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"Can't see the heads??" Yer jokin, right?
On the older mopars, discounting FWD and so on, there's ONLY three combustion chamber designs
Wedge, on all "big block" engines like 361, 383, and all RB engines, 413 and bigger
"poly" on the what is really a SB 318 series, or the "early" 318
Hemi. I don't have to explain THAT, do I?
Frankly, I think Chrysler made a huge mistake in not further developing the poly design.
Back when my six pack RR was fairly stock, with 3.54 Dana rear, it ran 13.oh's--there was a guy who built a 63-64 B body, with the 318 poly, and a TWO BARRELL that ran right with it. 'Course, he wasn't running 3.54's either
This was at Carlsbad, in the early '70's
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