Vintage Pontiac Dyno Tuning Photo

Vintage Pontiac Dyno Tuning

Dyno Tuning Basics - Jets, Timing, Camera, Action

While slowly accelerating through the gears, Keith noted that, even at light throttle, the Tempest was still in excess of 11.5:1 air/fuel ratio, so it was time to work on the primary side of the carb. After quickly removing the front bowl, the No. 79 jets were replaced by No. 76s. On the following pulls, the horsepower increased marginally but the torque started to increase substantially. As fuel was pulled out of the primary circuits, the car was crisper going through the gears.The results were 376.9 hp and 439.3 lb-ft of torque; a gain of 1.7 hp and 8.6 lb-ft of torque. View Related Article

Pontiac Solstice Research

Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Pontiac Solstice. The L4 standard engine in the Solstice gives you 173 horsepower with an estimated 22 mpg. It has a comparable trade in value which should come in handy when you go to shop for your next car. The Pontiac Torrent and the Pontiac G6 are other vehicles that might interest you.