There's a guy on the Fun Ford boards that does a lot of Cleveland stuff. As a matter of fact he's got a 351C for sale right now. His name is SD Wheeler out of Houston TX. You could probably email him for some info. Just jump over to the Fun Ford site and look for any of his posts (try the Racer's Clubhouse) and click on the little envelope at the top of his post. That'll give you his email.
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Jeff Chambers
Trophy Stock #3
11.97 Seconds / 114.5 MPH
Chambers Racing Team