67 6 lug to 5 lug conversion. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dobster · 02-04-2014, 10:56 AM

Is there a thread or link anyone can point me too?
Is there a direct axle swap off another chevy truck to convert the 67 6 lug to a 5 lug? I just got my posi unit installed, I assumed I could use the 70-72 5 lug axles but They are longer. I guess I should just pick up a complete axle from a 70-72 if I can find one. I could pick one up and transfer the posi. I already have a rear disk brake conversion set-up.

Sean1985 · 02-04-2014, 11:00 AM

Early classics has a 5 lug axle swap for around 300 bucks. I'm assuming you have a 12 bolt 30 spline.

SCOTI · 02-04-2014, 11:05 AM

Quote:

Originally Posted by Sean1985

Early classics has a 5 lug axle swap for around 300 bucks. I'm assuming you have a 12 bolt 30 spline.

x2.... Especially if you already rebuilt the differential.
There aren't any direct swap axles. Go with aftermarket units which have zero wear & are stronger than OE.

Dobster · 02-08-2014, 10:23 AM

just spent 500 on the diff wasnt wanting to spend another 300 on axles.
Thanks for the info!

**Clyde65** · 02-08-2014, 11:42 AM

If you just installed a posi, did you upgrade the bearings? seals?

I had my 71/72 rear rebuilt, I gutted it and cleaned it all up and still cost me $1000, that included the master rebuild kit and the ring/pinion to 3.73. no posi.

Dobster · 02-09-2014, 01:27 AM

I only changed the posi. The 373 ring and pinion was already installed about two years ago by the previous owner. I did use a gauge and tested the play. Right at .09. I used the original spacers. And checked the ware pattern. It was dead on with the previous diff. So I only paid for the Eaton series 4. I did all this thinking I could just swap the axels from a 71 or 72. So now I am going to buy a few axles in the near future. It just slows down my progress.
That's a sweet 65 in your sig. Clyde how's the gas milage?

'68 Newtricks · 02-09-2014, 02:46 AM

Not to hyjack, but I'm in the same boat and curious about my options.

I have a 6 lug axle too, but it's garbage. Everything needs replacing. I can grab a local 12b/5 lug/ with 3.73s for around $180. Dunno the shape though. Was looking at putting a 9" together, but it's overkill and expensive. What do you guys think?

ksbrktracer · 02-09-2014, 02:57 AM

I wont say it is the best option ...... but it is a reasonable option. Having the axles and drums redrilled to 5 on 5 and the centers turned down to fit the 5-lug wheel cost me $85.00 locally , just need to make sure the axles arent wore out first . Now to me the best option for a fleetside truck is to go ahead and put the wider 71-72 rear axle in if possible. Opens up alot more options for wheels with the correct backspacing .

72freak · 02-09-2014, 08:31 AM

Quote:

Originally Posted by Dobster

just spent 500 on the diff wasnt wanting to spend another 300 on axles.
Thanks for the info!

Re-drill them and press in 5 studs and get some 71/72 drums. Very common practice. Then get one of the many kits for the front offered for a disc conversion or a simple 5 lug conversion (CPP) being one of them if you want to go that route fro the front. We just did it on a 69.

Dobster · 02-09-2014, 09:26 AM

Quote:

Originally Posted by '68 Newtricks

Not to hyjack, but I'm in the same boat and curious about my options.

I have a 6 lug axle too, but it's garbage. Everything needs replacing. I can grab a local 12b/5 lug/ with 3.73s for around $180. Dunno the shape though. Was looking at putting a 9" together, but it's overkill and expensive. What do you guys think?

If I could go back I would grab the 12 bolt for $180 and get it installed with 373's already installed the ring and pinion can stay saving a few hundred bucks.

**lolife99** · 02-09-2014, 11:49 AM

Just remember the 70-72 rearends are 3/4" PER SIDE wider than the 67-69 rearends.

I would still buy new axles from Moser Engineering to replace those old axles.
$260 from Moser Engineering.
http://www.moserengineering.com/axle...spline-31.html

Summit Racing sells them.
http://www.summitracing.com/parts/msr-a3065gmt5

'68 Newtricks · 02-11-2014, 04:59 PM

Quote:

Originally Posted by Dobster

If I could go back I would grab the 12 bolt for $180 and get it installed with 373's already installed the ring and pinion can stay saving a few hundred bucks.

Woot! (Cause this thread is dead anyway

)
Picked up the axle for a cool $100 from apparently a fellow member

Thanks dude! Helps a lot

Dobster · 02-11-2014, 05:37 PM

Quote:

Originally Posted by '68 Newtricks

Woot! (Cause this thread is dead anyway

)
Picked up the axle for a cool $100 from apparently a fellow member

Thanks dude! Helps a lot

So you scored Axel's from a member on this board on a thread I started and you are just rubbing it in my face?

'68 Newtricks · 02-11-2014, 06:06 PM

Quote:

Originally Posted by Dobster

So you scored Axel's from a member on this board on a thread I started and you are just rubbing it in my face?

Haha Nope. Was thanking the guy I bought it from. Was from CList, not here. But it seems all my CList dealings so far (with this truck) have been with members I don't know! Kinda cool guys, the popularity and all. I don't run into people from my Blazer forum at all.

I'll thank all the replies myself, cause it helped me out of the same boat

Dobster · 02-16-2014, 09:02 PM

Quote:

Originally Posted by Sean1985

Early classics has a 5 lug axle swap for around 300 bucks. I'm assuming you have a 12 bolt 30 spline.

Yes I do have the 30 spline axles. thanks for the input.

