I'm on my second year with a junkyard motor and have another sitting in the garage just in case. We're competitive too so I personally see no need to spend the big bucks right now. I did nothing to prep the short block. Like you said there's really nothing you can do without tearing it all the way down. Put the "good" motor in and go have fun.

Chris

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Chris Ludwig
08 ITS RX7 CenDiv