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View Full Version : 4 month old gas---any good?


Ronny Jetmore
05-10-2003, 03:49 PM
is four month old gas bad even if it smells ok. i have a bunch of it and don't want to waste it. thanks. by the way, my engine is an old 115 crossflow.
Gerben
05-10-2003, 05:23 PM
I'd say it's ok for the lawn-mower or old truck.

Wouldn't risk it in your outboard.

Gerben
us1
05-10-2003, 05:52 PM
Thats what I do with it, or may be the chain saw.
Forkin' Crazy
05-10-2003, 08:48 PM
Originally posted by us1
Thats what I do with it, or may be the chain saw.

Dump it in the truck. us1, I have nothing but Stihl saws and brush trimmers. I like my saws much better than that. Stihl is the ****!

Better to be safe than sorry, especially if it is a 80 or earlier engine with high ring pistons and tighter heads.:)
WATERWINGS
05-11-2003, 01:25 AM
How about if you top it off with fresh gas and new oil?:confused:
Raceman
05-11-2003, 09:18 AM
I've never thought 3 or 4 mos. was too old. An oil co. engineer told me several years ago that gas is losing integrity at 6 mos and even with aftermarket stabilizer he didn't like it past 12, but if 4 mos is dangerous, I'm in trouble with both the cars and boats.
sosmerc
05-11-2003, 09:44 AM
I encourage my customers to use fuel stabilizer year round for the vary reason that our gas quality may not be what it used to be. If they are un-sure about how old their gas is I always put fresh gas on top of it, but I sample their fuel first because if there are any telltale signs of water or alcohol accumulation it gets dumped for sure. I also encourage my oil injected customers to put between 1/2-1 ounce of oil in their gas just for a little safety cushion. My guess is most don't remember to do it...but at least it WILL be there on their first trip after leaving my shop.:D
Scream And Fly
05-11-2003, 10:18 AM
Okay, John, I thought you had to use AV-GAS in that chainsaw of yours!
sosmerc
05-11-2003, 10:25 AM
Boy, the tree huggers are gunno love that one!!
Looks to me like it needs a bigger gas tank!:D
Forkin' Crazy
05-11-2003, 11:45 AM
I have a friend that has a couple of old cars lying around that need to be driven (like you, Norris ;) ). He usually runs the lower grade of race gas in them. It has never gone bad on him. He also puts it in his moped and 4 wheeler. :)