14bolt free floater and D60??? or not? I dontknow how to tell - The 1947 - Present Chevrolet & GMC Truck Message Board Network

DURRTY · 10-05-2007, 02:31 PM

Thse are the only pics I have. Can any one ID these from the pics I have? These are under a 1970? blazer.

I can only tell by scraping the junk off and looking for the 60 or 44 on the front.

Also is there a way to tell a FF 14bolt by looking at it?

thanks

hilbilly · 10-05-2007, 02:36 PM

60 only got 3 u-bolts, only one on the pasanger side and a plate. corp 14 ff, the axle is held in with 8 bolts at the hub.

theside00 · 10-05-2007, 03:19 PM

FF is on the rear there is a hub type asembly sticking out and is not just flat. It will look like the front axle with the stub sticking out.

DURRTY · 10-05-2007, 03:23 PM

awesome Thanks for the fast replies. Looks like that front is a D44 having 2 Ubolts The rear is a FF I have a pic of the outside.

Not the diamond in the rough I was hoping for.

1969k10stepside · 10-05-2007, 04:59 PM

The rear axle in the pic is a 14 bolt F.F. The semi floaters have 14 bolts holding the cover on but the diff. cover is shaped different.

hilbilly · 10-05-2007, 05:34 PM

check my knowledge, the ff is 10.5" and std is 9.5"? reason for the cover differance?

Blazer1970 · 10-05-2007, 06:12 PM

Quote:

Originally Posted by hilbilly

check my knowledge, the ff is 10.5" and std is 9.5"? reason for the cover differance?

They are totally different axles, the only thing they share is the fact that they have 14 bolts holding the cover on.

The rear axle in the picture above is definitely a 10 1/2" full floater. The front looks like a 44 to me, but you can't really tell from those pictures.

b454rat · 10-05-2007, 09:28 PM

44 front and 14ff rear. Gaurantee it....

Southedisto · 10-05-2007, 09:41 PM

Quote:

Originally Posted by b454rat

44 front and 14ff rear. Gaurantee it....

X2, no kingpins, skinny tubes.

**kwmech** · 10-05-2007, 10:41 PM

Quote:

Originally Posted by Southedisto

X2, no kingpins, skinny tubes.

X3

hilbilly · 10-07-2007, 12:26 PM

Quote:

Originally Posted by Blazer1970

They are totally different axles, the only thing they share is the fact that they have 14 bolts holding the cover on.

The rear axle in the picture above is definitely a 10 1/2" full floater. The front looks like a 44 to me, but you can't really tell from those pictures.

Yes, I know the axles are differnet. My question is does the non-floater have a 9.5" ring?

1969 GMC · 10-07-2007, 02:45 PM

Quote:

Originally Posted by hilbilly

Yes, I know the axles are differnet. My question is does the non-floater have a 9.5" ring?

Yes.

As far as the skinny tubes, my Dodge Dana 60 has pretty skinny tubes. 3-1/8" IIRC. But, that is definitely a 44...you can see the castle nut on the pass. side knuckle.

hilbilly · 10-08-2007, 12:29 AM

OK,OK,Ok. I know the the 44, 60 and corp 14 ff are different. Look at the 1st post, I know this. 60's have 3 U-bolts, 44's have 4 & corp 14 ff axles mount at the hubs.

What I was wondering is, is the corp 14 bolt NON ff a 9.5" ring gear? And if so, is that why the housing is differnet?

earl87gta · 10-08-2007, 01:22 AM

Is, is the corp 14 bolt NON ff a 9.5" ring gear? Yes
Is that why the housing is differnet? Yes

hilbilly · 10-08-2007, 10:13 AM

Thanks, GTA

*FormerMember* · 10-08-2007, 11:09 AM

a 14B FF and 14SF are entirely different animals.

a 14SF use C-clip axles, if I recall correctly and a 9.5" ring gear. It's more like an evolved 12B then it's bigger brother, the 14BFF.

