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face="Comic Sans MS">For interested listers ...</FONT></DIV>
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<DIV>Ever since I acquired my BJ8 I have been frustrated with the fuel sender
unit and gauge performance and reliability. Changed out the sender 2x and many
hours fiddling with gauge adjustment that really with the dual attracted
armature mechanism is a challenge. The MS sender ground strap solution helps if
you have a problem with crud in the shaft bushes but doesn't help for bad sender
coil winding or slider contact malfunction. </DIV>
<DIV>So. I embarked on a mini science type project to do a full replacement with
a capacitive electronic fuel probe and a modern stepper motor type of gauge. The
biggest challenge was getting the probe to fit into the original sender unit
opening. Our tanks have a 6 hole flange and modern cars use a 5 hole SAE bolt
pattern and an adaptor wasn't feasible. In the end used a probe with 1/8 npt and
remote electronics. With careful arrangement of the Al mounting flange that had
to be made, was able to get the probe to also measure the fuel in the small well
at the bottom of the tank before recording E. Next time would do slightly
differently to account for the dead zone at top of the tank that caught me
out.</DIV>
<DIV>I had a Smiths look alike gauge built but with a modern 5V stepper motor
drive. After numerous hiccups along the way, have now got it working
satisfactorily ... after spending far too much time (and $) on it as well ! Will
verify final accuracy on the road next Spring !</DIV>
<DIV>See a few pix; if anyone wants more details - contact me directly.</DIV>
<DIV>gauges are: original/new sm/aftermarket sm cheepo for testing </DIV>
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<DIV>rg</DIV>
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