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What was the original gasket made from????? I'm guessing cork.
The gasket I pulled off of it was rubber, but it was badly damaged and the holes didn't line up properly with the mounting points.
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Be carful when makeing an changes to instrumwent cluster.
I don't plan on getting into the gauge cluster at all. I don't want to risk any damage.
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The old classic gasket material for gasoline service was of course cork coated with shellac, but ethanol is a solvent for shellac so that's no longer a good choice.
Good to know. I plan to run non-ethanol fuel as I can still get it locally here, but there are the times when it's unavoidable to buy the corn-gas. Especially here in MN where our "all knowing" government is increasing to a 20% minimum state wide.
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Still kinda curious about the Chevy sender because 31 ohm spread sounds low and that sender may not be any good.
I looked it up on the manufacturer's website www.spectrapremium.com and the sending unit is 0-35 ohm according to the spec sheets. I'm not sure if getting 31-32 ohms on my multimeter means that this one is going bad or if it's ok. I'm thinking that I'll stick with this one for now and try the in-line resistor as HH56 has suggested. If it isn't satisfactory with the resistor, then maybe I'll try to graft on the universal sender from JC Whitney.
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If the gauage is reading backwards then what about bending the float ARM in the opposite direction????
To get it to work I'd have to remove the sender and re-mount it upside down. If I go that far, I'll just try the previously mentioned universal sender for the correct Ohm range.
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