10 bolt to 12 bolt u joint - The 1947 - Present Chevrolet & GMC Truck Message Board Network

MotorHead Lon · 08-31-2013, 02:54 PM

I need the part number for a conversion u joint. Going from a 10 bolt to a 12 bolt truck rear end.

bdiamond · 08-31-2013, 04:16 PM

I think it may take a different driveshaft. I'm pretty sure one is longer than the other.

Mikec10 · 08-31-2013, 04:50 PM

Call the summit racing tech line
1-330-630-0240

9 am to 9 pm EST Monday through Friday, for help with parts installation or application. Please have all relevant vehicle information ready when you call.

MotorHead Lon · 08-31-2013, 05:02 PM

Hadnt thought of calling Summit, I'll give them a call. From my research I know that the 12 bolt shaft requires the drive shaft to be 3/4" shorter. However I used weld on axle perches for an axle flip, so I know my rear end moved forward.

Tx Firefighter · 08-31-2013, 08:39 PM

No need to call Summit.

I just went through this on a truck I'm building. I got this one at O Reilly. It's a stocking part number in the store.

Posted via Mobile Device

**RPOZ11** · 09-01-2013, 12:01 AM

Just curious, why did you go to a 12 bolt?

MotorHead Lon · 09-01-2013, 01:51 AM

TX Firefighter thanks.

RPOZ11, I went to a 12 bolt because I went from air ride back to a static drop. The 10 bolt had a bunch of brackets welded to it. It was easier to just roll the 12 bolt under the truck and weld on a set of perches. I got the 12 bolt from a rolling frame that I used for my leaf hangers, and other pieces that were tossed in the air ride years.

08-31-2013, 02:54 PM	#1
MotorHead Lon Registered User Join Date: May 2007 Location: Alabama Posts: 241	10 bolt to 12 bolt u joint I need the part number for a conversion u joint. Going from a 10 bolt to a 12 bolt truck rear end. __________________ 88 Chevy C1500, step side, LS swap. 98 Crew Cab Dually, tow rig. 03 Dodge Neon. ECTA Ohio Mile record holder.

08-31-2013, 04:16 PM	#2
bdiamond Registered User Join Date: Sep 2007 Location: Wichita Falls, Texas Posts: 459	Re: 10 bolt to 12 bolt u joint I think it may take a different driveshaft. I'm pretty sure one is longer than the other.

08-31-2013, 04:50 PM	#3
Mikec10 Registered User Join Date: Apr 2011 Location: Cleveland, Ohio Posts: 293	Re: 10 bolt to 12 bolt u joint Call the summit racing tech line 1-330-630-0240 9 am to 9 pm EST Monday through Friday, for help with parts installation or application. Please have all relevant vehicle information ready when you call. __________________ 1980 C10 SWB Yukon 5.3/5 speed 3.73 gears.

08-31-2013, 05:02 PM	#4
MotorHead Lon Registered User Join Date: May 2007 Location: Alabama Posts: 241	Re: 10 bolt to 12 bolt u joint Hadnt thought of calling Summit, I'll give them a call. From my research I know that the 12 bolt shaft requires the drive shaft to be 3/4" shorter. However I used weld on axle perches for an axle flip, so I know my rear end moved forward. __________________ 88 Chevy C1500, step side, LS swap. 98 Crew Cab Dually, tow rig. 03 Dodge Neon. ECTA Ohio Mile record holder.

08-31-2013, 08:39 PM	#5
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: 10 bolt to 12 bolt u joint No need to call Summit. I just went through this on a truck I'm building. I got this one at O Reilly. It's a stocking part number in the store. Posted via Mobile Device

09-01-2013, 12:01 AM	#6
RPOZ11 72 BB C30 Super LongHorn Join Date: Nov 2002 Location: Chavez Ravine Posts: 1,606	Re: 10 bolt to 12 bolt u joint Just curious, why did you go to a 12 bolt? __________________ 72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS

09-01-2013, 01:51 AM	#7
MotorHead Lon Registered User Join Date: May 2007 Location: Alabama Posts: 241	Re: 10 bolt to 12 bolt u joint TX Firefighter thanks. RPOZ11, I went to a 12 bolt because I went from air ride back to a static drop. The 10 bolt had a bunch of brackets welded to it. It was easier to just roll the 12 bolt under the truck and weld on a set of perches. I got the 12 bolt from a rolling frame that I used for my leaf hangers, and other pieces that were tossed in the air ride years. __________________ 88 Chevy C1500, step side, LS swap. 98 Crew Cab Dually, tow rig. 03 Dodge Neon. ECTA Ohio Mile record holder.



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