Try Detroit Speedworks. Greg the owner is a member of this board (Turbolx) He is very knowlegable and has a nice 1750 Mustang dyno. He is located at 14 mile and Dequindre. His website is
www.detroitspeedworks.com.
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1988 Mustang GT
12.0 @ 122
1992 BadAzz Wrangler
1993 Explorer