You can tell this is a true competition engine compartment if for no other reason than the prodigious use of safety wire around such items as the oil fill cap and the alignment shims for the upper control arms.

Traco built many of the early Trans-Am 302 Chevy engines for competitors such as Penske. We have a Xerox copy of a series of '67 Traco dyno sheets that trace one 302's evolution from a stock 343 hp at 6.500 rpm to 402 hp at 6,800 with Traco heads, a GM transistorized ignition, and an Engle camshaft.

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