[Dwight Southerland]

California versions were rated at 140, rest of the US rated at 150. Functionally for stock eliminator they are the same since all the major blueprint specs are the same and the Technical Bulletins bear this out. The difference was in the tuning via ignition, primarily governed by the introduction of the Lean Burn system that was introduced that year. Of course, CA had stricter emissions standards which translated into a less efficient engine package and thus the lower hp.