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Auto Meter fuel guage problem

313 Views 2 Replies 3 Participants Last post by  mt 240-350
I recently got the Autometer guage from motorsport. I filled up my tank and only 9 gallons went in. The fuel guage read full and after driving 100 miles, im reading near empty. I hope my gas milage isnt this bad. Any suggestion on whats going on? How many gallons does a 72 240z hold? ave gas milage? By the way i have a 280zx engine with a 511 cam and su carbs. Thanks
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get a little tank and fill it up with gas and go for a loooooong cruise :)
your sending unit is not calibrated to the gauge
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