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#1 |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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5 lug rear axles installed...Problem
Ok so what I did was used the 69 rear end casing and the posi. Axles went right in no problem. They are a little longer then they should be....and the problem is the drums dont sit all the way to the backing plate. I see about a 1/4 between the backing plate and the drum.
I should add these are 77 12 axles. Heres some pics to get a better idea. ![]() ![]() ![]() ![]() ![]() ![]() I dont know if I should get longer bolts and shim the backing plate or get the axles shorten.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" Last edited by caminokid; 06-16-2008 at 12:57 PM. |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: 5 lug rear axles installed...Problem
the later year axels are longer than the 68's you need to have them shortened if possible or get custom axels built from a place like currie or moser to use the 68housing//or get a 70 71 or 72 housing
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#3 |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
More
![]() The axles seem to sit close in there but dont touch. The other problem I seen...this... ![]() I took it out to inspect it and found one of the plates was cracked. I welded it. Isnt there supposed to be something holding this together? ![]()
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#4 |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: 5 lug rear axles installed...Problem
I ran the wider brake drums for a while without issue (I believe they are 2.5" from a late-70's truck.)
I was using 71-72 axles in my 68 housing. Last edited by Jim_PA; 06-16-2008 at 12:59 PM. |
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#5 |
Registered User
Join Date: Aug 2007
Location: pittsburgh pa
Posts: 1,970
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Re: 5 lug rear axles installed...Problem
I never heard of these axles working with bigger drums... When building my 68 I ran to the bone yard and got a set of 72 5 lug axles and learned the hard way they didn't fit... Nothing like laying in the mud fighting off bees, snakes and rusted bolts for a few hours to find out they didn't fit... That was long before I knew anout this forum!!
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68 C10 Shorty TPI,Bagged, and all the good stuff. Classic trucks feature June 06, On the cover of Jegs Christmas Catalog 08 67 C10 Shorty Shop truck project Bagged and Z'd under destruction and getting nowhere fast. 64 C10 Shop Truck/Daily driver, Bagged, Dropmember, SOLD!!!! Gone but not forgotten.. 54 GMC under the knife getting a S10 chassis swap and bagged. See my build thread... 07 GMC Sierra 5/7 drop, 22's and 24's Air ride on my mind.. http://67-72chevytrucks.com/vboard/s...d.php?t=339340 See pics of my trucks in my profile |
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#6 |
Senior Member
![]() Join Date: May 2002
Location: Hammond, WI
Posts: 1,804
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Re: 5 lug rear axles installed...Problem
Those plates and springs are what makes the unit a posi. If I remember correctly, the only thing holding those in there is the center pin (the vertical bar in the top pic). Other than that, the sheer pressure from the springs does the rest.
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Mike 2001 Dakota R/T - Silver CC - 1 of 1671 •360 w/46RE •392 limited slip 1972 Chevy Suburban - Turquoise/Black 1969 Chevy C/10 - Blue LWB •350 w/ 700R4 •3.73 posi •PS PB A/C - SOLD ![]() Using your turn signal is not "giving information to the enemy" 67-72 FAQ |
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#7 | |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: 5 lug rear axles installed...Problem
Quote:
Last edited by Jim_PA; 06-16-2008 at 01:19 PM. |
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#8 |
Long Fleet Club
Join Date: Aug 2006
Location: Deer Park, TX
Posts: 5,666
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Re: 5 lug rear axles installed...Problem
This is from the CPP web site.
Part # 6369RAC5 ---1963-69 5-lug Conversion Axle, pair --- $289.00 Well they have a copy lock here is the description page http://www.classicperform.com/Store/.../6369RAC-5.htm
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Chris Meeks '69 Chevy Custom/10 Long Bed <-- Thread of the work I did before selling. Truck is now finished to the new owners design and running around. I was shown some pictures of the finished product. At least it survived the junk yard. FAQ Index by Krue Site Vendors Subscribe Here Forum Rules |
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#9 | |
Registered User
Join Date: Feb 2007
Location: knoxville tn
Posts: 1,013
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Re: 5 lug rear axles installed...Problem
Quote:
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nickle and dime |
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#10 |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
I was thinking the same and adding deeper drums. I might be ok then.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#11 | |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
Quote:
Thanks
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#12 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: 5 lug rear axles installed...Problem
A lot of people get away with wider drums, but you would be running a part of the axle shaft on the bearings, that was not designed to take that kind of wear, and adding leverage on top of that.
