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50Splitman
Samba Member
Joined: April 29, 2004
Posts: 366
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 Posted: Sun Feb 11, 2024 1:00 pm Post subject: Oval vs. split beetle steering box differences |
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Besides the larger sector shaft diameter, and the top cover ribs added, is there any other difference?
if I change the pitman arm to the 28mm size, are they fully interchangeable? |
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heimlich 
VWNOS.com
Joined: November 20, 2016
Posts: 6662
Location: Houston, Texas
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| Posted: Mon Feb 12, 2024 3:02 pm Post subject: Re: Oval vs. split beetle steering box differences |
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| 50Splitman wrote: |
Besides the larger sector shaft diameter, and the top cover ribs added, is there any other difference?
if I change the pitman arm to the 28mm size, are they fully interchangeable? |
There's lots of differences. My understanding is they were meant to be interchangeable. You just need to change the pitman arm.
I have had one person have trouble with putting the later box on their Oval. It looked like the body had slid over too much on the beam. Otherwise, the box is going to sit right against that wall.
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50Splitman
Samba Member
Joined: April 29, 2004
Posts: 366
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| Posted: Mon Feb 12, 2024 3:21 pm Post subject: Re: Oval vs. split beetle steering box differences |
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Thanks - I have 2 boxes side-by-side, and I just bolted up the oval box on my 50 and everything lines up except the pitman, but I have one of those ordered and on the way.
So far, it looks like it will work. My original 50 box is just too worn out with a ton of play, but the adjustment screw is bottomed out to the lock nut at this point, and no adjustment left.
I'll keep on the lookout for parts to rebuild it and reinstall when I do. Meanwhile, I didn't know if there were any steering ratio or lock-to-lock differences to look out for, etc. |
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s.e.charles
Samba Member
Joined: March 26, 2015
Posts: 243
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| Posted: Tue Feb 13, 2024 11:25 pm Post subject: Re: Oval vs. split beetle steering box differences |
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not as exciting as the previous answers, but something i meant to ask anyway.
Q: there's a round access panel in the trunk to access the steering box. what is the matching one on the passenger side do?
and while we have the spare removed, what is the black cylinder on the shelf nest to the steering box access do?
thanks |
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Martin Southwell
Samba Member
Joined: November 24, 2010
Posts: 997
Location: Bath, England
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| Posted: Wed Feb 14, 2024 6:19 am Post subject: Re: Oval vs. split beetle steering box differences |
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| Two access panels means the body can be used with either a left, or right hand drives chassis. As for black cylinder, I assume you are talking about the brake fluid reservoir. |
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s.e.charles
Samba Member
Joined: March 26, 2015
Posts: 243
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| Posted: Wed Feb 14, 2024 6:43 am Post subject: Re: Oval vs. split beetle steering box differences |
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| got it; thank you! |
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vintage water
Samba Member
Joined: September 17, 2020
Posts: 77
Location: CONCARNEAU
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| Posted: Sun Apr 28, 2024 2:58 am Post subject: Re: Oval vs. split beetle steering box differences |
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bonjour ;
Pouvez vous me donner le diamètre de la sortie de l'arbre ou se pose de pit man svp
Serais ce du 22 mm ?
merci d'avance ! |
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wagen19
Samba Member
Joined: November 16, 2007
Posts: 35
Location: germany
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vintage water
Samba Member
Joined: September 17, 2020
Posts: 77
Location: CONCARNEAU
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| Posted: Mon Apr 29, 2024 9:37 am Post subject: Re: Oval vs. split beetle steering box differences |
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bonjour .
ok donc a partir des premières coccinelles jusqu'au châssis numéro 0 397 022 c'est bien cela !
et donc jusqu'à septembre 1952
j'ai bon ?
et je voulais savoir autrement si sur les Porsche .356 il y a avait pu être la même monte de boitier ?
merci beaucoup |
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wagen19
Samba Member
Joined: November 16, 2007
Posts: 35
Location: germany
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| Posted: Mon Apr 29, 2024 11:44 pm Post subject: Re: Oval vs. split beetle steering box differences |
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| vintage water wrote: |
bonjour .
ok donc a partir des premières coccinelles jusqu'au châssis numéro 0 397 022 c'est bien cela !
et donc jusqu'à septembre 1952
j'ai bon ?
et je voulais savoir autrement si sur les Porsche .356 il y a avait pu être la même monte de boitier ?
merci beaucoup |
Bonjour,
oui, cést bon. - so far.
Porsche 356 pre A till 9´55 and 356 A 10´55 till 9´57 (end of 356 A T 1) used the VW units, first with 22 mm and later with 28 mm shaft, but with different and special Porsche steering drop arms (= levier de direction).
Porsche 356, Modellyear 1953 was the change from 22 mm to 28 mm shaft.
In original Porsche 356 pre A "Reparaturleitfaden" from 1954 are pics with the steering box, with VW logo. The exact date for the switch from 22 mm to 28 mm at 356 is (for me) unknown, but I assume, it was along the 1953 model change. Maybe in the 356 forum, you can find a pre A specialist.
At Porsche official info, you can´t find this answer.
If you give details from your car, 356 or 356 A or what else, a clear answer is more possible. |
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vintage water
Samba Member
Joined: September 17, 2020
Posts: 77
Location: CONCARNEAU
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| Posted: Tue Apr 30, 2024 5:00 am Post subject: Re: Oval vs. split beetle steering box differences |
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salut !
je te remercie pour tes informations précieuses en vu d'avancer sur mes connaissances en la matière de boitiers de direction
voila sur quoi je m'interrogeais justement !
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