Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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unfortunately, the invoice copy provided by PHS will not include the Assembly Number aka engine unit number. From some Pontiac assembly plants plants for '67 models, a partial Asm Number is indicated. Similar deal in early '68. After that, this number never makes it onto an invoice. '69 400-2bbl optioned GTO's are an odd case, the economy engine doesnt always show up as an option on the invoice. The 400 2bbl was only avail with its own specific two letter ID code Turbo 400 & typically have a very high ratio rearend gear...2.78's.