I'd be interested in peoples info too.

I use Wayne Snyder (Able Machine) in Wyoming Michigan (near Grand Rapids).
He has a machine shop there and is reasonable. He seems to know his stuff, and prices were decent last time (a few years ago). I've never dynoed and am not qualified to comment on how competetitive his motors are, but I've had pretty good luck. I used to autocross with him, and he has (had?) a killer spitfire with a highly modified 3SGE.
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In trying to track down who had worked on my Prizm 4age it also lead to Wayne at able machin. However Wayne is not there any more and the company name is now C-Tech Performance. I just spoke with his brother Arnie and he seems to be a decent guy who knows his stuff. I may be taking mine there at the end of the season.
Cheers SteveP