Head-to-Head comparison of tunes for stock FL5 cars. Round 2.

Tougefl5

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First I'm hearing this. What's the issue with Costco fuel?
Nothing because it gets delivered from the same refineries as every other gas station in that area. Only difference is the name on the tanker who's under contact with the location 😉
 

phearable

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Nothing because it gets delivered from the same refineries as every other gas station in that area. Only difference is the name on the tanker who's under contact with the location 😉
Not always the case. I’ve seen drastic differences in some regions from customers using Costco fuel.

When I have time I’ll dig up some logs and show you 👍
 


TW00Si

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I think Costco gas is pumped in bulk.
 

Tougefl5

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Not always the case. I’ve seen drastic differences in some regions from customers using Costco fuel.

When I have time I’ll dig up some logs and show you 👍
I'm in the trucking business and know the petroleum industry first hand. If Costco gets a bad batch they are not the only ones because it's coming from the same place.
 

MooMoo

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unless things changed my dad worked in the oil industry for many years and has told me the same, it all comes from the same place
 

phearable

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I'm in the trucking business and know the petroleum industry first hand. If Costco gets a bad batch they are not the only ones because it's coming from the same place.
I would have assumed so until I saw a pattern from several customers using Costco fuel in NY/NJ/CA.

They switched to shell and it was far superior.
 

MooMoo

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could be additives.

also shell probably sells a lot more 93 than costco so could be older gas, really could be a ton of things
 


PointByPatrol

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Nothing because it gets delivered from the same refineries as every other gas station in that area. Only difference is the name on the tanker who's under contact with the location 😉
This doesn't take in to account splash mixing.
 
 







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