GM 14 Bolt Carrier type ID help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ssjody · 11-02-2020, 06:12 PM

My 68 K20 has a transplanted 14 bolt GM Corporate axle assembly in the rear. The seller told me it had a 4.10 ratio but I wanted to be sure so I pulled the cover. It does have a 4.10 but I'm not clear if this is a limited slip, locker or open carrier. Can someone educate me on what type this is.

ssjody · 11-02-2020, 06:13 PM

Well the pic's didn't work. I'll work on that

**kwmech** · 11-02-2020, 06:55 PM

4 pins is an open carrier and 3 is a gov-loc. 4 pin could have a detroit installed, but you'd know that by driving it

Richard2112 · 11-02-2020, 07:07 PM

My c30 has the same setup but it's geared in 373. Still don't know what that type of carrier is called

**kwmech** · 11-02-2020, 08:20 PM

Quote:

Originally Posted by Richard2112

My c30 has the same setup but it's geared in 373. Still don't know what that type of carrier is called

Just a standard open carrier...splits in half when unbolted...little more convenient.

Just a heads up for those that do not know......if you split the case, look for a witness mark on the edge of the carrier that tells you where to align the unit when reassembling

57taskforce · 11-03-2020, 12:23 AM

Quote:

Originally Posted by kwmech

Just a standard open carrier...splits in half when unbolted...little more convenient.

This, I’ve got 2 14 bolts opened up right now on the shop floor because of a disk brake mod I’m doing. Both are open carriers just like the one pictured. You can look into the little windows and see there’s just spider gears and nothing else in there.

ssjody · 11-03-2020, 06:05 AM

Quote:

Originally Posted by 57taskforce

This, I’ve got 2 14 bolts opened up right now on the shop floor because of a disk brake mod I’m doing. Both are open carriers just like the one pictured. You can look into the little windows and see there’s just spider gears and nothing else in there.

That was the conclusion I had come to. I seen nothing that made me think any different. Thanks!

**chevy71super** · 11-03-2020, 02:26 PM

Curious. What is the function of the bolts in the middle of the bearing caps?

**kwmech** · 11-03-2020, 02:55 PM

Quote:

Originally Posted by chevy71super

Curious. What is the function of the bolts in the middle of the bearing caps?

If you look close, you can see a large u shaped large wire that goes into the adjusting nut and keeps it from moving

**chevy71super** · 11-03-2020, 03:23 PM

Awwww. Thanks.

11-02-2020, 06:12 PM	#1
ssjody Registered User Join Date: Jul 2014 Location: Union, KY Posts: 33	GM 14 Bolt Carrier type ID help My 68 K20 has a transplanted 14 bolt GM Corporate axle assembly in the rear. The seller told me it had a 4.10 ratio but I wanted to be sure so I pulled the cover. It does have a 4.10 but I'm not clear if this is a limited slip, locker or open carrier. Can someone educate me on what type this is. Attached Images Last edited by ssjody; 11-02-2020 at 06:42 PM. Reason: Pictures didn't show

11-02-2020, 06:13 PM	#2
ssjody Registered User Join Date: Jul 2014 Location: Union, KY Posts: 33	Re: GM 14 Bolt Carrier type ID help Well the pic's didn't work. I'll work on that

11-02-2020, 06:55 PM	#3
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,593	Re: GM 14 Bolt Carrier type ID help 4 pins is an open carrier and 3 is a gov-loc. 4 pin could have a detroit installed, but you'd know that by driving it

11-02-2020, 07:07 PM	#4
Richard2112 Registered User Join Date: Jul 2014 Location: South East Ohio Posts: 644	Re: GM 14 Bolt Carrier type ID help My c30 has the same setup but it's geared in 373. Still don't know what that type of carrier is called

11-03-2020, 02:26 PM	#8
chevy71super Registered User Join Date: Jan 2002 Location: So Cal Posts: 658	Re: GM 14 Bolt Carrier type ID help Curious. What is the function of the bolts in the middle of the bearing caps? __________________ 71 Cheyenne Super 4X4 SB 72 Cheyenne Super 4X4 SB 72 Cheyenne 4X4 SB

11-03-2020, 03:23 PM	#10
chevy71super Registered User Join Date: Jan 2002 Location: So Cal Posts: 658	Re: GM 14 Bolt Carrier type ID help Awwww. Thanks. __________________ 71 Cheyenne Super 4X4 SB 72 Cheyenne Super 4X4 SB 72 Cheyenne 4X4 SB

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