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I'm trying to find out how accurate my gas gauge is. Using a strip of cardboard as a dipstick, a black marker and a tape measure, I'm comparing how much gas is in the tank to what the gauge says.
The filler neck goes down into the tank about 4", and I'm thinking that may be what GM considered as the tank being full.
If that's the case, so far so good. The gauge is reasonably accurate, and in a hilly area where the longest stretch of straight road is probably less than a football field, I seem to be getting about 16 MPG.
My car's a '76, bone stock L-48 with a new distributor, plugs, wires, etc, a new carb, good tires run at 28 PSI and an automatic trans.
Does all this sound about right?,
If your asking about your MPG...
And you have been recording your City/Highway driving averages for an extended period of time, and they have been consistent then that would be a benchmark you would want to try to maintain.
I don't use this as a benchmark anymore for my 77 but this EPA window sticker label shows averages and combined MPG you may ("could") expect back in the day.
If your asking about your MPG...
And you have been recording your City/Highway driving averages for an extended period of time, and they have been consistent then that would be a benchmark you would want to try to maintain.
I don't use this as a benchmark anymore for my 77 but this EPA window sticker label shows averages and combined MPG you may ("could") expect back in the day.
Actually, I'm hoping to squeeze another 1 or 2 MPG, with some experimenting.
I didn't mention it has 2" dual exhaust, which is supposed to help.
Thanks for the information.
A Full Tank
