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09-10-2019, 09:01 AM
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#1 |
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Senior Member
 Join Date: Oct 2013
Location: lousiville Ky
Posts: 2,637
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GMC V6 Cylinder Head 2436647
GMC V6 2436647 cylinder head, is this a magnum big port head. Searched and have not found any information about whether big or small port. Certain information shows as 401/478 engine head. Thanks for help determine port size.
Les |
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09-10-2019, 04:43 PM
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#2 |
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Registered User
Join Date: Sep 2010
Location: Hancock Md
Posts: 386
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Re: GMC V6 Cylinder Head 2436647
I dont know about part numbers but I thought it was as simple as the exhaust port shape. If its square its a normal head and if it is rectangle its magnum, the magnum ports the height is like 1.5 times of width.
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09-10-2019, 10:34 PM
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#3 |
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Senior Member
 
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,820
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Re: GMC V6 Cylinder Head 2436647
__________________
MusicMan70 1961 GMC Suburban |
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09-12-2019, 11:51 PM
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#4 |
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Senior Member
Join Date: Oct 2013
Location: lousiville Ky
Posts: 2,637
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Re: GMC V6 Cylinder Head 2436647
Thanks, for the information on the cylinder head.
Les |
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