Gas ???

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Gas ???
tattedfordguy avatar
tattedfordguy
+1y
What is the difference in gas from lets say shell to chevron, Why is one almost 20 cents cheaper? Do i have to run high octane in my 2002 f150 with a 5.4 in it? Gas is so expensive in cali these days...
dragontoy22r avatar
dragontoy22r
+1y
Each company uses additives that make their fuel different from the others. Chevron and Shell merged, so don't worry about which to use...it's the same stuff. You can go onto Shell's website and read about the additives they use to prevent sludge buildup on your valves, keep water out of the fuel, etc. I would recommend using one tank of Supreme 93. If your truck knocks, pings or shudders when you drive, then it's too much and just stick with Plus.
TwistedPhil avatar
TwistedPhil
+1y
The actual raw fuel comes from the same pipelines- I saw this on Modern Marvels on TLC or Discovery (addicting!).
The tankers pump fuel into one end of the pipeline, and their trucks are allowed to pull the same amount out of the other end, but it's not necessarily the same company's product they're pulling out!
However, each company has their own additives that they put in after the fact- Techron, etc., that makes it "their" blend.
So in most ways all gas is the same, but there are a few differences- probably not enough to make a .20 difference, though!

As for running high-test in your stock Triton, there's no point unless you have a problem with detonation using 87 octane. If you're not experiencing a loss of performance (the ECU pulling timing to reduce knock) with lower grade gas, then there's no benefit to paying for 89 or 91.

Hope that helps!

-Phil at FBI