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05-09-2010, 07:58 PM #1
Should I purposely run out of gas to determine the real bottom of the tank?
I have a plan. My gas gauge is so erratic I have the idea to run it all the way down to figure out when the gauge is really showing empty. I have a carburetor so I figure it's not going to cause harm if I run out of gas as opposed to fuel injected. Right? I have a 1 gallon can of gas with me to refuel and make it back the couple of miles to the gas station. So basic question is, is there any harm in running out of gas AND is there any difficulty starting after running out?
Thanks!
P.S. Got to watch the Blue Angels from my boat this afternoon. They were in town and it was awesome.2001 Moomba Outback, Indmar Assault 325 + 4BBL Holley
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05-09-2010, 08:41 PM #2
Just keep in mind my Outback LS gets less than 3 miles per gallon.
jy
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05-09-2010, 08:51 PM #3
Funny that this was posted today. I was on the water today and with conditions very overcast and gloomy, hardly any boats were out. My friend riding with me sees a boat and a guy waving. Seeing that no other boats were in the area and the area being kinda remote for today I pulled up. The guy had his family out on their new Stingray boat just bought yesterday and he "thinks" they ran out of gas. I asked him what the fuel gauge says, he say "empty" and "the boat just died on us". Being 4-5 miles from the ramp I towed the boat a few hundred yards to a sandbar. We beach his boat and I tell him to get in mine and took him to his truck and he went and got a 2.5 gallon can at the near by bait shop. I took him back and he gave me $20 for the trouble. Needless to say, he found the very bottom of his tank.
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05-09-2010, 11:05 PM #4
The eratic nature of the gas gauge is a function of the movement of the gas in th tank (IMHO). This means that once there is no fuel in the tank the gauge will stop being eratic - and probably read empty. All your experiment will do is allow you to know how much gas you can put in an empty tank, which should be in the manual anyhow.
I will bet that your gauge will read empty long before you actually run out of gas.If you believe something to be true, it will be - in it's consequences.
2009 MasterCraft ProStar 197 - DD - 5.7L - 325HP - Zero Off
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05-09-2010, 11:35 PM #5
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05-09-2010, 11:46 PM #6
My gauge starts to read empty with about 10 to 13 gallons in it, i think SC put a fear factor so no one is stranded.
https://forum.moomba.com/showthread....ighlight=emptyA Day at the Lake...Priceless
A Day in Powder...Endless
Joe V
2012 Möbius XLV~ Loaded & Exiled
2007 Outback V ~ sold
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05-10-2010, 12:19 AM #7
ran out of gas once on my 99 DD.......it was a pita to get started. lucky i was only 400 yds from my place so we paddled to the nearest dock and i walked to my place to get some gas. Still had to get it back to the boat. finally poured a wee bit right down the carb to get it to fire up. We were having way too much fun and i never noticed i was out of gas and my emergency 2 gal container was old gas. even though it was an outback it was a b#^$^h to paddle, so I can't even imagine a bigger boat. lucky we only had to paddle about a 150 ft. I'm always watching the gauge now. oh my new gauge now starts a 100% and reads off in %, one point at a time. I guess they are making them more sensitive now
09 21v LAUNCH
99 Outback LS. Sold
run your engine after you change your oil
68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
Doug
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05-10-2010, 01:55 AM #8
I agre with others. The guage will show empty long before it is empty so you have to guess on fuel remaining. You'll learn how to guessimate over time but I usually don't start the day with less than a 1/4 tank.
1998 Mobius
310 HP PCM
SOLD
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05-10-2010, 06:10 AM #9
I play it safe and fill up prior to every outing. nothing worse than ruining everyone's day running out of gas.
best part is it gives those that may just jump on the boat and not pay the opportunity to see how much it really costs to play. I usually meet at an albertsons parking lot at the base of the hill to the lake. meet at the pumps and load up there. kind of a mind trick to get them to remember to pay for fuel, and if they didn't bring beer/food, hey, it's right there and the last stop'06 Supra Launch 20SSV-gone but never forgotten
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05-10-2010, 08:33 AM #10