The mounting brackets are completely different on the 73.....it wont bolt up to an earlier one.....there are threads on this over at PY.
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1973 Trans Am
73 455 SR block, ported 6x-8 heads, solid cam, Victor intake, 830 CSU carb, aluminum rods
oh.......did I mention the 77mm Garrett turbo and methanol injection?
886 hp at the rear wheels, 1064 at the flywheel (calculated)@5500 rpm, before the methanol injection was added. Thank you Mark L...
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