[Healeys] 100 BN2 Fuel tank fitting stripped

[Kees Oudesluijs]

It there is enough meat, enlarge the hole until the thread is gone and 
tap a new bigger thread but check first what plugs are available to 
choose the thread..

Ethanol has nothing to do with this.

Kees Oudesluijs



Op 26-5-2020 om 06:09 schreef Bert Van Brande via Healeys:
> Hi,
>
> It's been a while!  After a long hiatus (putting 5 kids through college and working out of state and abroad). I am in the final stretch on restoring my 56 100 BN2.  The previous weekend, i finished the windscreen and this Memorial weekend, I installed and wired up the indicators (LED based) and installed the tonneau and some small tasks like fixing badges.  Interior and some small tasks are all that's left.
>
> My seat frames, bases, etc,.. have been on the way for 2 weeks but will arrive at Geoff Chrysler place tomorrow to work his magic.  He will also make the Armacord pieces for the rear deck.  I am happy Rich son is involved and continues his dad's legacy.
>
> I ran into a small snag that needs some technical advice: the thread on the (brass) female fuel fitting on my gastank has stripped and I can't get enough pressure to create a seal on the compression fitting.  When I bought the tank off ebay, I chased the threads some 9 years ago.  I then installed the fuel pIpe, sourced from Mr. Finespanner, so a stock/original setup.  The tank probably had an NPT fitting screwed in at some point in time, else i blame the ethanol.
>
> I am looking at my options:
>
> -Installing a 1/4 BSP Helicoil.  I not sure that I can drill/tap deep enough for the Helicoil, I don't want to destroy the mating surface of the compression fitting.
> -Drilling/tapping for a slightly larger diameter fitting.  1/4 NPT?  1/4 NPTF?  Same concern as above.
> -Finding an original 1/4 BSP flange fitting from a donor tank and solder it in place? Is the pickup line integrated?  Anybody has a donor?
> -Solder in the original 1/4 BSPP Male fitting and solder in the fuel pipe without the compression sleeve, cutting the line behind the bulkhead and reconnecting with a piece of flexible pipe.  All in a way the tank can be removed at later date.
> -Buy. a new fuel tank,
>
> I guess enough options, I am probably overthinking it.  What's the best solution?
>
> thanks,
>
> Bert
>
>
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>
>
>
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