Quote:
Originally Posted by RToyo86
I was always curious, any idea how much fuel is in the lines before a different octane makes it into the tank?
I try and let my car get down to around 1/3 or 1/4 tank so I can sufficiently fill it with the most 94 possible. I deal with the same issue at petro with shared tanks using 87-94.
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Enough to cause knock, (when stock, and with my built long block with supercharger).
After driving for a while on a new fill of polluted 94, I see knock, add a few ounces, try again if IAM doesn't move to 1.
Usually the first few ounces of Torco in petrocan 94 does it.(Still available I believe from BRZWORLD).
Don't know about Boostane.
