How do you tell a 327 from a 283?

There is a “wing” looking thingy above the front cover that sticks out of the block. On a 283 you can’t lay your finger in the indentation, on a 327 you can. Hard to explain but easy to see if you know the difference.

Did they ever make a 327 4 bolt main?

No – GM never made a 4-bolt 327 for production use; many have been drilled and tapped for six extra splayed bolts with aftermarket main caps on the #2-3-4 journals by machine shops, but GM never made one.

How big was the stroke of the 283 Chevrolet engine?

151⁄200 in (95.38 mm) bore. The stroke of the 265 was 3 in (76.2 mm), like the 283. The 283, famous for being one of the first engines to make one hp per cubic inch, is also famous for being the evolutionary stepping stone that would later give rise to small blocks and to the “W” blocks, ultimately culminating in the Chevrolet big-blocks.

When did the Chevrolet small block engine come out?

(LT5) The Chevrolet small-block engine is a series of V8 automobile engines used in normal production by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.

What was the highest output of a Chevy SBC?

The highest output SBC (small block chevy) from the factory was only 370hp and that was in 1970 with the original LT1.

Where are the Chevy engine block identification numbers?

Chevrolet Block Identification number locations. Photo from www.justanswer.com 14010207 Small Block V8 1980-1985 350, 2 bolt or 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14088526 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14088551 Small Block V8 1986-1987 305, 2 bolt, 1-piece rear main seal

How good is a 327 engine?

Rated at 375 hp, the fuel-injected 327 was a high-winding screamer, as satisfying to drive as any big-block. At the other end of the spectrum, the 327 was also offered at much more pedestrian power levels, as low as 210 hp (gross). Regardless of the original output, the 327 (like any small-block), is a solid foundation for a performance build up.

What year did Chevy stop making 327 engine?

Chevrolet however decided for 1967 to expand the lineup of 327 engines back to 5 different models like they had in 1965. The only big difference was now the low end 327 came with a 2 barrel carburetor which severely lowered the horsepower for the engine. 1969 was the last year for the 327 and by then there were only two models produced that created 210 and 235 horsepower.

What is the HP on a 327 engine?

In its most powerful version, rated at 375 HP , the 327 CID boasted a 1.15 HP per cubic inch ratio . This represented the highest ratio of any factory assembly line engine built at that time. When compared to other powerful General Motors engines like the Pontiac Tri-power 389 , the 327 produced more horsepower and weighed less while doing it.

What was the first year for the 327 engine?

The 327 engine was introduced in 1962 and was the first of the 4.00-inch bore engines. Another 327 (RPO L30) was offered as a higher performance upgrade featuring a higher compression ratio (about 1.25 points higher) and a larger Quadrajet carburetor to make 275 hp at 4,800 rpm.