Re: '68 Z-28 Trans-Am racer on eBay
The 1972 SCCA rule book allows <u>any</u> intake manifold for Trans-Am cars as long as it fits a single 4150 Holley. See rule #G,1 of attached page from that book. Roller rockers are also allowed per the '72 rule book, page 109, rule #E,12.
-Jon
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