'the fuel and ignition tables have been modified by yours truly'
right, so its a you problem not a car problem or a fuel problem, fix your timing.
that answers my previous comment.
If I use 93 octane and upper cylinder lubricant I can modify the ignition and fuel tables to squeeze more midrange from the engine. That's where its lacking the most, I don't need to fix anything, I have less knock count that the stock ECU. I'm running 12.6:1 compression ratio and stock is 10.7:1 I'm nearly up 2 points of CR, I have to tweak things to keep the engine from blowing up.
I'm using a 108mm crank and custom rods with stock pistons, because these are the only ones I trust on the FRM cylinder walls.
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