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#13 |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
I didnt think of that Andy...good call! Well maybe shortening the axles is an idea. I wish I had a better welder. I think I would try it. I will find out how much it will take.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#14 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: 5 lug rear axles installed...Problem
like I said, a lot of people get away with it.. but personally, I wouldn't do it. I've lost a wheel at 45 MPH once (actually i was passenger) and it scared the CRAP out of me.
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#15 |
Registered User
Join Date: Dec 2007
Location: Olathe, Kansas
Posts: 117
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Re: 5 lug rear axles installed...Problem
I had the same problem on my '69 when I swapped over from 6 lug to 5. Easy solution is to buy them from ECE or LMC. I'm sure others carry them as well. Direct bolt-up and easy swap.
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#16 | |
just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: 5 lug rear axles installed...Problem
Quote:
A welder is of no use to you in this...... I don't think I would do the spacer behind the backing plate deal either. You increase the load on the bolts. Plus there would be quite a bit of effort involved in making a "decent" spacer anyway. Andy is quite right about the axle not running in the right place on the bearing surface. It pretty much comes down to getting the right axles or swapping the whole housing. |
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#17 |
sharp as a marble
![]() Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: 5 lug rear axles installed...Problem
I agree with long horn man. Wheel brg is riding on the wrong part of the axle. I am WAAY too old for that thrill ride, or the axle grease on my brakes shoes, or the brakes grabbing and locking up on a wet street, in front of the police on the way home from my favorite watering hole, AND then trying to explain to my wife why it is not my fault that I got a ticket. ha ha
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#18 |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
I think I will just get a set of axles. Its under 300.00 So that wont be so bad. Could be worse.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#19 |
Registered User
![]() Join Date: Apr 2008
Location: Milton wi. 53563
Posts: 128
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Re: 5 lug rear axles installed...Problem
try using newer style backing plates and drums. i remember switching axles, plates , brake lines wheel cyl.and drums from 72 to 70 in one complete move. it seemed to look okay at the time. pull axles and drums, then remove plates wheel cyl. and lines at the same time while keeping them all together. i did this early one sunday morning years ago and surprised myself on how easy it really was. old money.
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#20 | |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
Quote:
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#21 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: 5 lug rear axles installed...Problem
in mid 70, they went to the wider rear end, but retained the 6 lug shafts.
Old money has the wider rear, so the 5 lug shafts just slid right in. I am shocked that people are agreeing with me, I normally get semi-flamed when I say this. |
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#22 | |
Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: 5 lug rear axles installed...Problem
Quote:
This is the first time I have done a swap like this...so really dont know. Now if I am sure about something and someone tries to steer someone wrong I will say something. But not flame.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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#23 | |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: 5 lug rear axles installed...Problem
Quote:
![]() It wouldn't be my FIRST choice for how to fix the problem, but if you want to do something on-the cheap for your driver or beater, or just want to get something on the road, it's fine. Last edited by Jim_PA; 06-17-2008 at 08:11 AM. |
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#24 |
Senior Member
![]() Join Date: Jun 2002
Location: Murray, Kentucky
Posts: 3,483
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Re: 5 lug rear axles installed...Problem
caminokid, where are you in Illinois?
I have a '72 5-lug rearend you can have (complete from drum to drum). I can't vouch for how good it is and it is dirty/greasy, but if you jump in a truck and come to Murray KY you can have it. Just a thought, Rg
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Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 |
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#25 |
Registered User
Join Date: Feb 2006
Location: buffalo
Posts: 178
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Re: 5 lug rear axles installed...Problem
i thought that the only useable 5 lug axles were from 71-2 trucks of our bodystyle...do those slide right in i would imagine so....is the problem here not the fact that the donor truck is a 77? because i know the 73-87 had a wider rear by and inch and a half or so correct?
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