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Fuel ConsumptionTank size

D

D. Gavin

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" Hi,
I have to replace the c


" Hi,
I have to replace the corroded aluminum gas tank in my 73 22ft SeaRay 220cc (302 V8 & 2BBL carb). The original tank (belly style) is 70 gallons. Could I get by with a smaller size tank? I've never run the boat and so have no clue as to fuel consumtion, but plan to use it for mostly near shore to 10 miles out. I'm thinking maybe a smaller plastic tank of 40 to 50 gallons, but don't want to severly limit range. Help Please! Oh, a fresh engine is being installed with a closed cooling system to get a stable operating temp. "
 
"A 302 in that size boat shoul

"A 302 in that size boat should burn around 7-9 GPH at cruise, 3-4 GPH for off-plane trolling. Do the math and you get nearly 8 hours duration for 70 gallons, or figure about 6 hours with reserve for cruise planning.

"
 
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