Quote:
Originally Posted by trac209
From what I read they created those to salvage a flaw in a whole bunch of off the assembly line 396 blocks. They were bored over to avoid them being junked.
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Makes sense.
Once upon a time, I thought I heard the 396 heads had larger ports and therefore more compression. If I recall, it was 10:1 Vs 8.5/1. The heads on my rebuild came off a 396. Note: I don't know a lot about engines. I just did the R and R, with my buddy who led.