Rich of Peak (ROP) vs Lean of Peak (LOP)/Engine operation

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Also, the guy from TCM who talked to us at Nashville said that if you are running LOP, you actually get less HP. He had a graph on it. He also said because of the runners for the intake, it was difficult to get even air flow to each cylinder. He said the IO-550 has a much better intake manifold, and is therefore more suited for LOP operations.

Oh, and yes, the warranty is void. Important stuff to folks who have recently installed ReMan engines.