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intake manifold id

PostPosted: Fri Jun 20, 2014 6:02 pm
by jim327monza
I have a gm aul intake, casting number 10185024, with what is said to be a winter foundry snowflake cast in to it. I know that this is a z-28 style intake that was sold as a service piece. my question is how to date the manifold ? Their is no "date code" that i recognize stamped or cast on it. The only marking besides the casting number is on the front bottom . It reads /312832. I have no clue! As always , any information that you cane provide is greatly appreciated!!!
Thank You Jim H.

Re: intake manifold id

PostPosted: Sat Jun 21, 2014 11:48 am
by chevyart
jim date probably dont matter as it is an over the counter part, not as numbers match part. production line manifolds didnt have the bowtie cast into it. yours probably does have it. sell it if it will bring in decent money. get a edelbrock RPM air gap for yourself with the money(if you are looking for performance.) art

Re: intake manifold id

PostPosted: Sat Jun 21, 2014 7:01 pm
by jim327monza
Art, Thanks for the reply. Yea it has the bowtie cast on it. i wanted to date it just for my own knowledge. As for selling it, they sell for $225-300 at the car show that i go to. However, I have plans to put this on top of the 327 that is going in my 76 2+2.
Thanks jim

Re: intake manifold id

PostPosted: Sun Jun 22, 2014 4:13 pm
by chevyart
jim that is a good plan. it will look nice and perform great. those manifolds were really improved over the earlier aluminum hi rises. they got better around 1967-68 and are great for that hi-performance hit when you feel like mashing the throttle down every so often.. try not to overcarb your engine. send some pics when you are done art