Lotus Elan

Breather pipe

PostPost by: pburgess000 » Mon Mar 19, 2012 5:33 pm

That short pipe between the head and the Weber airbox went missing when I had the head rebuilt recently.
Have any of you guys made one up from scratch? I don?t seem to be able to find one complete.

Thanks

Peter Burgess

BTW Octane has a feature comparing four Elans at Hethel by my friend John Simister. Part of the 50 years of the Elan celebration. Should be the May issue, or possible June. Or April. You can never tell with these publishers. My car is one of the four, the others are John's S3 fhc, Brain Smart's timewarp dhc and Lotus engineer Nick Adams with a BRM engined dhc (twin cam, not H16). Roger Becker came out for a drive too. A fun day, but not without incident.
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PostPost by: bast0n » Mon Mar 19, 2012 5:54 pm

Peter

I used a bit of copper pipe - 15mm from memory, or it might have been 22mm! I can measure if you like. I assume that you still have the two rubbery bits that fit on each end of the pipe.............. :?:
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PostPost by: pburgess000 » Mon Mar 19, 2012 6:05 pm

David,

Thanks, the pipe size would be useful. As for the rubber bits, there's certainly a grommet in the head.

Peter
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PostPost by: holywood3645 » Mon Mar 19, 2012 9:03 pm

I bought a machined on that uses O rings from the elan factory in AU. Nice fit and finish

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PostPost by: types26/36 » Mon Mar 19, 2012 9:20 pm

......or you could always use one of Cliveyboy?s breather pipes, enable's the use of a catch tank if desired.
http://www.cliveyboy.com/lotus.html
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PostPost by: Henry VIIII » Mon Mar 19, 2012 10:07 pm

As far as I recall 15mm plumbing pipe is a good fit. And a bit of garden hose to connect to the airbox and some jubilee clips.
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PostPost by: types26/36 » Mon Mar 19, 2012 10:14 pm

Henry VIIII wrote: a bit of garden hose to connect to the airbox and some jubilee clips.


May be that should be posted in free-parking-f19/bodges-you-found-done-your-elan-t23590.html :lol: :lol: :lol:
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PostPost by: Henry VIIII » Mon Mar 19, 2012 10:20 pm

types26/36 wrote:
Henry VIIII wrote: a bit of garden hose to connect to the airbox and some jubilee clips.


May be that should be posted in free-parking-f19/bodges-you-found-done-your-elan-t23590.html :lol: :lol: :lol:



OK,OK, :shock: use some heater hose then.. :lol:
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PostPost by: pburgess000 » Tue Mar 20, 2012 4:20 pm

Thanks everyone, some great ideas here,

Peter
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PostPost by: johnsimister » Tue Mar 20, 2012 10:41 pm

Peter, I bought the pipe for mine from Paul Matty. Worth a call. It has a slight bend in it, I think, and - crucially - it has a conical piece of mesh inside to act as a flame trap. Otherwise if the carbs spit back the flame could conceivably ignite the crankcase fumes and blow the engine to smithereens.

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PostPost by: Henry VIIII » Wed Mar 21, 2012 12:08 am

johnsimister wrote:Peter, I bought the pipe for mine from Paul Matty. Worth a call. It has a slight bend in it, I think, and - crucially - it has a conical piece of mesh inside to act as a flame trap. Otherwise if the carbs spit back the flame could conceivably ignite the crankcase fumes and blow the engine to smithereens.

John


The stainless steel mesh roll that you can buy to put in your kettle (to reduce calcification from hard water) should do nicely for that role of flame preventer.
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