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#1
02-09-2021, 03:59 AM
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488671 Aluminum Intake Manifold
Howdy all, it's been a while. I have a question. I have an aluminum 2-piece Pontiac intake manifold, part number 488671. The casting date is 11-12-75 on the manifold and 10-29-76 on the crossover. I'm thinking that it must be a service replacement part given that it appears to be a '72 455 HO intake manifold. However, I can't find the part number in any of the usual places. Can anyone confirm that it is what I think it is?
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#2
02-09-2021, 07:34 AM
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Part number is right in front of carb mounting surface. It ends in 74 not 71. 483674, so it's a 71.
You have a 69-71 crossover but you have it reversed. Choke area is in passenger side. Dates make it SR parts. Sent from my Moto Z3 Play using Tapatalk
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