-2011, 11:59 PM	#1
madcow75 Registered User Join Date: Jun 2009 Location: Fort Erie , Ontario Posts: 525	Dana 70 front axle I really do not no much about Dana 70 front. I have a chance to get one cheap should I go for it? Whats the difference in a swap between the dana 60 front to the dana 70 front. Width, spring perches. Are they alot stronger than a dana 60 front. Is it worth a swap? I have a dana 70HD rear in my 76 Crewcab dually.

06-28-2011, 08:16 AM	#3
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,469	Re: Dana 70 front axle if it's closed knuckle drum brakes, I'd pass. They are weaker than a Dana 60. __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS

06-28-2011, 09:14 AM	#4
madcow75 Registered User Join Date: Jun 2009 Location: Fort Erie , Ontario Posts: 525	Re: Dana 70 front axle I think it is an old dually front axle. With what appears to have a huge inner ball like socket. It almost looks like the size of a soccerball, type of a joint. So these axles are not as desireable as a dana 60 then.

06-28-2011, 09:51 AM	#5
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Dana 70 front axle GM K/30s never used them. My '77 DRW K/30 had a Dana 60 (disc brake) front and Dana 70 rear. What did it come out of? Does it have the 8-lug pattern? GM Dana 60s are so easy to install because 69-91 10-30s bolt up the same. Anything else takes extra work. __________________ "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 ~

06-28-2011, 10:31 AM	#6
madcow75 Registered User Join Date: Jun 2009 Location: Fort Erie , Ontario Posts: 525	Re: Dana 70 front axle My current C30- now K30 has a dana 60 front with disc brakes. I seen Dana 70 front axle up forsale and thought it was neat looks mean. It is a Dana 70 so I thought it would be better, but I guess not. It appears to have an 8 lug pattern. I am not sure what it is out of yet, I am currently emailing him to find out more info. Sounds like I better pass on it thou.

06-28-2011, 08:00 PM	#8
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,469	Re: Dana 70 front axle If the pics looks like a 60, then it's a good one. I have yet to find one, but the open knuckle disc brake 70s are out there. Dodge and IH used them in their bigger trucks, early/mid 70s I believe. __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS

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