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Rear Axle Question

Rear Axle Question

2003-05-01 by ronald.mcleod@aspentech.com

Maniacs . . .

I don't know whether anyone can help me on this, but here goes.

The rear axle on my Mantis is from (I was told) a 1970 German Ford Capri 3
litre.  The Marcos brochure says the ratio is 3.2:1, if that helps.  I need
new bearings for the rear axle - these bearings are on the very ends of the
housing.  I have found one bearing - a Ford part - from a local supplier of
classic Ford parts, and another bearing - an SKF - from a local bearing
shop.  The 2 bearings are dimensionally identical.  However, the Ford
bearing has a rubber O-ring around it on the outer surface, i.e. the surface
that would mate up to the anulus in the end of the axle housing.  The SKF
bearing does not have an O-ring.

My question is: can I use the SKF bearing?  The fit of the bearing into the
anulus in the end of the axle housing seems to be fairly tight, so what is
the purpose of the O-ring on the Ford bearing?

Regards . . . Ron McLeod
1970 Marcos Mantis P8/5858

Re: Rear Axle Question

2003-05-01 by Dave Barton

Hi Ron
  When I restored the frame on my Marcos the rear end was stripped
down and had new bearings put in it , I probably got them from the 
same place as you, on Woody Rd in Oakville ,right?
   I think the reason for a seal is so that any rear end oil that 
might find its way to the end of the axle tube does not get out and 
all over the brakes.......the bearings I got did not have a lip seal 
but were a tight fit also, I don't think gear oil could get by them
   Cheers Dave#5577






--- In MarcosManiacs@yahoogroups.com, ronald.mcleod@a... wrote:
> Maniacs . . .
> 
> I don't know whether anyone can help me on this, but here goes.
> 
> The rear axle on my Mantis is from (I was told) a 1970 German Ford 
Capri 3
> litre.  The Marcos brochure says the ratio is 3.2:1, if that 
helps.  I need
> new bearings for the rear axle - these bearings are on the very 
ends of the
> housing.  I have found one bearing - a Ford part - from a local 
supplier of
> classic Ford parts, and another bearing - an SKF - from a local 
bearing
> shop.  The 2 bearings are dimensionally identical.  However, the 
Ford
> bearing has a rubber O-ring around it on the outer surface, i.e. 
the surface
> that would mate up to the anulus in the end of the axle housing.  
The SKF
> bearing does not have an O-ring.
> 
> My question is: can I use the SKF bearing?  The fit of the bearing 
into the
> anulus in the end of the axle housing seems to be fairly tight, so 
what is
Show quoted textHide quoted text
> the purpose of the O-ring on the Ford bearing?
> 
> Regards . . . Ron McLeod
> 1970 Marcos Mantis P8/5858

Re: [MarcosManiacs] Rear Axle Question

2003-05-05 by Christian Fey

Hello Ron, unfortunally I can not help you, but in my Mantula I-  bought last year - I have the same german Capri axle but another ratio. The pre-owner did

RE: [MarcosManiacs] Rear Axle Question

2003-05-06 by ronald.mcleod@aspentech.com

Christian . . .
;
Thank you very much for this.
Maniacs with old Ford bits in their cars - engine, transmission, axle - need to bookmark this site. Their catalog - with pictures - is available online, and they have parts for both German and English Fords.

Regards . . . Ron McLeod

Show quoted textHide quoted text
-----Original Message-----
From: Christian Fey [mailto:Baufi-Fey@...]
Sent: Monday, May 05, 2003 4:35 PM
To: MarcosManiacs@yahoogroups.com
Subject: Re: [MarcosManiacs] Rear Axle Question

Hello Ron,

unfortunally I can not help you, but in my Mantula I- bought last year - I have the same "german Capri axle" but another ratio. The pre-owner did not check the oil in the rear axle and all the bearings were ....

Some of my clients work in the construction department of Ford Cologne and they gave an address in Munic. Ford himself makes no effords at all for the "oldies". The people in Munic are very very helpfull and they can deliver nearly everything, new, second hand, or rebuild.

The website is: www.oldcars.de The language is german or englisch

The website for the rear axle is: www.oldcars.de/kataloge/capri/Capri_deutsch.htm

I´am sure the company will ship the parts to Kanada and you can ask for advice via E-Mail.

If I can help you here from Germany, contact me.

kind regards

Christian Fey
______________________________________________________________________________
UNICEF bittet um Spenden fur die Kinder im Irak! Hier online an
UNICEF spenden: https://spenden.web.de/unicef/special/?mc=021101

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RE: [MarcosManiacs] Re: Rear Axle Question

2003-05-06 by ronald.mcleod@aspentech.com

Dave . . .
Thanks. Looks like I will get to do a side-by-side comparison test, as I have one of each. My plan is to find some good twisty roads this summer, get that oil sloshing back-and-forth, and see what happens.

