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Discussion Starter #42
Did some porting on the 400cyl.


Added two ports from the in take port. The two on the side. Made some improvements. Changed the direction on the main transfer ports earlier this year too.


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Discussion Starter #43
Hooked it up to the Dyno and the result was:

You can see the original trailboss 350 on the curve thats below the other two. The one named "boyesen" is what it deliver atm.

Peace


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