What was the top of the line Pontiac engine in 1969?
What was the top of the line Pontiac engine in 1969? Pontiac’s top engine option in 1969 and 1970 was its Ram Air IV (R/A IV), which had a solid 6,000-rpm operating limit. The intake-port roof of the round-port R/A IV cylinder head was raised 1/8 inch and the intake port volume was increased from 153 to 180 cc, which allowed it to operate at its intended limit. What kind of engine was in 1969 Pontiac Firebird? Never seeing the light of day was Pontiac’s only really new 1969 engine, a 303-cid small-block V8 that never got too far beyond...