Plus 2 Fuel cap leaks

PostPost by: Rich135 » Thu Feb 21, 2019 6:05 am

Thanks Vince. Looks a good job.
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PostPost by: pcarew » Tue May 03, 2022 2:18 am

Paul Carew
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1967 Lotus Elan S3SE Right Hand Drive, FHC 36/7152 BOO 758F
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PostPost by: alan.barker » Tue May 03, 2022 8:27 am

MX5 Mod is the only way for 100% no leaks with a full Tank.
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PostPost by: miked » Tue May 03, 2022 9:37 am

I disagree. Did thousands of miles with the repair when i started this thread. With high levels in my tank.
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PostPost by: marode » Tue May 31, 2022 11:27 am

Also I disagree. All you have to do is block the vent hole that's in the cap, because the fuel escapes there in my opinion. I modified my fuel filler cap years ago with a seal that blocks the vent hole (not needed, tanks are vented fair enough thru the tubes). Had no fuel spilling ever since. The seal is like this: https://www.ebay.co.uk/itm/282486506233
Also note the extra o-ring I made up and placed in the filler neck.
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fuel filler mod Elan.jpg and
Last edited by marode on Wed Jun 01, 2022 5:20 am, edited 1 time in total.
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PostPost by: alan.barker » Tue May 31, 2022 2:48 pm

Nice job.
Do you have a Locking Fuel Cap as the leak can be the Lock Mechanism.
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