14BFF has a bolt on pinion support with an extra pinion bearing.

earl87gta · 10-08-2007, 03:11 PM

No problem I wouldnt run a 14blt sf if unless it was so I could use the 6 lug one.

hilbilly · 10-08-2007, 03:30 PM

Yea, all i'v ever run are FF. I was trying to keep my brain updated. We twist off to many axles to run anything else. A long magnet in a PVC tube is way easier to fix a broken axle at the track than cover disassembley.

earl87gta · 10-08-2007, 03:33 PM

Has any one compared the new GM axles to the 14bff I was told the axles in the new trucks were way bigger Im sure more expensive if you break an axle but you may not break them as often.

*FormerMember* · 10-08-2007, 03:34 PM

Quote:

Originally Posted by earl87gta

Has any one compared the new GM axles to the 14bff I was told the axles in the new trucks were way bigger Im sure more expensive if you break an axle but you may not break them as often.

The New AAM (American Axle Manufacturing) 14B axles are 11.5" ring gear vs the old 14B's 10.5"... that's they're the smaller of the two!

They're putting a 11.5" 14B front into the Dodge Cummins and D-max's.

12.5" 14B rear!!!

They're HUGE!

earl87gta · 10-08-2007, 03:46 PM

They look huge the axle in my d-max is massave compaired to the 14blt but you never know what your going to find in side. I would like to see a side by side compairison of the ring gear and the axle shafts.

*FormerMember* · 10-08-2007, 03:51 PM

Quote:

Originally Posted by earl87gta

They look huge the axle in my d-max is massave compaired to the 14blt but you never know what your going to find in side. I would like to see a side by side compairison of the ring gear and the axle shafts.

I wish I had. I do know they're about.

Check on Pirate4x4.com

hilbilly · 10-08-2007, 03:55 PM

I picked up two GM 2.5 ton steer axles three weeks ago. Now I'm in the market for a Rockwell 106 w/ 6.20's in it. Now, these are HUGE

earl87gta · 10-08-2007, 03:55 PM

If there price would come down we would probably see more of them in use but the savlage yards around here are still selling them for almost 2k thats more then I want to spend on an axle.

DURRTY · 10-08-2007, 09:23 PM

The duramax is has IFS so does it really matter as much? I haven't owned a 1ton chev with IFS but i have owned 1/2tons that were really bad about wearing out and breaking steering parts. Much more than any solid axle truck I have run.

Does the ring gear really matter that much if its not the weak link? The CV joints and half shafts would go before the ring and pinion wouldn't it?

10-05-2007, 02:31 PM	#1
DURRTY USMC Join Date: May 2007 Location: SLc,UT Posts: 300	14bolt free floater and D60??? or not? I dontknow how to tell Thse are the only pics I have. Can any one ID these from the pics I have? These are under a 1970? blazer. I can only tell by scraping the junk off and looking for the 60 or 44 on the front. Also is there a way to tell a FF 14bolt by looking at it? thanks Attached Images __________________ Semper Fi

10-05-2007, 02:36 PM	#2
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell 60 only got 3 u-bolts, only one on the pasanger side and a plate. corp 14 ff, the axle is held in with 8 bolts at the hub.

10-05-2007, 03:19 PM	#3
theside00 Registered User Join Date: Jun 2007 Location: Seattle WA Posts: 38	Re: 14bolt free floater and D60??? or not? I dontknow how to tell FF is on the rear there is a hub type asembly sticking out and is not just flat. It will look like the front axle with the stub sticking out.

10-05-2007, 03:23 PM	#4
DURRTY USMC Join Date: May 2007 Location: SLc,UT Posts: 300	Re: 14bolt free floater and D60??? or not? I dontknow how to tell awesome Thanks for the fast replies. Looks like that front is a D44 having 2 Ubolts The rear is a FF I have a pic of the outside. Not the diamond in the rough I was hoping for. __________________ Semper Fi

10-05-2007, 04:59 PM	#5
1969k10stepside Registered User Join Date: Mar 2006 Location: USA Posts: 21,019	Re: 14bolt free floater and D60??? or not? I dontknow how to tell The rear axle in the pic is a 14 bolt F.F. The semi floaters have 14 bolts holding the cover on but the diff. cover is shaped different.

10-05-2007, 05:34 PM	#6
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell check my knowledge, the ff is 10.5" and std is 9.5"? reason for the cover differance?

