Axle swap - will driveshaft work? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

koolky · 10-28-2009, 08:42 PM

Im swapping out my Dana 60 rear for a 12bolt. will my origional driveshaft still work?

Burt4x4 · 10-29-2009, 09:50 AM

Nope, yer u-Joint on the D60 is 1350 ~ can't remember the number on a 12b? But perrty sure it's smaller and your driveline may need to be shortend a bit..
This is all going of off 15yr memory so I could be loosing my mind...

chalet2506 · 10-29-2009, 10:07 AM

12 bolts are 1310. Not sure about the length, but you a conversion joint will mate your shaft to the D60.

koolky · 10-29-2009, 07:41 PM

Can I buy or build u-joints that are 1310 on the 12B side and 1350 on the driveshaft side? Or… can I get a 12B 1350 yoke? Are there any other differences between the 1/2 and 3/4 ton driveshafts?

LkyDevilz72 · 10-29-2009, 09:41 PM

Yes, they are called conversion u-joints. Just google it or call your local drive train repair place. It will have a 1350 on one end and 1310 on the opposite ends.

70 beast · 10-29-2009, 10:07 PM

any reason for removing the d60???

chalet2506 · 10-30-2009, 10:11 AM

1310 to 1350 conversion joint part # (neapco) 3-3140 or (NAPA) NPJ P348.

koolky · 10-30-2009, 05:02 PM

Quote:

Originally Posted by 70 beast

any reason for removing the d60???

I bought a frame that came with a nice set of 1/2 ton axels with 3.07 gears. I’ll be running SM465 so I won’t have OD. My D60 has 4.10 gears in it. Plus brakes and stuff are a lot cheaper. I’ll probably use my D44/60 on a project one day.

10-28-2009, 08:42 PM	#1
koolky 67-72 Addicted Join Date: Oct 2007 Location: Guelph Ontario Posts: 256	Axle swap - will driveshaft work? Im swapping out my Dana 60 rear for a 12bolt. will my origional driveshaft still work? __________________ '72 K20

10-29-2009, 09:50 AM	#2
Burt4x4 Registered User Join Date: Feb 2000 Location: Modesto, CA Posts: 1,842	Re: Axle swap - will driveshaft work? Nope, yer u-Joint on the D60 is 1350 ~ can't remember the number on a 12b? But perrty sure it's smaller and your driveline may need to be shortend a bit.. This is all going of off 15yr memory so I could be loosing my mind... __________________ 1972 K5 MPFI454/Sm465/Np205/D60/14FFd/Re-Centerd H1s w/Swamper Iroks

10-29-2009, 10:07 AM	#3
chalet2506 Registered User Join Date: Nov 2008 Location: DFW, Tx Posts: 39	Re: Axle swap - will driveshaft work? 12 bolts are 1310. Not sure about the length, but you a conversion joint will mate your shaft to the D60.

10-29-2009, 07:41 PM	#4
koolky 67-72 Addicted Join Date: Oct 2007 Location: Guelph Ontario Posts: 256	Re: Axle swap - will driveshaft work? Can I buy or build u-joints that are 1310 on the 12B side and 1350 on the driveshaft side? Or… can I get a 12B 1350 yoke? Are there any other differences between the 1/2 and 3/4 ton driveshafts? __________________ '72 K20

10-29-2009, 09:41 PM	#5
LkyDevilz72 Registered User Join Date: Jan 2007 Location: Oklahoma City, Ok Posts: 25	Re: Axle swap - will driveshaft work? Yes, they are called conversion u-joints. Just google it or call your local drive train repair place. It will have a 1350 on one end and 1310 on the opposite ends. __________________ 1972 Chevy C-10 Lowboy 1972 Chevy K5 Blazer Hi-boy 1948 Plymouth Club Coupe

10-29-2009, 10:07 PM	#6
70 beast Certified Hobbiest Join Date: Jul 2007 Location: Sacramento, Ca Posts: 384	Re: Axle swap - will driveshaft work? any reason for removing the d60??? __________________ my jimmy build http://67-72chevytrucks.com/vboard/s...d.php?t=352536

10-30-2009, 10:11 AM	#7
chalet2506 Registered User Join Date: Nov 2008 Location: DFW, Tx Posts: 39	Re: Axle swap - will driveshaft work? 1310 to 1350 conversion joint part # (neapco) 3-3140 or (NAPA) NPJ P348.

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