Some carbs have the fuel return to the tank and some don't.
I can't remember if the DMTR did or not. I've got a couple but they are an hours drive away. Some use the screw in fuel filter and some don't, even if it does have one i would always fit an inline filter before the fuel pump.

The link you gave is to a DMTL not a DMTR, which is your new carb ?
Is it a new DMTR kit from Webcon ?
Can you send a couple of pictures of the new carb and it's pipes including the one that is blanked off (whats it blanked off with).

Jim


On 16/04/2016 20:18, Niall McCracken wrote:
Hello there - we've probably established by now that I'm an idiot with no 
mechanical experience....

Anyway, managed to rewire my dash and get the clock going today (thanks Jim!) 
also discovered the last guy never wired up the dash backlights which may 
explain why it was really really dim at night...


Anyway, I was on a roll, so decided to fit my new carb - a 32/34 Dmtr from 
webcon. But I have a problem - knowing next to nothing about cars (and not 
having an installation guide as promised (thanks webcon), my assumption that 
the new carb would have the same fittings as the old was naive /misguided. My 
old dft has a fuel pipe that goes into a metallic filter or something and that 
screwed into the carb body. Next to that there's another pipe with a brass 
fitting. I assumed that was some sort of float overflow or similar because it 
seems to come from the petrol tank too.

But the new carb doesn't have any way (that I can see) of plugging both these 
pipes in. There's no thread at all for adding the fuel pipe filter attachment 
(well there is but its blanked off) but there is the brass tube thing that the 
overflow was on before. If I plug the fuel line into this one (I honestly can't 
see where else it would go) then I've got no overflow (or whatever it is) pipe 
anymore? I did try it this was but the quantum was having none of it - it 
almost caught but then just filled the carb with petrol.... Yippee.

Anyway, as ever, HELP!!!!

Photo here kind of explains what I mean I hope!

http://www.pngclub.com/forum/showthread.php?75232-Weber-32-34-DMTL



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