Let’s use a standard of 1.15 foot-pound of torque per cubic inch as a measuring stick.Īny LS engine running on all eight cylinders can make more than this, but we’re limited by a small bore and weak (by current standards) cylinder heads.īut with 1.15 ft.-lb. While it is true that a larger 350 cubic-inch small block will make more power given its much larger displacement, it is certainly possible to make decent power. Essentially, this was the opposite approach of the much-vaunted Z/28 302 that paired the 283’s short 3.00-inch stroke with the 327’s 4.00-inch bore. So Chevy added the 327’s 3.25-inch stroke crankshaft to the 283 to produce a 307 c.i.d. While the 283 was among the best-performing engines of its day and was certainly durable, it was also small. While universally panned, the 307’s layout is really nothing less than a “stroker” 283.Ī 283 uses a 3.875-inch bore and a 3.00-inch stroke crankshaft. Jeff Smith: Let’s start with this engine’s configuration. What is the best setup for a 307 to get the most power I can out of it without blowing it up? - J.V. In my search to find the best setup, I’ve had many different answers, mostly from helpful suggestions to buy a 350 and just toss the motor in a ditch. I have a 1971 Chevrolet 307 that I’ve decided to hot rod.
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