Dobster · 02-16-2014, 09:03 PM

Quote:

Originally Posted by SCOTI

x2.... Especially if you already rebuilt the differential.
There aren't any direct swap axles. Go with aftermarket units which have zero wear & are stronger than OE.

Going to order the axles soon. thanks for your input.

Dobster · 02-16-2014, 09:07 PM

Quote:

Originally Posted by ksbrktracer

I wont say it is the best option ...... but it is a reasonable option. Having the axles and drums redrilled to 5 on 5 and the centers turned down to fit the 5-lug wheel cost me $85.00 locally , just need to make sure the axles arent wore out first . Now to me the best option for a fleetside truck is to go ahead and put the wider 71-72 rear axle in if possible. Opens up alot more options for wheels with the correct backspacing .

Thanks for the input. Might be going this route if I can find a deal on a axle.
Thanks

Dobster · 02-16-2014, 09:13 PM

Quote:

Originally Posted by 72freak

Re-drill them and press in 5 studs and get some 71/72 drums. Very common practice. Then get one of the many kits for the front offered for a disc conversion or a simple 5 lug conversion (CPP) being one of them if you want to go that route fro the front. We just did it on a 69.

Some people say to re-drill the studs is unsafe? Ive got time. I think I will ether buck-up and buy the axles or if I can find a good deal on a axle out of a 71-72 just re-build it with my diff. from my 67.
Thanks for the input. Good to know I have a few options here.

Dobster · 02-16-2014, 09:18 PM

Quote:

Originally Posted by lolife99

Just remember the 70-72 rearends are 3/4" PER SIDE wider than the 67-69 rearends.

I would still buy new axles from Moser Engineering to replace those old axles.
$260 from Moser Engineering.
http://www.moserengineering.com/axle...spline-31.html

Summit Racing sells them.
http://www.summitracing.com/parts/msr-a3065gmt5

Summit sells the same Moser axles a buck cheaper and free shipping!!!

02-04-2014, 10:56 AM	#1
Dobster Registered User Join Date: Oct 2012 Location: Weatherford, Texas Posts: 80	67 6 lug to 5 lug conversion. Is there a thread or link anyone can point me too? Is there a direct axle swap off another chevy truck to convert the 67 6 lug to a 5 lug? I just got my posi unit installed, I assumed I could use the 70-72 5 lug axles but They are longer. I guess I should just pick up a complete axle from a 70-72 if I can find one. I could pick one up and transfer the posi. I already have a rear disk brake conversion set-up.

02-04-2014, 11:00 AM	#2
Sean1985 Registered User Join Date: Dec 2013 Location: Carlsbad Posts: 133	Re: 67 6 lug to 5 lug conversion. Early classics has a 5 lug axle swap for around 300 bucks. I'm assuming you have a 12 bolt 30 spline.

02-08-2014, 10:23 AM	#4
Dobster Registered User Join Date: Oct 2012 Location: Weatherford, Texas Posts: 80	Re: 67 6 lug to 5 lug conversion. just spent 500 on the diff wasnt wanting to spend another 300 on axles. Thanks for the info!

02-08-2014, 11:42 AM	#5
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,545	Re: 67 6 lug to 5 lug conversion. If you just installed a posi, did you upgrade the bearings? seals? I had my 71/72 rear rebuilt, I gutted it and cleaned it all up and still cost me $1000, that included the master rebuild kit and the ring/pinion to 3.73. no posi. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

02-09-2014, 01:27 AM	#6
Dobster Registered User Join Date: Oct 2012 Location: Weatherford, Texas Posts: 80	Re: 67 6 lug to 5 lug conversion. I only changed the posi. The 373 ring and pinion was already installed about two years ago by the previous owner. I did use a gauge and tested the play. Right at .09. I used the original spacers. And checked the ware pattern. It was dead on with the previous diff. So I only paid for the Eaton series 4. I did all this thinking I could just swap the axels from a 71 or 72. So now I am going to buy a few axles in the near future. It just slows down my progress. That's a sweet 65 in your sig. Clyde how's the gas milage?

02-09-2014, 02:46 AM	#7
'68 Newtricks Registered User Join Date: Feb 2014 Location: Los Angeles area :( Posts: 499	Re: 67 6 lug to 5 lug conversion. Not to hyjack, but I'm in the same boat and curious about my options. I have a 6 lug axle too, but it's garbage. Everything needs replacing. I can grab a local 12b/5 lug/ with 3.73s for around $180. Dunno the shape though. Was looking at putting a 9" together, but it's overkill and expensive. What do you guys think?

02-09-2014, 02:57 AM	#8
ksbrktracer TNT-MOTORSPORTS Join Date: Mar 2008 Location: TULSA OKLAHOMA Posts: 2,692	Re: 67 6 lug to 5 lug conversion. I wont say it is the best option ...... but it is a reasonable option. Having the axles and drums redrilled to 5 on 5 and the centers turned down to fit the 5-lug wheel cost me $85.00 locally , just need to make sure the axles arent wore out first . Now to me the best option for a fleetside truck is to go ahead and put the wider 71-72 rear axle in if possible. Opens up alot more options for wheels with the correct backspacing .

02-09-2014, 11:49 AM	#11
lolife99 67-72 parts collector,… Join Date: Nov 2002 Location: Mid-MO Posts: 22,700	Re: 67 6 lug to 5 lug conversion. Just remember the 70-72 rearends are 3/4" PER SIDE wider than the 67-69 rearends. I would still buy new axles from Moser Engineering to replace those old axles. $260 from Moser Engineering. http://www.moserengineering.com/axle...spline-31.html Summit Racing sells them. http://www.summitracing.com/parts/msr-a3065gmt5 __________________ Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823



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