GM Chevrolet 6.0 366 - Production Years 1968-1985

Description

Originally designed in 1968, the 6-liter Chevy 366 was a popular engine for Chevy & GM’s medium-duty trucks and school buses. Variations of this engine remained in production until 2004, though fitment is different for each iteration.

Throughout its life, the 366 included 4 rings on the pistons. The 366 is also a tall deck engine, with a deck almost half of an inch taller than the 392, 402, and 454 production engines.

Makes & Models

• 1968-1985 Chevy & GM Medium Trucks
• 1968-1985 Chevy & GM school buses

1968-1985 Chevy 366s from MABBCO

• Short Block Chevy 366s - 1968-1985
• Long Block Chevy 366s - 1968-1985
• Premium Long Block Chevy 366s - 1968-1985
• Chevy 366 Crankshaft - 1968-1990

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