Gibbons Motorsports' 421 cid Small Block Chevy Engine - Engine Builder Magazine

Gibbons Motorsports’ 421 cid Small Block Chevy Engine

Engine of the Week is presented by

We couldn’t highlight just one engine during our visit to Gibbons Motorsports earlier this year. This small block Chevy UMP dirt modified engine was also coming together in the assembly room of the Mooresville, NC-based engine machine shop. Shop owner Pete Gibbons told us all about it for our Engine of the Week.

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