Evo 7 vs 8 and 9 fuel rails
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Evo 7 vs 8 and 9 fuel rails
Hey guys has done any testing on the volume of the evo 7 fiel rail vs the 8 and 9? The design of the 7 rail is tubular while the 8 and 9 has a flat but broad rail. I have both of them and I would like to know what is the better design and which hold more fuel