I have some old gas probably 3 years old in a above ground elevated storage tank. The tank probably has 50 gallons in it is it safe to use? Should I add something to it or blend it with 50-50 new and old gas. Or is there a additive that a person could put in it?

 

Very good question.

 

I've burnt older gas than that, but that's in a carb'd vehicle. It wouldn't be a bad idea to dilute 50/50 or lower, and run it through a sediment and water filter, because there's probably condensation in there by now.

 

I've ran gas like that before. Like was said, I'd run it 50/50 with fresh gas until it's all gone.

 

Drain out any water at the bottom and it should be fine to mix. If it had ethanol in it, the water and ethanol should come off the bottom together, leaving the gasoline on top. There are additives to preserve gas, but they have to be added first, not now.

Jim

 

The gas in my bronco was about 4 years old, still ran on it. The more gas, the longer it takes to go bad so 50 gal should be ok, but like said change the filter on the tank and run it 50 50.