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Dwight Southerland · 04-23-2013, 06:37 AM

I have a tech sheet from 1983 that shows the BBC 215 head listed as a replacement for a 1967 396-325 and a 96 cc spec. When you have replacement heads assigned to an engine, the original specs for the engine as received from the mfr is generally what is the rule, not the characteristics of the head itself. Mid-60s 327 Chevs use the "double hump" series of heads - 461, 462, 291, 186, 041 - yet use a 57.5 cc spec. We all refer to those heads as "64 cc" heads and rightfully so because that is the manufactured characteristic. What you really need to question is the specs in the book and the source; some did not come from the mfr.

04-23-2013, 06:37 AM	#6
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,003 Likes: 64 Liked 784 Times in 196 Posts	Re: Head CC ? I have a tech sheet from 1983 that shows the BBC 215 head listed as a replacement for a 1967 396-325 and a 96 cc spec. When you have replacement heads assigned to an engine, the original specs for the engine as received from the mfr is generally what is the rule, not the characteristics of the head itself. Mid-60s 327 Chevs use the "double hump" series of heads - 461, 462, 291, 186, 041 - yet use a 57.5 cc spec. We all refer to those heads as "64 cc" heads and rightfully so because that is the manufactured characteristic. What you really need to question is the specs in the book and the source; some did not come from the mfr.