How to choose a SBC engine
| Line 9: | Line 9: | ||
* 302 CI: The Z/28 engine used for a short while. Great for high RPM hp and T/A racing. If you can find one (original 302 cranks are very expensive). | * 302 CI: The Z/28 engine used for a short while. Great for high RPM hp and T/A racing. If you can find one (original 302 cranks are very expensive). | ||
* 305 CI: Decent engine, many consider it too small for hi-performance, but decent enough for street performance in a [[Reducing vehicle weight|lightweight car]]. | * 305 CI: Decent engine, many consider it too small for hi-performance, but decent enough for street performance in a [[Reducing vehicle weight|lightweight car]]. | ||
| + | * 307 CI: Effectively a large-journal 327 crank with a 283 bore size. | ||
* 327 CI: Considered a good engine for higher RPM hp, can be built for street performance if you get tired of hearing: "350, 350, 350, 350". | * 327 CI: Considered a good engine for higher RPM hp, can be built for street performance if you get tired of hearing: "350, 350, 350, 350". | ||
| + | * 334 CI: 305 block with 400 crank. | ||
* 350 CI: America's most popular SBC. Not much needs to be said, they fit most budgets and expectations, great all around engine. | * 350 CI: America's most popular SBC. Not much needs to be said, they fit most budgets and expectations, great all around engine. | ||
| + | * 353 CI: 400 block with 327 crank. | ||
| + | * 377 CI: This is a 400 block with a 350 crank and either special bearings or bearing spacers, your choice. | ||
* 383 CI: 350 block with a 3.75 crank. Considered when low end hp or torque are necessary. Initially required external balancing but internal balance cranks are common today. | * 383 CI: 350 block with a 3.75 crank. Considered when low end hp or torque are necessary. Initially required external balancing but internal balance cranks are common today. | ||
* 400 CI: Stock cranks are external balanced, crank manufacturers are currently producing internal balanced cranks. | * 400 CI: Stock cranks are external balanced, crank manufacturers are currently producing internal balanced cranks. | ||
| + | |||
| + | The original standard bore and stroke for each: | ||
| + | * 262 CI: 3.671" x 3.100" | ||
| + | * 265 CI: 3.750" x 3.000" | ||
| + | * 267 CI: 3.500" x 3.480" | ||
| + | * 283 CI: 3.875" x 3.000" | ||
| + | * 302 CI: 4.000" x 3.000" | ||
| + | * 305 CI: 3.736" x 3.480" | ||
| + | * 307 CI: 3.875" x 3.250" | ||
| + | * 327 CI: 4.000" x 3.250" | ||
| + | * 350 CI: 4.000" x 3.480" | ||
| + | * 400 CI: 4.125" x 3.750" | ||
==Related articles== | ==Related articles== | ||
Your Privacy Choices