I added a link for you to check out. According to this site it will fit. I do know that the thermostat housing is different and that you will have to run a point type distributor as the HEI won't clear the carb. A Mallory Uni-lite might clear. Not sure.
An intake from a Pontiac 400 will fit a 389 as long as the engine, or more specifically, the heads are from model year 1965 or 1966.
Pontiac Intake Manifold Interchangeability1957-19581959-19601961-19641965-1979Does not apply to 301 or the RA V
No, not even close. Pontiac 350 intakes will interchange with 1965-1979 Pontiac 389,400,421,428,455 intakes. Most all aftermarket Pontiac V8 intakes are designed for the 1965 up bolt pattern. 350 Chevy is part of the small block Chevy engine family, and virtually nothing interchanges with a Pontiac V8.
A direct bolt in, 1961 to 1965 389 ci, Pontiac including the Pontiac Tempest.
E-bay or craigslist Try Hemmings Motor News
250hp The Horse Power rating stock is 250 HP
6 quarts if also changing the oil filter.
A cast aluminum intake manifold used on the 1965 396 cu in Corvette engine.
How many pontiac parisienne's were built in 1964?
It bolts to the engine block next the oil pan. If you are unsure what it looks like, follow the positive (+) battery cable down to it.
AnswerTempest.LeMans
This is no question.....