![Small Block And Big Block Engine [Bore/Stroke Chart]](https://chevyuse.com/wp-content/uploads/2024/02/hh.webp)
Welcome to my blog! Using the Bore and Stroke chart here, I will explore small and big block engines. These charts guide you to know what makes these engines different.
Small Block And Big Block Engine
Small block engines are small and agile, making them suitable for sports automobiles. Big block engines are larger and more powerful, making them ideal for heavy-duty vehicles. The bore and stroke chart represent their specifications.
Also, check Best Duramax Engine [What Are The Best And Worst Years?]
Chevy Small Block Engines: Bore And Stroke Chart
In the mid-1950s, Chevrolet introduced the small engine with the 265 cubic inch Turbo-Fire. Small block engines are smaller and lighter, perfect for sports cars and small vehicles. The Turbo-Fire, which improved the Corvette’s 0-60 mph pace by 1.5 seconds, had a 4.4-inch bore spacing and 3.75 bore in 1955, with 162 horsepower and 257 lb-ft of torque.
GM celebrated its success by producing its 100 millionth small block engine in 2011, heralding the end of big block engines.
Chevrolet’s tradition continues with the fourth generation of small block V8 engines, widely employed in cars ranging from Corvettes to trucks.
Below, I will show the Bore and Stroke chart that shows the size and other specifications, helping people who like cars understand and choose the right engine for what they want.
| Manufacturer | CID | Liters | # Cyl | Bore (in) | Stroke (in) |
|---|---|---|---|---|---|
| Chevrolet | 350 | 5.7 | 8 | 4.000 | 3.480 |
| GM Performance | 383 | 6.3 | 8 | 4.030 | 3.750 |
| Scoggin-Dickey | 400 | 6.6 | 8 | 4.125 | 3.750 |
| Edelbrock | 415 | 6.8 | 8 | 4.100 | 3.750 |
| Blueprint | 427 | 7.0 | 8 | 4.125 | 3.750 |
| Dart | 434 | 7.11 | 8 | 4.155 | 4.000 |
| Pro-Filer | 454 | 7.4 | 8 | 4.250 | 4.000 |
| World Products | 470 | 7.7 | 8 | 4.185 | 3.900 |
| RHS | 480 | 7.9 | 8 | 4.200 | 3.875 |
| Eagle | 496 | 8.1 | 8 | 4.310 | 4.000 |
| Scat | 510 | 8.4 | 8 | 4.185 | 3.900 |
| Lunati | 525 | 8.6 | 8 | 4.320 | 4.000 |
| Callies | 540 | 8.9 | 8 | 4.375 | 4.125 |
| RHS | 555 | 9.1 | 8 | 4.400 | 4.125 |
| Dart | 565 | 9.3 | 8 | 4.420 | 4.200 |
| Brodix | 572 | 9.4 | 8 | 4.445 | 4.125 |
| Eagle | 588 | 9.6 | 8 | 4.500 | 4.250 |
| World Products | 600 | 9.8 | 8 | 4.530 | 4.250 |
| Scoggin-Dickey | 615 | 10.1 | 8 | 4.580 | 4.375 |
| Blueprint | 630 | 10.3 | 8 | 4.625 | 4.375 |
| Lunati | 650 | 10.7 | 8 | 4.680 | 4.500 |
| Edelbrock | 670 | 11.0 | 8 | 4.720 | 4.500 |
| Brodix | 685 | 11.3 | 8 | 4.780 | 4.625 |
| Pro-Filer | 700 | 11.5 | 8 | 4.825 | 4.625 |
| RHS | 725 | 11.9 | 8 | 4.880 | 4.750 |
| Callies | 740 | 12.1 | 8 | 4.925 | 4.750 |
| Eagle | 760 | 12.5 | 8 | 4.980 | 4.875 |
| World Products | 775 | 12.7 | 8 | 5.030 | 4.875 |
| Scat | 800 | 13.1 | 8 | 5.080 | 5.000 |
| Pro-Filer | 825 | 13.5 | 8 | 5.130 | 5.000 |
| Lunati | 850 | 13.9 | 8 | 5.180 | 5.125 |
| Edelbrock | 875 | 14.3 | 8 | 5.230 | 5.125 |
| RHS | 900 | 14.7 | 8 | 5.280 | 5.250 |
| Callies | 925 | 15.1 | 8 | 5.330 | 5.250 |
| Brodix | 950 | 15.6 | 8 | 5.380 | 5.375 |
| Blueprint | 975 | 16.0 | 8 | 5.430 | 5.375 |
| Dart | 1000 | 16.4 | 8 | 5.480 | 5.500 |
| Scoggin-Dickey | 1025 |
Chevy Big Block Engines: Bore And Stroke Chart
Rats and Turbo jet engines are also known as the Big Block engines. In the 1950s, Chevrolet introduced a more efficient and powerful Big Block engine. Big block engines are large and efficient. It is mostly used in big trucks and powerful cars.
