Saddletank sump modification

[DwrDeep]

I know that Spock500 successfully connected the tank halves with a sump modification, but I haven't found details.
I'm thinking of drilling a hole near the base of the upright tube in each sender unit, inserting tubes to hold the drain valves open, and connecting with a T so that both run to the main fuel feed.
Comments please?

 

[neilrr]

Why? What problem do you have that this drilling will solve? Does it involve WVO?

 

[DwrDeep]

WVO -It does indeed - I filter used oil to 1 micron & thin it with petrol in colder times, but have been warned to never let the tank run below ½ or I'll get problems.

 

[neilrr]

Half a tank sounds overly cautious, a quarter seems to be the number the # they go by on the bio-diesel forum.

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biopowered.co.uk

 

[DwrDeep]

Half a tank sounds overly cautious, a quarter seems to be the number the # they go by on the bio-diesel forum.

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Thanks -that's a new one for me, I used to be looking at the other veg forum but it kept going down. I wondered whether the Book of Faces had decimated it.

 

[DwrDeep]

Looking at the biodiesel forum (but finding little success in my search) I joined it in 2017 but forgot all about it . Thanks for the tip though, I may be brave enough to experiment with my car & will post any results

 

[DwrDeep]

Looking at the biodiesel forum (but finding little success in my search) I joined it in 2017 but forgot all about it . Thanks for the tip though, I may be brave enough to experiment with my car & will post any result

 

[DwrDeep]

This has apparently troubled many people (not just veggers) if looking at the various fora is anything to go by, and now I've bought a second-hand sender the solution seems so simple that all my head-scratching is ... comical. Of course, I could be wrong and if so I'll let you know, though the post I write may be unpublishable for the cursing.

On both this & the left hand sender already on my car I'll remove the internal feed tube & cut the black plastic tube which leads to the external feed about 10 mm above the base plate, fit twin left-hand senders, & link them with a T barb to the normal feed line.