Performance Dyno
119 Old Turnpike Rd.
Concord, NH 03301
Contact: Pete Johnson or Eddie
Tel: 603-226-3278
web: www.performance-dyno.com
Martel Racing
232 South Main St.
Manchester, NH 03102
Contact: Sonny Martel
Tel: 603-622-9747
I have never used either, spoken with both, Performance Dyno seemed more user friendly on scheduling. They are a dyno shop. Martel has a dyno, but is basically a street car repair shop first.