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Username Post: Stock 6 bolt hubs on modern driveline        (Topic#348205)
69chevyguy 
Member
Posts: 102

Loc: Kitchener, Ontario
Reg: 12-15-05
11-14-17 12:33 PM - Post#2714364    

Its a question that's probably been asked before, although I coundn't find it...

I have a '41 chev which of course uses the same 6 lug hubs and axles used from 41-through 48. I want to upgrade to a modern axle housing with an open drive shaft and disk brakes up front. I know you can swap in camaro rear ends and there are kits for the front...but I want to keep the 6 lug set up and run the stock wheels. Has anyone else done this? Is there a modern rear axle housing/rear gears that will accept the original axles? Thanks!

www.1969chevy.com

69 Impala LM1 M38, C60, F40, N33, J52
41 Chev Master Deluxe Coupe


Edited by 69chevyguy on 11-14-17 12:33 PM. Reason for edit: No reason given.

 
Keith_Knox 
Moderator and "15th Year" Gold Supporting Member
Posts: 5637
Keith_Knox
Age: 76
Loc: Napa, Ca USA
Reg: 04-02-00
11-14-17 04:26 PM - Post#2714382    
    In response to 69chevyguy

Haven't heard of anyone doing it. One problem would be the calipers on the disk brakes. The wheel probably wouldn't clear them.

1948 Chevy Fleetmaster Coupe Purchased 6/2010. Stock with rebuilt 52 216 installed May 1966.
1946 Chevy 1/2 ton pickup, stock. Purchased 11/18/17.
1962 Ranchero Purchased 4/2017 221 V8 Automatic.
2013 F150 Crew Ca


 
raycow 
Honored Member
Posts: 26844
raycow
Loc: San Francisco, CA
Reg: 11-26-02
11-14-17 10:06 PM - Post#2714433    
    In response to 69chevyguy

  • 69chevyguy Said:
.....Is there a modern rear axle housing/rear gears that will accept the original axles?


There is no modern axle housing that will accept your stock shafts. You could of course pay to have custom 6 bolt shafts made for a later housing, but there is an easier (cheaper) way out. 1/2 ton truck rears take 6 bolt wheels and are open drive from 1955 on. Up to 69, they are pretty close to your stock width (within about an inch or less), so that's the way I would go.

The fronts are a bit more of a challenge. 6 bolt rotors do exist for front disc conversions on these same 1/2 ton trucks. Your job will be to find (or make) mounting brackets for your stock spindles which will accept calipers that are compatible with these 6 bolt rotors.

Stock wheels on a 41 are 16", so if your wheels are 16", they should clear the calipers. If you have (or want to run) 15" wheels, you will need to get modern wheels which are made for disc brakes. Vintage 15" wheels from back in the day will not clear.

Ray

Those who choose an automatic transmission want transportation. Those who choose a manual transmission want to drive.


 
69chevyguy 
Member
Posts: 102

Loc: Kitchener, Ontario
Reg: 12-15-05
11-15-17 06:21 AM - Post#2714452    
    In response to raycow

Thanks.

I want to keep the original wheels as this one will become a patina'd car (body is rough enough to be cost-prohibitive to do a polished restoration) but I want it to be mechanically sound and reliable to drive anywhere. But, the original 16" wheels had a shape to them that none of the 15" 5-lug wheels had, and I plan on running them open without hub caps showing the 6 lugs. The wheels (unlike the body) will be nicely finished. Probably the purist in me but 5 lug wheels on a pre-1949 chevy just look wrong to me, so I hate the idea of putting that on my own project.

www.1969chevy.com

69 Impala LM1 M38, C60, F40, N33, J52
41 Chev Master Deluxe Coupe


 
raycow 
Honored Member
Posts: 26844
raycow
Loc: San Francisco, CA
Reg: 11-26-02
11-15-17 10:12 AM - Post#2714488    
    In response to 69chevyguy

Just so you know, the 6 lug rotors I was talking about are 12" diameter. Since you have 16" wheels, I think you should be ok with the disc conversion. My 40 had 16" wheels when I got it, and I remember they were narrow and without much offset. However, before you lay down any money, I would suggest that you ask the brake conversion vendor if your wheels will clear. They will be the best source of info about their products.

Ray

Those who choose an automatic transmission want transportation. Those who choose a manual transmission want to drive.


 
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