Using old gas

ward cleaver

ward cleaver

Petty Officer 2nd Class
Joined
Dec 15, 2007
Messages
174
I have about 7 gallons of gas that is about 9 months old now. I would like to find a way to get rid of it. I read somewhere that if I filter it with a paper coffee filter it would not harm either an outboard or my lawn mower. But I would need to mix it about 50/50 with fresh gas. Any thoughts on this?
 
M

mla2ofus

Chief Petty Officer
Joined
Dec 30, 2008
Messages
571
Re: Using old gas

I think it's a god idea to filter it in case of water. To use it up, I'd dump it in a vehicle tank needing 14 gal or more so you get the 50/50 mix.
Mike
 
pecheux

pecheux

Lieutenant Junior Grade
Joined
Jun 9, 2006
Messages
1,200
Re: Using old gas

I winterize my OB's gas tank with Stabil over the winter months, then in the spring dump the old gazoline in my (or wife's) vehicule when thank is close to empty and fill up with high test petrol. Then start with a fresh mix for the OB's. Been doing this forever without any problem.
 
ward cleaver

ward cleaver

Petty Officer 2nd Class
Joined
Dec 15, 2007
Messages
174
Re: Using old gas

I don't remember if I used Stabil in this gas or not which is why I syphoned it out of my RV. Now I'm just trying to find a good use for it. My cars have fuel injection so I dont want to put it in them. That leaves the lawn mower and the OBs.
 
H

Home Cookin'

Fleet Admiral
Joined
May 26, 2009
Messages
9,715
Re: Using old gas

pour some into a clear glass container and let it settle; is it shows a brown layer at the bottom it's called phase seperation and you don't want to use it anywhere. I wouldn't risk my OB. For me, it would take a long time to use 7 gallons in the lawn mower. I'd put it a few gallons at a time in the car. I doubt a paper filter will do much. Add some stabil now and keep it out of the sun.
 
swick

swick

Petty Officer 1st Class
Joined
Aug 15, 2009
Messages
282
Re: Using old gas

Dump a bottle of Sea Foam in it and let it sey in for a day or so. It helps remove the moisture from the fuel.
 
4JawChuck

4JawChuck

Chief Petty Officer
Joined
Aug 7, 2009
Messages
504
Re: Using old gas

I have used this product in an industrial setting and does what it claims, it restores the volatility of the fuel to post processing condition. Your amount of fuel is pretty small to make it a viable alternative but this stuff works.

http://www.priproducts.com/consumer_products.cfm

For your amount I would mix it 50/50 with fresh fuel and use it in the lawnmower.
 
dingbat

dingbat

Supreme Mariner
Joined
Nov 20, 2001
Messages
15,484
Re: Using old gas

Home Cookin' said:
pour some into a clear glass container and let it settle; is it shows a brown layer at the bottom it's called phase seperation and you don't want to use it anywhere. I wouldn't risk my OB. For me, it would take a long time to use 7 gallons in the lawn mower. I'd put it a few gallons at a time in the car. I doubt a paper filter will do much. Add some stabil now and keep it out of the sun.
Click to expand...


Phase seperation is not brown, that's crude and varnish from your tank. :D:D
 
ward cleaver

ward cleaver

Petty Officer 2nd Class
Joined
Dec 15, 2007
Messages
174
Re: Using old gas

Dingbat - Actually varnish is what I am really trying to avoid. Do you mean solid varnish that has settled to the bottom of the tank or varnish that is stuck to the inside of the tank or possibly varnish that is held in suspension in the gas? Is there any way to get the varnish out of the gas?
 
LORDY611

LORDY611

Petty Officer 2nd Class
Joined
Jan 17, 2006
Messages
189
Re: Using old gas

4JawChuck said:
I have used this product in an industrial setting and does what it claims, it restores the volatility of the fuel to post processing condition. Your amount of fuel is pretty small to make it a viable alternative but this stuff works.

http://www.priproducts.com/consumer_products.cfm

For your amount I would mix it 50/50 with fresh fuel and use it in the lawnmower.
Click to expand...
Ditto. PRI-G promotes itself as being able to help restore stale gas. I use it all the time in everything with a sparkplug. Aids keeping the gas from oxidizing (turning to varnish and gum) and in so doing increases gas mileage by needing less fuel to go the same distance because the gas isnt turning to carbon biproducts. Look it up online: PIR-G. More money than sta-bil but a serious fuel additive.
 
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