6066 (1960-1966) GMC Truck Club - Anyone have experience with head porting?

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6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)

- GMC V6 and V12 Engines (https://6066gmcclub.com/forumdisplay.php?f=9)

- - Anyone have experience with head porting? (https://6066gmcclub.com/showthread.php?t=50705)

James

October 1st, 2019 12:19 AM

Re: Anyone have experience with head porting?

Quote:

Originally Posted by bigblockv6 (Post 71483)

Can any larger valves be installed in the Magnum head? Does anyone have flow numbers on a Magnum head?

I have a set of magnum heads, but I don't have the casting number handy. I am planning on flow testing them at a later date. When I do I will post the results here.

James

January 20th, 2020 11:20 PM

Re: Anyone have experience with head porting?

I created a new thread for the Magnum head flow testing.
https://6066gmcclub.com/showthread.php?t=50774

1972RedNeck

January 22nd, 2020 08:04 PM

Re: Anyone have experience with head porting?

Quote:

Originally Posted by James (Post 71993)

I created a new thread for the Magnum head flow testing.
https://6066gmcclub.com/showthread.php?t=50774

Fantastic!

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