Lotus Elan

petrol leak

PostPost by: pharriso » Thu Feb 28, 2019 11:53 pm

I had one of the studs crack on my tank last year, took the tank out & discovered corrosion just in time. Fortunately a good friend is a certified welder. Rinsed the tank out many times with water, then left in the sun for several days before welding / patching . Shipping a gas (petrol) tank to the States is almost as much as buying one...

Here are my photos of the crack & the repair:
img_8528.jpg and
Crack where stud is welded to the tank

img_8575.jpg and
Patched corroded area

img_8611.jpg and
Welding complete & Por-15'd
Phil Harrison
1972 Elan Sprint 0260K
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PostPost by: tedtaylor » Fri Mar 01, 2019 2:29 am

nice work Phil
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PostPost by: Robbie693 » Mon Mar 04, 2019 12:50 am

Bigbaldybloke wrote:Watched a recent version of Wheeler Dealer on TV, they had a car with a leaky petrol tank and found a local specialist who made a patch and soldered it into place then pressure tested the tank, so have a search locally as there are people out there who do that type of repair.


I saw that too, apparently they steam cleaned it to remove the fuel fumes.

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PostPost by: tedtaylor » Mon Mar 04, 2019 3:47 am

everyone had me scared to death before I attempted to "plastic-weld" my M100 fuel tank while in situ. to combat my fears, I poured a thimble full of gasoline into an open bottle cap and took my very hot welding/soldering iron and dipped it right into the gasoline. nothing happened. the gas started to boil, but no ignition, no explosion, no burning.
there was gas in the tank when I plastic welded the bottom leaking seam with no problems..... just rattled nerves!
:lol:

of course using a torch with open flame would NOT be recommended or attempted while brazing/soldering a metal tank, so i know it's "apples and oranges".
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