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Engine Building & OverhaulingAll you ever wanted to know about building and rebuilding engines in here! Remember to post your model-specific questions in the correct section.
I have a 3932386 Casting block dated K 12 8 (Nov 12 68 ). It's a 4 bolt main with a large journal 327 crank. My question is about a casting on the front of the block. It has an HB. What does the HB
mean?
April 26th, 2020, 10:12 AM
Small Block Id help
