Steve - the repro AD gauges may be a problem, I don't know, but the sending units are as good as original, and as crudely accurate as any - all you normally have to do to get a full sweep [what most complain about] is bend the float arm - and you'll have to fiddle with that anyway as all the aftermarket gauges use "universal" senders that have to be adjusted to the tank you have
"accuracy" is a matter of running the tank dry watching the mileage to see what it reads as you go along, you will never get any gauge that tells you much more than F, 1/2, E, you just need to figure out where E is .... and you'll have a hard time figuring that out with the gauge behind the seat!!
and the SW gauge is electric, the same as the original, not "electronic", which implies some superior circuitry it doesn't posses, it's just an ohmeter that responds to the variable resistance of the sender, same as the original, with a different resistance - original is 30 ohms, aftermarkets use 90 ohms [as modern GM] or 240 for some
Bill
