73-87 1ton axles on a 71 Blazer - The 1947 - Present Chevrolet & GMC Truck Message Board Network

wildwood · 10-09-2009, 11:59 AM

I'm sure this has been covered somewhere in here, but I couldn't find it. Here goes: Will a Dana 60 front and 14 bolt rear from a 73-87 1ton (I don't know exactly what year) bolt directly to a 71 Blazer? Or do you have to move perches / modify stuff?

70 beast · 10-09-2009, 12:22 PM

i believe the d60 will bolt in but the 14b might need to relocate the perches

Burt4x4 · 10-09-2009, 04:09 PM

Quote:

Originally Posted by 70 beast

i believe the d60 will bolt in but the 14b might need to relocate the perches

Yup, I did it to my 72

Blazer1970 · 10-09-2009, 05:19 PM

Both axles will bolt in as long as the 14 bolt is from a K30. '73 - '87 one tons have a narrower spring spacing than the half and 3/4 tons making it the same as the '67 - '72 half and 3/4 tons. The rear shock mounts will have to be relocated.

**special-K** · 10-09-2009, 06:20 PM

Was`75 the first year K/30?

1969 GMC · 10-09-2009, 09:48 PM

Quote:

Originally Posted by special-K

Was`75 the first year K/30?

Late '76 or '77, depending on how picky you want to be. It was '75 with dodge, though...at least in terms of having the desireable D60 front.

Dooley · 10-09-2009, 10:37 PM

GM intoduced the K30 to their lineup in 1977 model year. I bought one and have had at least one K30/Dana 60F equipped 4x4 in the drive ever since!

wildwood · 10-11-2009, 02:50 PM

Thanks for the advice guys. I think these axles came in the same truck. I don't think any 3/4 tons had a 60 front (they were all D44HD as far as I know). So it's likely the 14bolt is from a 1ton. So then from the valuable info here, I will have to relocate the spring perches. I should be able to figure that out.

Blazer1970 · 10-12-2009, 06:41 AM

Quote:

Originally Posted by wildwood

Thanks for the advice guys. I think these axles came in the same truck. I don't think any 3/4 tons had a 60 front (they were all D44HD as far as I know). So it's likely the 14bolt is from a 1ton. So then from the valuable info here, I will have to relocate the spring perches. I should be able to figure that out.

No, you will not have to relocate the spring perches, just the rear shock mounts.

**special-K** · 10-12-2009, 08:33 AM

14-bolts were in all 3/4Ts after`72 as well.

The first K/30 I knew of was a`77 back then.I`m not sure where the`75 came from (big blocks in 4wd?).

10-09-2009, 11:59 AM	#1
wildwood Registered User Join Date: Jun 2003 Location: Calgary AB Posts: 110	73-87 1ton axles on a 71 Blazer I'm sure this has been covered somewhere in here, but I couldn't find it. Here goes: Will a Dana 60 front and 14 bolt rear from a 73-87 1ton (I don't know exactly what year) bolt directly to a 71 Blazer? Or do you have to move perches / modify stuff? __________________ You can't get out if ya don't get in

10-09-2009, 12:22 PM	#2
70 beast Certified Hobbiest Join Date: Jul 2007 Location: Sacramento, Ca Posts: 384	Re: 73-87 1ton axles on a 71 Blazer i believe the d60 will bolt in but the 14b might need to relocate the perches __________________ my jimmy build http://67-72chevytrucks.com/vboard/s...d.php?t=352536

10-09-2009, 05:19 PM	#4
Blazer1970 Registered User Join Date: Dec 1999 Location: Old Mission, MI, USA Posts: 2,507	Re: 73-87 1ton axles on a 71 Blazer Both axles will bolt in as long as the 14 bolt is from a K30. '73 - '87 one tons have a narrower spring spacing than the half and 3/4 tons making it the same as the '67 - '72 half and 3/4 tons. The rear shock mounts will have to be relocated. __________________ Tim

10-09-2009, 06:20 PM	#5
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: 73-87 1ton axles on a 71 Blazer Was`75 the first year K/30? __________________ "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 ~

10-09-2009, 10:37 PM	#7
Dooley Registered User Join Date: Mar 2005 Location: North Coast Posts: 1,012	Re: 73-87 1ton axles on a 71 Blazer GM intoduced the K30 to their lineup in 1977 model year. I bought one and have had at least one K30/Dana 60F equipped 4x4 in the drive ever since! Last edited by Dooley; 10-09-2009 at 10:51 PM.

10-11-2009, 02:50 PM	#8
wildwood Registered User Join Date: Jun 2003 Location: Calgary AB Posts: 110	Re: 73-87 1ton axles on a 71 Blazer Thanks for the advice guys. I think these axles came in the same truck. I don't think any 3/4 tons had a 60 front (they were all D44HD as far as I know). So it's likely the 14bolt is from a 1ton. So then from the valuable info here, I will have to relocate the spring perches. I should be able to figure that out. __________________ You can't get out if ya don't get in

10-12-2009, 08:33 AM	#10
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: 73-87 1ton axles on a 71 Blazer 14-bolts were in all 3/4Ts after`72 as well. The first K/30 I knew of was a`77 back then.I`m not sure where the`75 came from (big blocks in 4wd?). __________________ "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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