So Rich, are we having fun yet? Please stay out of the P.E. without a wideband. As far as your timing goes, I am not nuts over tuning large areas in a general way. But since that is all the ability that you have, my suggestion is to add no more than 2 degrees at a time, logging for knock. You will have to use the seat of the pants method to find out how much feels right to you. Go ahead and turn your tq management all the way up. Your cat over temp, well I would guess to turn that all the way up. Seems like that would be same as me turning it off. Since you don't have a wideband, keep checking those plugs. You are starting to approach the danger areas of tuning.
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