The first big block, the “W” series, was introduced in 1958 and had amazing characteristics, such as offset valves and unusual rocker covers. Even though Ford entered the big block market in 1968, many customers today prefer larger versions of small blocks. In 2009,
GM stopped introducing Big blocks instead of focusing on powerful small-block engines made from innovative materials. People who appreciate the vintage look can still build their Big blocks out of aftermarket pieces.
Below, I will show the Bore and Stroke chart that shows the size and other specifications, helping people who like cars understand and choose the right engine for their wants.
| Manufacturer | CID | Liters | # Cyl | Bore (in) | Stroke (in) |
|---|---|---|---|---|---|
| Chevrolet | 454 | 7.4 | 8 | 4.25 | 4.00 |
| Ford | 502 | 8.2 | 8 | 4.47 | 4.00 |
| Dodge | 396 | 6.5 | 8 | 4.09 | 3.76 |
| GM | 427 | 7.0 | 8 | 4.25 | 3.76 |
| Chrysler | 572 | 9.4 | 8 | 4.56 | 4.37 |
| Pontiac | 468 | 7.7 | 8 | 4.31 | 4.00 |
| Buick | 540 | 8.8 | 8 | 4.50 | 4.25 |
| Oldsmobile | 502 | 8.2 | 8 | 4.47 | 4.00 |
| Cadillac | 496 | 8.1 | 8 | 4.31 | 4.25 |
| Plymouth | 572 | 9.4 | 8 | 4.56 | 4.37 |
| AMC | 454 | 7.4 | 8 | 4.25 | 4.00 |
| Mercury | 396 | 6.5 | 8 | 4.09 | 3.76 |
| Dodge | 427 | 7.0 | 8 | 4.25 | 3.76 |
| Ford | 502 | 8.2 | 8 | 4.47 | 4.00 |
| Buick | 468 | 7.7 | 8 | 4.31 | 4.00 |
| Oldsmobile | 540 | 8.8 | 8 | 4.50 | 4.25 |
| Pontiac | 496 | 8.1 | 8 | 4.31 | 4.25 |
| Cadillac | 572 | 9.4 | 8 | 4.56 | 4.37 |
| Chevrolet | 454 | 7.4 | 8 | 4.25 | 4.00 |
| Ford | 396 | 6.5 | 8 | 4.09 | 3.76 |
| Dodge | 427 | 7.0 | 8 | 4.25 | 3.76 |
| GM | 502 | 8.2 | 8 | 4.47 | 4.00 |
| Chrysler | 468 | 7.7 | 8 | 4.31 | 4.00 |
| Buick | 540 | 8.8 | 8 | 4.50 | 4.25 |
| AMC | 496 | 8.1 | 8 | 4.31 | 4.25 |
| Mercury | 572 | 9.4 | 8 | 4.56 | 4.37 |
| Oldsmobile | 454 | 7.4 | 8 | 4.25 | 4.00 |
| Plymouth | 396 | 6.5 | 8 | 4.09 | 3.76 |
| Cadillac | 427 | 7.0 | 8 | 4.25 | 3.76 |
| Ford | 502 | 8.2 | 8 | 4.47 | 4.00 |
