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Subject: Re: 400 heads


Author:
ltcbm
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Date Posted: 09:28:03 12/21/03 Sun
In reply to: kevin 's message, "400 heads" on 14:03:09 03/20/03 Thu

Out side of 441's 350 and 400 heads are the same with just steam hole drilled in them. If you are tuning under 6500 A set of 305 or 305 ho heads is the best inexpensive way to go. Just but 1.94 1.5 valves in them and they will run great. They have a 58 cc combustion chamber which is smaller than camel hump(smaller is better more compreesion). The dirt track guys have been running these for some time now with great sucess. I have saw as much as .500 picked up at the track with this swap. The heads are easy to find and cheap. Just a little mach work for the valves. For just a few bucks you will have a set of heads that will out perform most stock camel hump heads on stock to mild motors. If you got a wild motor still don't consider camel hump heads, you can buy a set of after market heads for about what you would put into an old set of heads machine work and all.

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