The original wing tanks are flat on one end, and shaped to contour to under the curvature of the fuselage on the fuselage end (not flat on both ends). They were 9 gallons. Most caps are marked "9 gallons." If your tanks have been replaced with wing tanks that are flat on both ends, then they will only hold 8 gallons each. Mine are flat on both ends, (fuselage end too), and they will only hold 8 gallons each. My nose tank is 5 gallons, = 21 gallons total.
There are two size fuselage tanks. There is a 5 gallon and a 6 gallon fuselage tank. So, depending on which tanks are installed in your coupe, you could have 21 gallons with a 5 gallon nose tank and two 8 gallon wing tanks, as I do. Or, you could have 22 gallons with a 6 gallon nose tank and two 8 gallon wing tanks. You could have 23 gallons with two 9 gallon wing tanks and a 5 gallon nose tank. You could have 24 gallons with two 9 gallon wing tanks and a 6 gallon nose tank. Most Ercoupers I have talked to believe that they have 24 gallons, I have seen more than one who had 21 gallons thinking that they had 24. Best way to find out, is for your tanks to be empty, fill them from a gas pump with a meter on it to see how much each will hold. Many have argued with me on that because their caps are marked 9 gallons, which was the original cap marking. I have filled my tanks from dry empty to find out the exact capacity. What I am saying is from experience. I discovered the difference in wing tank capacities myself, and you can read in the Ercoupe manuals somewhere that there were two different capacity fuselage tanks (which I measured too by filling mine from empty). Kno befoe yu go ! :-) Best Regards, G. (Skipper) Barfield Ercoupe 99398 Columbus, GA ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free Internet access for a month! Try Juno Web: http://dl.www.juno.com/dynoget/tagj.
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