These heads better?

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03-11-2005, 12:04 PM

SNORX302

1st Gear Member

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Join Date: Jan 2005

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Posts: 140

These heads better?

Between GT40P heads and ported stock heads like thumpers-does anyoneknow which ones are better for power? GT40P have a giher compression ratio, but supposedly the Thumpers are better flowing. Anyone have any advice?

03-11-2005, 03:11 PM

roundman

5th Gear Member

Join Date: Mar 2004

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RE: These heads better?

here's some head test results from MM&FF magazine from a test they did on street type heads in 2003.

[IMG]local://upfiles/5542/911F29617A1442B7AC9AAC3E4BF4613A.jpg[/IMG]