Dyno Runs Leave a Comment / By gearhead / September 27, 2025 Dyno Runs/Tad Collins 1969 Firebird dyno pull at 5800rpm done at Motor City Steel. Tad Collins 1969 Firebird dyno pull at 5800rpm done at Motor City Steel. Jason Howell’s 2014 GMC truck doing a dyno pull at Motor City Steel. »