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Re: [GMCnet] Aluminum intake manifold-opinions.. [message #326164 is a reply to message #326163] Sun, 19 November 2017 14:48 Go to previous messageGo to previous message
powerjon is currently offline  powerjon   United States
Messages: 2446
Registered: January 2004
Karma:
Senior Member
Scott,
If you use an Edlebrock Performer manifold for the 455 you will have to raise the engine cover about 2+ inches. If you use the aluminum manifold that was made for the coach patterened after the factory intake with upgrades it will fit without modes

http://www.appliedgmc.com/prod.itml/icOid/568

https://www.summitracing.com/parts/edl-2151/overview/make/oldsmobile
Not sure if the summit item is the correct, but only one listed for the 455.

JR Wright
Michigan
Buskirk Stretch


> On Nov 19, 2017, at 3:02 PM, Scott Nutter wrote:
>
> Hello,
> I might be close to removing the stock intake manifold on my 455, and was wondering the advantages of replacing it with a aluminum intake.
>
> The #1 best thing that I can see would be not ever needing the heat block-off plates, #2 would be a new product without any cracks(hopefully), and #3
> would be the weight.
>
> Any other pro's of con's?
> I have searched prior post and can only find info for the 403's
>
> Thank you,
> Scott.
>
>
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi.
> Houston, Texas
>
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
 
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