Regards . . . Ron McLeod

Show quoted textHide quoted text
-----Original Message-----
From: Dave Barton [mailto:dbarton62@yahoo.ca]
Sent: Thursday, May 01, 2003 7:19 PM
To: MarcosManiacs@yahoogroups.com
Subject: [MarcosManiacs] Re: Rear Axle Question

Hi Ron
When I restored the frame on my Marcos the rear end was stripped
down and had new bearings put in it , I probably got them from the
same place as you, on Woody Rd in Oakville ,right?
I think the reason for a seal is so that any rear end oil that
might find its way to the end of the axle tube does not get out and
all over the brakes.......the bearings I got did not have a lip seal
but were a tight fit also, I don't think gear oil could get by them
Cheers Dave#5577






--- In MarcosManiacs@yahoogroups.com, ronald.mcleod@a... wrote:
> Maniacs . . .
>
> I don't know whether anyone can help me on this, but here goes.
>
> The rear axle on my Mantis is from (I was told) a 1970 German Ford
Capri 3
> litre. The Marcos brochure says the ratio is 3.2:1, if that
helps. I need
> new bearings for the rear axle - these bearings are on the very
ends of the
> housing. I have found one bearing - a Ford part - from a local
supplier of
> classic Ford parts, and another bearing - an SKF - from a local
bearing
>; shop. The 2 bearings are dimensionally identical. However, the
Ford
> bearing has a rubber O-ring around it on the outer surface, i.e.
the surface
> that would mate up to the anulus in the end of the axle housing.
The SKF
> bearing does not have an O-ring.
>
> My question is: can I use the SKF bearing? The fit of the bearing
into the
> anulus in the end of the axle housing seems to be fairly tight, so
what is
> the purpose of the O-ring on the Ford bearing?
>
> Regards . . . Ron McLeod
> 1970 Marcos Mantis P8/5858



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Re: [MarcosManiacs] Re: Rear Axle Question

2003-05-06 by Mike Denman

Hi group,
The rear axle bearings and seals..... lets start with the rear axle housing... my housing has a flange (essentially a washer) which is slightly larger than the axle diameter welded to the axle housing on the differential end. The purpose of this flange is to keep most of the oil out of the axle tubes and off your rear brake shoes. In addition, the outer axle bearing has a seal for the same purpose. In addition, the rear axle retainers (basically large steel donuts that are pressed onto the axle to keep the axle in place) will also help keep the oil out. From my understanding, some of the axle housings lack the inner "washer/ flange" but one could be made and welded in easily enough. It would probably take awhile for the oil to reach the rear brake shoes through normal driving if the seals were missing or bad. The seals were bad on my car when I originally purchased it as I found out by parking the car sideways on a hill.... the down hill side had a puddle of rear end oil by the rear tire the next day. One problem to be aware of is that some (all?) the bearing retainers are not the correct thickness which will prevent the axles from being installed correctly. The retainers can be "fixed" if you have access to a lathe. So, be sure and check the new retainers against the old retainers before you press the new retainers onto your axles.
Mike Denman
Chassis #4079
----- Original Message -----
Show quoted textHide quoted text
Sent: Tuesday, May 06, 2003 6:30 AM
Subject: RE: [MarcosManiacs] Re: Rear Axle Question

Dave . . .
Thanks. Looks like I will get to do a side-by-side comparison test, as I have one of each. My plan is to find some good twisty roads this summer, get that oil sloshing back-and-forth, and see what happens.

Regards . . . Ron McLeod

-----Original Message-----
From: Dave Barton [mailto:dbarton62@...]
Sent: Thursday, May 01, 2003 7:19 PM
To: MarcosManiacs@yahoogroups.com
Subject: [MarcosManiacs] Re: Rear Axle Question

Hi Ron
When I restored the frame on my Marcos the rear end was stripped
down and had new bearings put in it , I probably got them from the
same place as you, on Woody Rd in Oakville ,right?
; I think the reason for a seal is so that any rear end oil that
might find its way to the end of the axle tube does not get out and
all over the brakes.......the bearings I got did not have a lip seal
but were a tight fit also, I don't think gear oil could get by them
Cheers Dave#5577






