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taterry
USA
107 Posts |
 Posted - 11/07/2009 : 17:07:01
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I know that you all are at Silverstone now, but perhaps next weekend someone can give me a source for the Dowty seal washers that will fit the sump filter nut on my N type...
Tnx
Terry in Oakland, CA |
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LewPalmer
USA
3251 Posts |
Posted - 11/07/2009 : 18:37:25
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Terry,
Not a bad idea, however I made my own washer out of a 1/16" thich piece of teflon. A 4"X12" sheet of material was $2.00 at the local plastics store.
Did you ever find a source for the wiper arms?
Lew Palmer
Registrar, NAMMMR |
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taterry
USA
107 Posts |
Posted - 11/07/2009 : 20:57:33
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Lew, I don't see how teflon would seal much better than the fiber washer....?? I think the Dowty washer would be much better...right now I'm hoping Gasolia will seal it. Re wiper arms, no, I've never found a source for the old 30's style...I'm using T types on the NA now.
Cheers
Terry |
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Bruce Sutherland
United Kingdom
1579 Posts |
Posted - 11/07/2009 : 22:52:59
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Terry, Peter Scott's July 2005 posting identified that Dowty seals can be obtained from http://www.hydrasun.com/index.htm - look under Adaptor and Pipe Fittings - Sealing Products - BSPP, Bonded Seal.
There's a whole range of imperial and metric sized Dowty/Ashton Bonded Seals.
Bruce. (PB0564) |
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Brian Kelly
USA
526 Posts |
Posted - 12/07/2009 : 04:45:19
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As a matter of interest, what size BSP is the thread? From earlier postings on this topic it was stated to be 1-1/8" BSP.
I beleive that 1-1/8" BSP doesn't exist. Would it be 1-1/4" BSP?
Here's a direct link to Bruce's suggested site.
http://www.hydrasun.com/catalogue/page.aspx?i=1194&s=0006012080
Brian.
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Peter Scott
United Kingdom
1240 Posts |
Posted - 12/07/2009 : 10:00:09
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Terry
Most bearing stockists sell seals including Dowty seals. So I would suggest that you try your local bearing stockist.
However for a Dowty seal to be effective you need the face of the casting to be very good right up to the inner edge. An old ally casting may not have a clean enough face for the Dowty seal to work.
Peter |
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Terry Andrews
United Kingdom
546 Posts |
Posted - 18/07/2009 : 19:32:05
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Hi,
I seem to have missed this thread getting ready for Silverstone. The nut is 1 1/8 BSW or the BSF equivalent. The use of sockets or Stilsons to my mind is not the way to go. 
I bought a large BSW ring spanner for buttons  at a auto jumble and then cut it in two with an angle grinder  . See picture. The length is such that you can undo the large nut with the car on the ground and also the leverage is such that there is less danger of striping the thread of the sump and the union. The ring is also cut so that it will just slip over the sump to pump oil pipe . The ring allows you to hold the large sump nut whilst tightening the sump to pump unions . It is not unknown to the pipe to twist and get damaged  .
Hope this helps?  ąą regardsą.. Terry
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Rodney Collins
United Kingdom
424 Posts |
Posted - 20/07/2009 : 09:12:10
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Peter its economics, lots of people use 50mm but 17/8, not too much call for those these days. Unless of course you happen to own a T/MMM.
Rodney
ps hope you and yours are fit and well. |
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