ive always used shell V-power in my car from the day i got it. factory recommends prem fuel and the car is tuned to use nothing but 93. i was up in new hampshire and couldnt find a shell so i tried sunoco for the first time. after a few miles the idle was was not nearly as smooth as shell but i didnt really feel much of a power difference but i didnt have my data logger with me to watch timing. it was like that till i put 15gals of V-power in. after a short time the idle felt normal again. the only thing i could think of was summer and winter blend differences but both places still say up to 10% ethanol.
Sunoco vs shell
- Thread starter cowsareholy
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Dyson tells us the new Shell gas is holy water. Let me find that string and I'll post it.....
You can but not needed, i never do...
Triple_Se7en
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Your subpar Sunoco fillup could of been underground tank-related. If that's the case, the same could of occured had the Shell-name been present there.
I seem to be happy with Sunoco or Shell, but my car seems to prefer BP 93.
No problems with Sunoco. Back to back highway travel recently showed a 24mpg average vs. a 22mpg average using BP/Amoco. Same day, same speeds etc. Plus the Sunoco was generally less expensive wherever I went over the same grade BP. Still prefer the V-Power Shell to the BP 93. Might be in my head, but it seems to run a bit smoother with the V.
this was just my experience with one sunoco station one time at one fill up. its the only time i used a different station then the shell down the road from the day i got the car so i dont really know if a different sunoco would give me different results.
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