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Re: Fuel Tank Sending Unit inop when installed
gallatin #1411302 Tue May 25 2021 03:16 PM
Joined: Mar 2014
Posts: 2,364
Thanks Phil,
The link to stage 2 shows the best of all sending units I've been able to make. It is the most stable, the most simple, the most accurate and will be extremely long-lasting. But due to the increase in the cost of brass and resistance wire lately it can't be made economically and therefore I'll have to wait to start making these for sale.

And please...anyone who is buying a sender unit, consider the 0 - 30 ohm units sold on eBay by a seller whose ID is renbusan. I've said for years these are the best of all available options and they are far superior to the ones being sold by the usual suspects of vendors out there. Recently a friend asked "why are these better?" They're better for a few reasons. One, the body is made of nylon and the circuit board of fiberglass. Two, the wiping surface is flat and vertical. That is infinitely better than the semi-circle arc type, but is more difficult and costly to make and with the arc somebody making senders only needs to come up with one. "One size fits all?" Well, no it actually doesn't. It leads quickly to inaccuracy and failure. Three, the wiping surface is made of tiny metal pieces, rounded on each end which are bonded to the fiberglass and which begin set into a poured-in-place resistive compound. Very accurate and a clever design. Four, it is made in Taiwan and it was designed by somebody who knew exactly what they were doing. Take a look at the image below. Increase the size if you can and you'll see what I'm talking about when you look at the metal fingers. This is the unit:

And the image of it is below...

Attached Files
IMG_8455.JPG (88.84 KB, 50 downloads)


1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: Fuel Tank Sending Unit inop when installed
gallatin #1411645 Thu May 27 2021 10:24 PM
Joined: May 2005
Posts: 8,245
Sir Searchalot
.................and Ethanol has no effect on the nylon or fiberglass.

Watch out for careful drivers!!!
I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.
Sometimes no nonsense makes sense, in a sense.
You can't teach a new dog old tricks.
Honk if you're Amish

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