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3foldfolly
Samba Member
Joined: March 08, 2009
Posts: 894
Location: Edwardsville, Il
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 Posted: Mon May 17, 2021 8:48 am Post subject: Speedometer glass |
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I accidentally cracked the glass lens in my 1954 speedometer by over tightening the speedo to dash retaining screws trying to establish a good ground for the speedometer illumination lights.  I hoping someone can tell me what year speedos use the same diameter glass. I suspect all from oval to 67 are the same but I am not certain. |
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66brm
Samba Member
Joined: January 25, 2010
Posts: 3676
Location: Perth Western Australia
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| Posted: Tue May 18, 2021 5:17 am Post subject: Re: Speedometer glass |
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Yeah pretty sure to they are the same, just find a trashed, common as muck 60's Speedo, strip it down and transfer the glass
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Aust. RHD 66 Type 1
Aust. RHD 57 Type 1 Oval
| modok wrote: |
| I am an expert at fitting things in holes, been doing it a long time |
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ZENVWDRIVER
Samba Member
Joined: November 07, 2008
Posts: 3340
Location: N.E. Oklahoma
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| Posted: Wed May 19, 2021 1:39 pm Post subject: Re: Speedometer glass |
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… the speedo glass in our 1950 11G cracked in half - we left that character for several years, but the new owner changed it, pretty fast - nothing is perfect was my feeling - z
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5/50, pastel green 11G - SOLD
8/50, gray 11A Beetle
6/52, pastel green 11C - SOLD
11/4/52, black Zwitter - SOLD to my little bro.
1954 Porsche, pre A, with VW 36 horse- SOLD
1/54, black 11C Beetle - TRADED
2/55 Iceland green Beetle, on a 1965 pan
3/55 113 Beetle, stratos silver
1955 Messerschmitt KR175 - SOLD, sadly
1960 single cab
1962 SO33, with SO 42 interior
9/63 Pacific blue, Ghia
'87 Toyota MR2
'02 WestFORDia E-150, GAVE TO OUR SON
All super-heroes, wear a MASK |
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Zwitterkafer
Samba Member
Joined: November 17, 2007
Posts: 879
Location: Lanark County, Ontario, Canada
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| Posted: Wed May 19, 2021 5:22 pm Post subject: Re: Speedometer glass |
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The glass diameters were the same for a long time. But there were differences in thickness. Accordingly, there are slight variations in the chrome bezels, and in the 3 rubber seals (or rubber seals + paper gasket). If a donor speedo has a different thickness glass, it may be best to transfer glass + bezel + gaskets. This prevents the completed assembly from being too tight or too loose.
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"Criticism comes easier than Craftsmanship"
- Zeuxius, 400 BC |
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3foldfolly
Samba Member
Joined: March 08, 2009
Posts: 894
Location: Edwardsville, Il
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| Posted: Thu May 20, 2021 7:10 am Post subject: Re: Speedometer glass |
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| Zwitterkafer wrote: |
| The glass diameters were the same for a long time. But there were differences in thickness. Accordingly, there are slight variations in the chrome bezels, and in the 3 rubber seals (or rubber seals + paper gasket). If a donor speedo has a different thickness glass, it may be best to transfer glass + bezel + gaskets. This prevents the completed assembly from being too tight or too loose. |
Thank you for this valuable information. |
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Zwitterkafer
Samba Member
Joined: November 17, 2007
Posts: 879
Location: Lanark County, Ontario, Canada
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| Posted: Thu May 20, 2021 1:36 pm Post subject: Re: Speedometer glass |
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No problemo! I had a flakey speedo ground once as well. I admit to performing a hack....I added a spade ground terminal under one of the two screws that hold the speedo head to the speedo casing. Easy connection point for a nice new brown push-on ground wire. Easily reversible when reverting to purist mode.
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"Criticism comes easier than Craftsmanship"
- Zeuxius, 400 BC |
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