Vacuum Advance Quadrajet Photo

Vacuum Advance Quadrajet

Advancing Opportunity - Effects of Vacuum Advance on Pontiac Engines

Other than the camshaft, the only non-original component on our '72 Trans Am is this rare '71 455 H.O. Quadrajet. For increased airflow, these unique units lack the traditional booster rings found in other Q-jets. Like many carburetors of this era, its idle circuit was already lean to combat emissions, but once we added a slightly larger camshaft, the mixture screws had little effect. So it was sent to Q-jet guru Cliff Ruggles for recalibration. 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 trade in value of $15,948.00 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.