Adding Diesel to Gas Helps Fight Rust

SHELL and BP are top tier fuels accrording to GM. Supposedly, ALL fuel is the same when it leaves the refinery and the distributors (Shell, BP, Chevron, etc) additive package is added at the tank farm before the tanker truck delivers it to the gas station. There is a thing called "Ball Gas" that no brand gas stations sell. Ball gas is the fuel that is in the gas pipes that crisscross the counrty that deliver fuel to tank farms, when differant grades of fuel are sent, a ball is placed in the pipe to seperate them, the bal gass is the mixture of the 2.

John G
 
We do not have Shell here in NY. My trucks have a tendency toward carbon in the throttle body which causes a slight hesitation. What I've found is that rather than clean it I now just wait till we get to Florida in the winter and within 2 or 3 tanks of Shell the carbon ring is gone.
 
When I hauled fuel I remember six different flavor trucks lined up at the rack to fill.BP,Mobil,Shell,all loaded out of the same pipe.I worked for a guy that was a sub for a petro hauler.I would go to the tank farm,load up,and drop the loaded trailer at the haulers yard.His drivers would get under it and deliver it to the stations.Until the driver got his paperwork he would not know what brand station he was delivering to.
 
Brianfrench65 said:
I always add about 4 ounces of Marvel Mystery oil to a fill up. I learned that back in the 70's, and I have been doing that since, but only to older, non emission controlled and only to the seldom used antiques.
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I recently used this in my gas and not just in my oil and was surprised at the difference. It was an old 78 Ford pickup with a little lifter noise. It started running perfectly. I have tried Sea Foam and it did help, but Marvel Mystery oil might help the rust problem in the tank and sure won't hurt the engine.
 
The problem with adding Diesel is it lowers the Octane rating . With the quality of gas we get now that might not be a great thing. Even though the worst gas today is probably better than the best octane rating in the day adding diesel does increase the chance of reaching the ping range particulary if we have raised the compresion with an aftermarket head as many have done -Karl
 
Marshall57 said:
They are adding Ethanol to raise the octane level and removing it will lower it quite a bit, what will happen is only a guess on my part but it would be interesting to see how a old car would act while burning this stuff.
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I suspect most Model A's would run fine on 100% unleaded gasoline.. I think there are few threads here where folks buy it and have not had issues.
 
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