... reinstallation in the car. All wiring is checked in an electronic circuit ... V-8 used last year, de-rated from 315 to 300 h.p. at 4, 100 r.p.m. Oil change interval has been raised to 6, 000 miles. General Motors has ... windshield post. Three basic bodies are used, over which they spread the Chevrolet, Pontiac, Oldsmobile, Buickanbsp;...