10-05-2007, 09:28 PM	#8
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,469	Re: 14bolt free floater and D60??? or not? I dontknow how to tell 44 front and 14ff rear. Gaurantee it.... __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS

10-08-2007, 12:29 AM	#13
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell OK,OK,Ok. I know the the 44, 60 and corp 14 ff are different. Look at the 1st post, I know this. 60's have 3 U-bolts, 44's have 4 & corp 14 ff axles mount at the hubs. What I was wondering is, is the corp 14 bolt NON ff a 9.5" ring gear? And if so, is that why the housing is differnet?

10-08-2007, 01:22 AM	#14
earl87gta Senior Member Join Date: Dec 2003 Location: Kingsport TN Posts: 4,641	Re: 14bolt free floater and D60??? or not? I dontknow how to tell Is, is the corp 14 bolt NON ff a 9.5" ring gear? Yes Is that why the housing is differnet? Yes __________________ Earl 68 2500 4x4 GMC Burb Last edited by earl87gta; 10-08-2007 at 01:22 AM.

10-08-2007, 10:13 AM	#15
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell Thanks, GTA

10-08-2007, 11:09 AM	#16
FormerMember Account Suspended Join Date: Feb 2004 Posts: 3,051	Re: 14bolt free floater and D60??? or not? I dontknow how to tell a 14B FF and 14SF are entirely different animals. a 14SF use C-clip axles, if I recall correctly and a 9.5" ring gear. It's more like an evolved 12B then it's bigger brother, the 14BFF. 14BFF has a bolt on pinion support with an extra pinion bearing.

10-08-2007, 03:11 PM	#17
earl87gta Senior Member Join Date: Dec 2003 Location: Kingsport TN Posts: 4,641	Re: 14bolt free floater and D60??? or not? I dontknow how to tell No problem I wouldnt run a 14blt sf if unless it was so I could use the 6 lug one. __________________ Earl 68 2500 4x4 GMC Burb

10-08-2007, 03:30 PM	#18
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell Yea, all i'v ever run are FF. I was trying to keep my brain updated. We twist off to many axles to run anything else. A long magnet in a PVC tube is way easier to fix a broken axle at the track than cover disassembley.

10-08-2007, 03:33 PM	#19
earl87gta Senior Member Join Date: Dec 2003 Location: Kingsport TN Posts: 4,641	Re: 14bolt free floater and D60??? or not? I dontknow how to tell Has any one compared the new GM axles to the 14bff I was told the axles in the new trucks were way bigger Im sure more expensive if you break an axle but you may not break them as often. __________________ Earl 68 2500 4x4 GMC Burb

10-08-2007, 03:46 PM	#21
earl87gta Senior Member Join Date: Dec 2003 Location: Kingsport TN Posts: 4,641	Re: 14bolt free floater and D60??? or not? I dontknow how to tell They look huge the axle in my d-max is massave compaired to the 14blt but you never know what your going to find in side. I would like to see a side by side compairison of the ring gear and the axle shafts. __________________ Earl 68 2500 4x4 GMC Burb Last edited by earl87gta; 10-08-2007 at 03:47 PM.



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10-08-2007, 03:55 PM	#23
hilbilly I do everything twice, so what Join Date: Mar 2004 Location: To the Right. One may go as far to say WAY to the Right Posts: 378	Re: 14bolt free floater and D60??? or not? I dontknow how to tell I picked up two GM 2.5 ton steer axles three weeks ago. Now I'm in the market for a Rockwell 106 w/ 6.20's in it. Now, these are HUGE Attached Images

10-08-2007, 09:23 PM	#25
DURRTY USMC Join Date: May 2007 Location: SLc,UT Posts: 300	Re: 14bolt free floater and D60??? or not? I dontknow how to tell The duramax is has IFS so does it really matter as much? I haven't owned a 1ton chev with IFS but i have owned 1/2tons that were really bad about wearing out and breaking steering parts. Much more than any solid axle truck I have run. Does the ring gear really matter that much if its not the weak link? The CV joints and half shafts would go before the ring and pinion wouldn't it? __________________ Semper Fi

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