Disscussion about gas

James Williams

Well-known Member
A good friend of mine uses a F20 on a regular basics,he claims that he uses old gas when ever he can find it,and he claims that his tractors run very well and have even a little more horse power.A nother friend of mine bought a known property and found 4 55 gallion drums of gas that I know is at least 15 years old.I was discing my garden and I used some,around 2 tanks and my TO 30 fergerson ran perfect.What is your opinion

jimmy
 
If it still smells like good fresh gasoline it will most likely be ok. Can't imagine how it could though after all that time. In about 1963 I overhauled a 300. Customer drove it home, gassed it up and put it on an auger. Within a hour or so it quit running. He thought the engine had seized. What happened was all the valves were stuck. The intake manifold looked like some one had put roofing tar in side and the valves were the same. Had to tear it down and clean everything up. He had just purchased some bargain basement gasoline and it stunk to high heaven. Mind you, this was back when we supposedly had good gasoline. Any time the high ends of the gasoline are allowed to evaporate you end up with varnish. Is todays gasoline any worse, I honestly don't know. I have seen so much rotten gasoline years ago and that was when everybody was running gasoline engines on a regular basis, not just puttering around and leaving a tank of gas in the tractor for a whole year.
 
My tractors run perfect on brand new 87 octane gasoline right from the pump at the station down the road.

The reality is these tractors are not fussy about fuel. If it goes "bang" when the spark plug lights off, the tractor will run and run pretty well.

Remember they were designed from the get-go to run on the gasoline, kerosene, and "distillate," with some tractors requiring no modifications at all to run on any of the three.
 

I blended some old, slightly stale smelling gasoline with fresh, new gasoline and poured it into my H. The tractor did run okay, but not good, and I ended up rebuilding the carburetor shortly thereafter. I learned my lesson, and I'll never do that again. Stale gasoline is good for killing grass and weeds in a fence row, and that is ALL it is good for.
 
It is quite possible that running on old gasoline can develop a bit more HP. As the lighter ends of the fuel evaporate you will be left with a fuel that has more BTUs per gallon.
 
our old 1-ton with a 350 motor suddenly knocked off,it would spin over like it had jumped time,pull the timing cover chain was loose, it had metal gears they were ok, replaced the chain finally got it started and it run rough and had no power, the whole time I hadn't give any thought about the old gas smell finally a light came on, put 10 gallons of fresh gas in it,it slowly begin to run smooth hasn't give anymore trouble,that old gas was sticking the valves,later seen another vehicle that had a valve rocker clicking and was skipping on that cylinder same problem someone put old gas in it,fresh gas cleared it up to
 
I have had old gas build up a varnish on the valves so much they stick open.
Marvel Mystery Oil mixed in gas helps avoid
the sticking .
 
(quoted from post at 11:07:56 09/25/14) And what about gasoline additives

Gasoline additives are very good for putting money in the pockets of retailers and manufacturers, and do basically nothing for your engine. The best thing to do with those additives is to leave them on the shelf at the store.
 
I got an F-20 and have been known to burn old gas in it. Not as a preferance, but as a means of useing up the old gas. My experience- I do not notice a rise in horse power. It is harder to get running, and does not run as good untill it is warmed up. Once warmed up, can't tell any difference. It has a thermosiffen system, atleast mine does (no water pump). The very late model F-20s might of had a water pump, but not sure on that. I'm thinking the 38 and 9's. These thermosiffen tractors I believe run a little warmer which aids in the ability to burn lower quality fuel. As for it being better, I am not a believer. I am a believer in cool night air (with more humidity) giving you a slight power boost. My 2 cents.
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top