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1950 Pontiac Silver Streak -Oregon Showroom
1950 Pontiac Silver Streak Coupe - Newberg Showroom
The straight-8 was dubbed the Silver-Streak at Pontiac Division. Powered by the "eight", a Pontiac was promoted as a likable automobile, with enough power under the hood to get the job done in affordable luxury.
Of all cylinder layouts without balance shaft a straight eight design has very low inherent vibration, while the side-valve layout contains the moving parts of the valve train within the cast-iron block, enabling it to be very quiet compared to an overhead valve configuration (as in the contemporary Buick engines). Combined with a substantial exhaust manifold and effective intake and exhaust muffling this can lead to a very quiet vehicle, both internally and externally. At the time of its use a quiet engine was thought to be a mark of quality in an automobile. Bores need be of small diameter to keep the engine length down and so strokes must be long to obtain larger displacements - such undersquare configurations exhibit good low RPM torque and are capable of slow idle speeds, enhancing both drivability and quietness.
This car has had a cosmetic restoration and presents itself well. Along with the Silver Streak straight 8 engine, it is teamed with the GM Hydramatic transmission and is a pleasure to drive.