Makin' Hot-Rodding Honest by Jeff Hartman
It wasn't long ago that dynamometer use was the sole preserve of car manufacturers and big-time speed shops. As a result, engine tuning was largely a black art. Mark Dobeck's Dynojet changed all that.
Magneti Marelli - Solving the ECU problem
When tuning a DP product on Harley Davidsons, you may come across mechanical and/or sensor issues that have preceded the installation of our product. This can confuse the tuning procedures. If DP base settings seem way off you may want to have your mechanic look into the known Harley issue with the Magneti Marelli ECU.