So I have a Stage-1 tune (91 - California) and I'm a bit of cheapo so I buy my gas at Arco. I just noticed that they are not Top-Tier (but are basically BP which is). Anyone think this is a bad idea? I've not noticed any issues but I guess engine life is at the back of my mind
I'm in Cali and use Chevron only in my ST, Arco sucks and charges you for using a CC at the pump! Plus how much are you saving, .75 cents maybe?? Use the good stuff, your car will be happier!
Yep I'm switching to 76 and monitoring the Octane settings on the AP to see if it retards timing
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