saneryin Posted October 12, 2011 Report Share Posted October 12, 2011 I have a 20-Liter of 1:40 mixed outboard gas in a gas tank. never have chance to used it. It was freshly filled on July 15. can I used it for me car? if so, - does the outboard engine oil that mixed in will affect my car? - is the gas already too old for me car even there is no mixed engine oil? - what if I add 5L to my car each time. and used them out in 4 weeks? any suggestion? thanks. Link to comment Share on other sites More sharing options...
NAW Posted October 12, 2011 Report Share Posted October 12, 2011 I've done it once or twice in the past.. Didn't mess up my car. Probly not the best thing to do though.. I've also done the same thing with my lawn mower, when I ran out of gas cuting grass. It also ran fine with an oil mixture. I'm not a mechanic, but I'm sure a few people here will give an exact answer. Link to comment Share on other sites More sharing options...
spinnerbaitking Posted October 12, 2011 Report Share Posted October 12, 2011 I've done it quite often, dump it in & fill it up, it's not 40:1 any more, had no problems that I know of yet SBK Link to comment Share on other sites More sharing options...
tb4me Posted October 12, 2011 Report Share Posted October 12, 2011 with the price of gas i would do the same thing..It would be useless in an outboard by next spring anyway..Add it to your tank and fill it up. Link to comment Share on other sites More sharing options...
skinny Posted October 12, 2011 Report Share Posted October 12, 2011 it shouldn't hurt anything do not do it if your soon going for etest only because it is oil in the fuel it could mess up the readings I do it all the time Link to comment Share on other sites More sharing options...
scugpg Posted October 12, 2011 Report Share Posted October 12, 2011 Wouldn't it coat o2 sensors etc? I'd be more inclined to use in weed whacker etc instead of my car with all the sensors etc. Link to comment Share on other sites More sharing options...
danbouck Posted October 12, 2011 Report Share Posted October 12, 2011 I did it once in my 81 chev pickup but didn't realize it until i started it. The neighbors were not happy lol Link to comment Share on other sites More sharing options...
otter649 Posted October 12, 2011 Report Share Posted October 12, 2011 with the price of gas i would do the same thing..It would be useless in an outboard by next spring anyway..Add it to your tank and fill it up. Any left over gas for my outboard (Merc 8) that carries over to the spring - I put a gas stablizer in the tank for the winter with no problems starting up the motor in the spring...... Link to comment Share on other sites More sharing options...
bigbuck Posted October 12, 2011 Report Share Posted October 12, 2011 Drop some Stabil in it and it'll be fine for next year. If you want to use it, 5L at a time in the car will be fine, the oil would become so diluted it won't harm a thing. Link to comment Share on other sites More sharing options...
Rizzo Posted October 13, 2011 Report Share Posted October 13, 2011 wow I never would have considered doing such a thing. The leftover mixed fuel I have from the summer is being used to start bonfires in the back yard! Maybe I should toss a few litres in the truck...although that would make my next fire less spectacular Link to comment Share on other sites More sharing options...
limeyangler Posted October 13, 2011 Report Share Posted October 13, 2011 Leftover outboard gas...how the hell did you manage that!!??? :dunno: Link to comment Share on other sites More sharing options...
tb4me Posted October 13, 2011 Report Share Posted October 13, 2011 Leftover outboard gas...how the hell did you manage that!!??? :dunno: Ha ha awesome Limey...I was thinking the same thing Link to comment Share on other sites More sharing options...
BITEME Posted October 13, 2011 Report Share Posted October 13, 2011 Am I missing something here because if I have that much left I just leave it in the tank and run it next year never had any problems weed wackers lawn mowers or boats even dirt bikes not even a chug jm2cw Peter Link to comment Share on other sites More sharing options...
Billy Bob Posted October 13, 2011 Report Share Posted October 13, 2011 Your options are: 1) add some fuel stabilizer like Sta-Bil and use in outboard next spring 2) add it to the truck/car/suv tank and be done with it 3) Have Billy Bob over for a nice dinner and I will take care of your excessive fuel problems at no charge..... note: #3 is the safest option going.... Link to comment Share on other sites More sharing options...
chuckymcd Posted October 13, 2011 Report Share Posted October 13, 2011 I would not do it, cars are ment to be run on straight gas not a mixture, I would not take the chance but thats just me Link to comment Share on other sites More sharing options...
wallyboss Posted October 13, 2011 Report Share Posted October 13, 2011 Marine Stabil and use it next year. Link to comment Share on other sites More sharing options...
cuzza Posted October 13, 2011 Report Share Posted October 13, 2011 Another vote for Stabil here - I know it's not much oil but I doubt it'll do your catalytic converter any good and they're expensive if you do manage to poison it. Link to comment Share on other sites More sharing options...
Old Man Posted October 13, 2011 Report Share Posted October 13, 2011 (edited) Bad for your converter and O2 sensors, don't do it. Replacement of these cost way more than saving 20 litres of gas. Dump some Marine grade Stabil in the tank and use it next year. Edited October 13, 2011 by Old Man Link to comment Share on other sites More sharing options...
Fisherman Posted October 13, 2011 Report Share Posted October 13, 2011 Put stabilizer in gas from July, it's already past its prime. Link to comment Share on other sites More sharing options...
saneryin Posted October 13, 2011 Author Report Share Posted October 13, 2011 Thank you for all replies. Maybe I should call Billy Bob LOL. He is a nice guy, had given me good suggestion before. I will try to use it...I already have 2 bottle (10L/each) gas at the yard... not sure about the stabilize...because my engine is poor though. so...before solid lake surface, what we can fish now is perch? I have read a lot post here. Put stabilizer in gas from July, it's already past its prime. Link to comment Share on other sites More sharing options...
cuzza Posted October 13, 2011 Report Share Posted October 13, 2011 I will try to use it... Your call - a catalytic converter is $200 and O2 sensors are $50 each as a minimum plus fitting which is a lot more than a bottle of Stabil! Link to comment Share on other sites More sharing options...
fishermccann Posted October 13, 2011 Report Share Posted October 13, 2011 I use gas from the last year all the time with no problems in my boats, without any stabiliser. The motors run fine with no missing, but then I am a regular user of Seafoam! Link to comment Share on other sites More sharing options...
Fishnwire Posted October 14, 2011 Report Share Posted October 14, 2011 Assuming your vehicle's tank is 60 litres and you put the unused gas in the next time you fill up...your looking at a 120:1 ratio of gas to oil. Unless you drive an Indy car or similarly high-tuned machine, that small amount of oil one time will make no difference short or long term. I'm not a professional but I've spoken on this very subject with several people who are. "It won't hurt nothin'" is what I've been told. Link to comment Share on other sites More sharing options...
Tybo Posted October 14, 2011 Report Share Posted October 14, 2011 We where talking about this at work. We figured the tcw3 is so low ashe now that it will not do any harm. Link to comment Share on other sites More sharing options...
GYPSY400 Posted October 15, 2011 Report Share Posted October 15, 2011 I do it all the time.. My truck, quad, lawnmower etc have all seen mixed gas and honestly I can't tell the difference performance wise. Link to comment Share on other sites More sharing options...
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