| Re: [GMCnet] Aluminum intake manifold-opinions.. [message #326183 is a reply to message #326182] |
Mon, 20 November 2017 08:27   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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Any high rise manifold will aid in giving slightly better acceleration .
Most are designed for higher rpm gains
Sent from my iPhone
> On Nov 20, 2017, at 6:16 AM, Chris S. wrote:
>
> We replaced our OEM iron manifold with an aluminum only because the OEM one was starting to crack. We went with the Offenhauser (ported and sold by
> Mondello) which is slightly raised from the OEM so like some mentioned like the Edelbrock, we had to modify the hatch and raise it 0.75 inches and get
> a lower profile air cleaner housing. We also installed Paterson's block-off kit as well. After all of that, I have not seen any huge or noticeable
> benefit other than possibly some better acceleration but I have no scientific way to benchmark it. I was hoping for some help with cooling, and vapor
> lock, which it didn't seem to help with. FWIW.
> --
> Chris S. -
> 77 Kingsley, 3.70 FD, mostly OEM -
> S.E. Michigan
>
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