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02-24-2008 09:49 PM #1
Edelbrock vs. GM Performance Heads
I am thinking of buying the Edelbrock power package for my 502. However, I notice that GM Performance has a similar head to the Edelbrock.
Are these heads comparable? Are they the same?
Any info appreciated!
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02-25-2008 05:48 AM #2
My understanding is that they are very similar, and in fact Edelbrock is making them for GM-the primary difference is that the GM Heads have a 2.25" Intake, the edelbrock's have a 2.19"-
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02-25-2008 05:15 PM #3
I have heard the same thing! Edelbrock is making the GM heads.
Can anyone confirm this?
I work at a GM dealership and can get a nice discount on the heads so I am thinking of putting my own "power pack" together based on the Edelbrock packages.
Has anyone seen a flow chart of the GM or Edelbrock heads?
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02-25-2008 05:38 PM #4
the edelbrock and gm heads are about the same head the old 861/862 pro stock bow tie head is the same as the victor head that been rework many times by edelbrock and the 502/502 hp heads are the same as the edelbrock oval performer rpm heads but the 502/502 hp has a 2.250 valve and i have cut out the gm#12363399 2.190 intake to 2.250 intake that would be the same as GM #12363390 502/502 hp headLast edited by pat mccarthy; 02-25-2008 at 05:51 PM.
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