What kind of crankshaft did a 1967 Chevy V8 use?
What kind of crankshaft did a 1967 Chevy V8 use?
The 1967 302 crankshaft was a small journal (2.00-inch rod journals and 2.30-inch main journals) while all 1968-69 302 crankshafts are large journal (2.10-inch rod journals and 2.45-inch main journals) and all were 3.00-inch stroke. All are forged steel and Tuffrided.
When did the Chevy 302 V8 come out?
The Chevrolet 302 V8 engine was produced mainly for the Camaro Z28 from 1967 to 1969 to be used in Club of America Trans Am racing. At the time in order to compete in Trans Am racing, a car’s engine had to be 305 cubic inches or less.
What was the horsepower of a 1969 Chevy 302?
The street version was conservatively rated at 290 HP @ 5800 RPM. During the ’69 Trans Am season the racing engines were putting out 470 bhp at a 9,000 rpm redline. Designed for the road racing environment, the engines featured a scraper style windage tray.
What kind of engine did the Boss 302 have?
The real magic of the Boss engines came from the canted-valve Cleveland cylinder heads. While the Boss 302 was normally considered a 302 with 351 Cleveland heads, these canted-valve heads were used first on the Boss before the rest of the Cleveland was developed.
What was the engine number for a 1967 Chevy 302?
This is the approach Chevrolet took when designing the 302 for SCCA competition. The blocks used in 1967 were casting number 3892657. These small journal blocks were also used for 327 and 350 cubic inch engines as well (all three engines used a 4.00″ bore).
The 1967 302 crankshaft was a small journal (2.00-inch rod journals and 2.30-inch main journals) while all 1968-69 302 crankshafts are large journal (2.10-inch rod journals and 2.45-inch main journals) and all were 3.00-inch stroke. All are forged steel and Tuffrided.
What’s the difference between 1968 and 1969 302 cubic inch engines?
This difference was due to California emissions regulations, which required that vehicles sold in California use an AIR (air injection reaction system). However, the 1968 and 1969 302 cubic-inch engines were all equipped with an AIR emissions system, meaning all 302 cubic-inch engines of those years received the same carburetor.
What kind of Block was used for 1969 302 engine?
The 1968 block was also used for the 327/210 hp and 350 295 hp SS engines. The blocks used in 1969 featured thicker webbing around the mains and used nodular iron 4 bolt caps. A common misconception is that 1967 and 1968 302’s were 4 bolt blocks, while actually the only engine to use 4 bolt main caps was the 1969 version.
