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I've tried everything and nothing seems to work for me.

Here's my error:

Well I made a load of changes. Now just have to monitor it and see where things are. I didn't change the timing table but I'm thinking about doing that next to see what's possible.

I'm starting to work on tuning my 8.1 Liter on my Avalanche now. May take a while to figure things out. Not many doing it.