Lotus Elan

Elan S4

PostPost by: miked » Thu Jun 10, 2004 11:33 am

Can anyone give me some help on this.

When I restored my car it had a new spyder tank with it. I fitted the fuel gauge sender float with a new gasket and blue hylomar. I was not confident as small brass screws went through the flange and gasket into the tapped holes of the tank. I felt sure that fuel would pass the threads. I tested and fitted it. I never really fill past half way so have perhaps not tested this properly. Recenty I uprated the rear shocks and had the car rear higher than the front for a week or so. Her that must be obeyed complained about a smell of fuel (integral garage) upon putting my hand down near the sender I felt a dribble of fuel.

Any suggestion of best way to seal. Is the sypder tank not same as original.

thanks Mike

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PostPost by: gjz30075 » Thu Jun 10, 2004 12:12 pm

You've got to use a fuel resistant type of sealant. I used Hylomar. Besides the usual Lotus vendors, I found any good aftermarket automotive supply place will carry it. Great stuff.

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PostPost by: Frank Howard » Thu Jun 10, 2004 3:38 pm


I went through the same ordeal that you did. I used hylomar on the sending unit where the six screws are and it leaked because hylomar can be broken down by gasoline. I then went and bought Permatex instant gas tank repair, item number 12020. It's kind of a two part putty, gray and black. You roll it around in your hand to mix the two parts together and form it into a "worm". Then apply it. I have had no leaks since I did this last year. Good luck!

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