Stupid Question I Finally Have To Ask

7E-Bodies · June 18, 2022, 12:27:53 PM

Please explain the meaning and history behind B/RB engines. I see it all the time and am ashamed to say I'm drawing a blank.

MoparLeo · June 18, 2022, 01:19:03 PM

The R on the RB block stands for Raised deck. So the taller block allows for a longer stroke/more cubic inches.

https://www.allpar.com/threads/the-rb-engines-383-413-426-440.229900/#post-1085223998

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