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Dwight Southerland · 12-05-2009, 01:47 PM

What Alan said. Port design, combustion chamber, durability. You can sell 077 heads as collector items for more than 401 heads cost and the 401 heads make more hp.

12-05-2009, 01:47 PM	#6
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,001 Likes: 64 Liked 780 Times in 194 Posts	Re: Which head should I use? What Alan said. Port design, combustion chamber, durability. You can sell 077 heads as collector items for more than 401 heads cost and the 401 heads make more hp.