port primary intake or not?
#1
Should I be porting the primary intake on my motor build? The motor is ported with Rb street port template. From what I've read, porting the primary would result in a weaker low end but a stronger top end. I'm looking to get between 250 and 300 hp, should I port the primary? This car has to be versatile because I drive it a few times a week. Any opinions?
#2
i actualy wouldnt mind finding out to im about to buy a rx7 and i want to know wut kinda port i can do out of my own home i want to get the most power i can i dont care to much about the idle change or anything just as long as it is somewat drivable on the street and how hard it is to do the port?
#5
From my experience I would have to say port the primaries. After all thats where the primary injectors are. Those are the ports that do most of the work down low´(street). Just don´t go too wild on them because then it will lose port velocity and your bottom end will suffer. On my bridgeport porting the primaries smaller gave me a much nicer transition.
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j200pruf
Rotary Engine Building, Porting & Swaps
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06-25-2004 10:59 AM
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