--- In MarcosManiacs@yahoogroups.com, ronald.mcleod@a... wrote:
> Maniacs . . .
>
> I don't know whether anyone can help me on this, but here goes.
>
> The rear axle on my Mantis is from (I was told) a 1970 German Ford
Capri 3
> litre. ; The Marcos brochure says the ratio is 3.2:1, if that
helps. ; I need
> new bearings for the rear axle - these bearings are on the very
ends of the
> housing. I have found one bearing - a Ford part - from a local
supplier of
> classic Ford parts, and another bearing - an SKF - from a local
bearing
> shop. The 2 bearings are dimensionally identical. However, the
Ford
> bearing has a rubber O-ring around it on the outer surface, i.e.
the surface
> that would mate up to the anulus in the end of the axle housing.
The SKF
> bearing does not have an O-ring.
>
> My question is: can I use the SKF bearing? The fit of the bearing
into the
> anulus in the end of the axle housing seems to be fairly tight, so
what is
> the purpose of the O-ring on the Ford bearing?
>
> Regards . . . Ron McLeod
> 1970 Marcos Mantis P8/5858



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RE: [MarcosManiacs] Re: Rear Axle Question

2003-05-06 by ronald.mcleod@aspentech.com

Mike . . .
Good info - thanks.
Interestingly, the Ford bearing is supplied without a retainer ring, and the SKF bearing comes with a retainer ring.

Regards . . . Ron McLeod
1970 Marcos Mantis P8/5858

-----Original Message-----
Show quoted textHide quoted text
From: Mike Denman [mailto:mikedenman@...]
Sent: Tuesday, May 06, 2003 10:13 AM
To: MarcosManiacs@yahoogroups.com
Subject: Re: [MarcosManiacs] Re: Rear Axle Question

Hi group,
The rear axle bearings and seals..... lets start with the rear axle housing... my housing has a flange (essentially a washer) which is slightly larger than the axle diameter welded to the axle housing on the differential end. The purpose of this flange is to keep most of the oil out of the axle tubes and off your rear brake shoes. In addition, the outer axle bearing has a seal for the same purpose. In addition, the rear axle retainers (basically large steel donuts that are pressed onto the axle to keep the axle in place) will also help keep the oil out. From my understanding, some of the axle housings lack the inner "washer/ flange" but one could be made and welded in easily enough. It would probably take awhile for the oil to reach the rear brake shoes through normal driving if the seals were missing or bad. The seals were bad on my car when I originally purchased it as I found out by parking the car sideways on a hill.... the down hill side had a puddle of rear end oil by the rear tire the next day. One problem to be aware of is that some (all?) the bearing retainers are not the correct thickness which will prevent the axles from being installed correctly. The retainers can be "fixed" if you have access to a lathe. So, be sure and check the new retainers against the old retainers before you press the new retainers onto your axles.
Mike Denman
Chassis #4079
----- Original Message -----
Sent: Tuesday, May 06, 2003 6:30 AM
Subject: RE: [MarcosManiacs] Re: Rear Axle Question

Dave . . .
Thanks. Looks like I will get to do a side-by-side comparison test, as I have one of each. My plan is to find some good twisty roads this summer, get that oil sloshing back-and-forth, and see what happens.

Regards . . . Ron McLeod

-----Original Message-----
From: Dave Barton [mailto:dbarton62@...]
Sent: Thursday, May 01, 2003 7:19 PM
To: MarcosManiacs@yahoogroups.com
Subject: [MarcosManiacs] Re: Rear Axle Question

Hi Ron
When I restored the frame on my Marcos the rear end was stripped
down and had new bearings put in it , I probably got them from the
same place as you, on Woody Rd in Oakville ,right?
I think the reason for a seal is so that any rear end oil that
might find its way to the end of the axle tube does not get out and
all over the brakes.......the bearings I got did not have a lip seal
but were a tight fit also, I don't think gear oil could get by them
Cheers Dave#5577






--- In MarcosManiacs@yahoogroups.com, ronald.mcleod@a... wrote:
> Maniacs . . .
>
> I don't know whether anyone can help me on this, but here goes.
>
> The rear axle on my Mantis is from (I was told) a 1970 German Ford
Capri 3
> litre. The Marcos brochure says the ratio is 3.2:1, if that
helps. I need
> new bearings for the rear axle - these bearings are on the very
ends of the
> housing. I have found one bearing - a Ford part - from a local
supplier of
> classic Ford parts, and another bearing - an SKF - from a local
bearing
> shop. The 2 bearings are dimensionally identical. However, the
Ford
> bearing has a rubber O-ring around it on the outer surface, i.e.
the surface
> that would mate up to the anulus in the end of the axle housing.
The SKF
> bearing does not have an O-ring.
>
> My question is: can I use the SKF bearing? The fit of the bearing
into the
> anulus in the end of the axle housing seems to be fairly tight, so
what is
> the purpose of the O-ring on the Ford bearing?
>
> Regards . . . Ron McLeod
> 1970 Marcos Mantis P8/5858



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