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Mk1/2 escort fuel tank outlet fitting


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Evening all, i hope everyone is well? I was wondering if anyone has ever successfully sourced a fitting for the large threaded outlet on a mk1/2 escort (and presumably some other models)? Many people seem to believe its a 3/4 bspp, but the diameter is not quite right and also 3/4bspp is 14tpi whereas the original fitting is 12tpi. In fact I make the required thread exactly 1”-12unf, and for love nor money i cant find any adapters that will fit... ive spoke to many hydraulics companies, fuel tank restorers, pre war steam engine restorers ... and no one has ever heard of anything that will suit.

I do have a temporary solution in place but trying to find something that fits has become an obsession! Ive attached a picture of the original fitting for reference. 

If anyone is interested, i can get some custom adapters made (1”-12male -> 10AN male) but i need to order 10 @£25 each so i can only do that with interest from elsewhere!

kind regards

joe

41282D95-55FA-4550-A782-DB454A8A0C9F.jpeg

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Hi there,

Im in the process of fitting an st170 engine so i wanted to open the diameter up. I also wanted to use off the shelf AN fittings - really for no more than asthetics if im honest.

Thats where this all started and I'm afraid now, finding an adapter to fit the large thread, and convert to an AN fitting has become an obsession! 

The original fitting i have modified and welded an AN fitting on which will do, but I'm awaiting some technical drawings back from a company that are going to custom make what im after. Ill have 10 @ £25 each if you are interested!

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I went through the same sort of thing and wanted to increase to 8mm internal pipe and came up with this solution which was to fit a banjo bolt into the outlet which keeps the pipe close to the under body

F75889F2-FF13-49E8-B4EE-8926C4B0C9A2.jpeg

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That looks really neat! Im going to use an an10 90 fitting from the bottom of the adapter. So what does the banjo bolt on yours thread into - have you opened the hole in the large threaded part that goes into the tank and tapped it to suit?

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Got you, that does look good. What I have done is cut off the nut from the top and opened the hole out to 13mm from memory. I've then welded an An10 fitting on top. The thing thats frustrating is that i cant find an adapter that fits into the large threaded part of the tank. Its really odd - nothing matches. Its  SAE ,JIC, ORFS, etc etc. And no one seems to be know either!

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Sorry, not bspp and not tapered so not bspt or npt. The closest you can get that I've found is 1 -1/16” -12TPI which is an sae fitting but the 1/16” means it just wont fit. Its undoubtedly 1” -12TPI (someone on turbosport had an old parts page that showed the fitting and ford referred to it simply as ‘1” fitting’).

You could get away with M25/2 but again you might aswell be looking for unicorns! 

Im more than happy to have these made, and im getting more and more people each day ask about them, so if everyone asking buys one ill have none left! Clearly something a few people have pondered in the past. 

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  • 1 month later...

Hi I’ve just removed the standard fuel tank from my Escort MK1 to refurbish. The Fuel Outlet Connector came out sweet but then I couldn’t remove the Union 5/16 UNF & ended up breaking it off inside the Fuel Outlet Connector so looking for options. THAT banjo set up is ace! What size banjo please?

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  • 7 months later...

Hi, did you manage to make some of those adaptors in the end? if you did do you have any still that i could buy? im looking to convert to all AN lines and like how this thread started im stuggling to find the correct thread pattern for the outlet of my tank.

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Hi there, 

Sorry no I personally never progressed this. I got as far as designing the adapter and getting it drawn up, but I couldn't fulfill the minimum order quantity. I've attached the drawing below if its any use to you, it will thread into the tank and gives a -10 end (better too big than too small and can always be adapted down).

The good news though, is that MotorSport Tools contacted me via TurboSport on the other thread open for this. And they are actually going to be making and stocking this very thing by the end of the year (or so they say...) :

http://www.turbosport.co.uk/showthread.php?t=1588441&page=2

image.thumb.png.db38f48637ea3377ad5db06044099297.png

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