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Car Forum / Driving, Maintenance, Tuning / General Car Topics / January 2005Only Fill Gas Tank Halfway?
A Saab dealership told my Mom who fills up her tank about once every two months to only fill the tank halfway so that the gas doesn't get old. Will gas really deteriorate over a two month period? I would think that if you only fill tank halfway, then there in more chance for water vapor to condense resulting in a fuel line freeze. Dan >A Saab dealership told my Mom who fills up her tank about once every two >months to only fill the tank halfway so that the gas doesn't get old. Will [quoted text clipped - 3 lines] > > Dan German cars are of poor engine build and they have a tendency to fail at any moment so they cannot have fuel that has been sitting in the tank too long or else one misfire and you lose a rod. You Sir: Are an idiot! Refinish King > >A Saab dealership told my Mom who fills up her tank about once every two > >months to only fill the tank halfway so that the gas doesn't get old. Will [quoted text clipped - 7 lines] > moment so they cannot have fuel that has been sitting in the tank too long > or else one misfire and you lose a rod. >>A Saab dealership told my Mom who fills up her tank about once every two >>months to only fill the tank halfway so that the gas doesn't get old. Will [quoted text clipped - 7 lines] >moment so they cannot have fuel that has been sitting in the tank too long >or else one misfire and you lose a rod. Ummmm... Correct me if I'm wrong, but.... Aren't SAABs of Swedish manufacture? Raymond Sirois SysOp: The Lost Chord BBS 607-733-5745 telnet://thelostchord.dns2go.com:6000 >>A Saab dealership told my Mom who fills up her tank about once every two >>months to only fill the tank halfway so that the gas doesn't get old. Will [quoted text clipped - 7 lines] >moment so they cannot have fuel that has been sitting in the tank too long >or else one misfire and you lose a rod. Dan disregard this foolish statement about German cars, this guy does not know the first thing about highly engineered German vehicles of todays standards. Tell your mom to go ahead and fill up the tank to the full mark but if it is only driven a small amount I would recommend adding a little fuel stabilizer. This will keep the fuel in usable condition for up to 12 months and also will absorb any moisture in the tank due to condensation. Danno I have a half dozen old cars in my garage, in the NE part of the US. From 1941 up to 1983, with 90K to 300K on the clocks. I have never used a fuel stabilizer and my cars start every time. Any old car collector will tell you, the key to maintaining an old car is to run it and not let it sit. I run each one at least once a month for at least twenty miles and refill the tank when it get down 3/4 full. mike hunt > Dan disregard this foolish statement about German cars, this guy does > not know the first thing about highly engineered German vehicles of [quoted text clipped - 5 lines] > > Danno I agree the proper thing is to run the vehicle but obviously you did not read his question\comments on his mechanic stating to only fill tank 1\2 full because she would only drive it once every two months. If she is not willing to drive it more often then the only easy\cheap solution is fuel stabilizer. >I have a half dozen old cars in my garage, in the NE part of the >US. From 1941 up to 1983, with 90K to 300K on the clocks. I have [quoted text clipped - 16 lines] >> >> Danno Not so. The process that occurs in gasoline, that stabilizer are intended to prevent, only occur in small volumes of gasoline in relatively short period of time. Like the few gallons in the small gas tanks or carburetor bowls. That is why lawn mower and motorcycle manufactures trouble shooting guides suggest one drain some fuel before trying to start them in summer. For the process to take place in a large volume tank like in an automobile would take a longer time, much longer than just two months. A half tank, vis a v a full tank, would actually become problematic sooner and develop more condensation mike hunt > I agree the proper thing is to run the vehicle but obviously you did > not read his question\comments on his mechanic stating to only fill [quoted text clipped - 22 lines] > >> > >> Danno >Not so. The process that occurs in gasoline, that stabilizer are >intended to prevent, only occur in small volumes of gasoline in [quoted text clipped - 4 lines] >to take place in a large volume tank like in an automobile would >take a longer time, much longer than just two months. The same process will happen regardless of the amount of fuel, it will just be more fuel that goes bad. A half >tank, vis a v a full tank, would actually become problematic >sooner and develop more condensation I agree the half tank would develop more condensation and thus she should keep the tank full. >mike hunt > [quoted text clipped - 24 lines] >> >> >> >> Danno Well you are certainly entitled to your own opinion, but old car collectors know that is not the case. mike hunt > >Not so. The process that occurs in gasoline, that stabilizer are > >intended to prevent, only occur in small volumes of gasoline in [quoted text clipped - 43 lines] > >> >> > >> >> Danno |
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