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What about the square ports on the 3vzfe? How do you make a set of round headers when the ports are square?
It seems that the stock manifold would be a bottleneck, but i think i remember toysrme's guide saying that headers would not make any power. Is this still what everybody thinks?
Where does the stock manifold become a major restriction? If your only looking at a somewhat mild build(300-400hp) is it worth the effort?
Would it make a difference if you want to go N/A, compared to turbo, compared to supercharged?
Is their some chinese pos company that makes cheap headers that can be made to fit right for these engines?
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