making power?
03-01-10, 08:24 PM
#1
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making power?
ok well i have A 1990 13B INJECTION FC. i heard that with the non turbo motor you can just have a straight pipe for an exhaust and make more power then for say buying a racing beat exhaust or something like that..can some body help me out with this. im new to rotorys if thats not noticeable lol
03-02-10, 01:08 PM
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GNARKILL
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im no expert, but what i know is the s4(86-88) has 5th and 6th intake ports that open with exhaust backpressure, so the exhaust cant be that "free flowing" for them to work.
on the s5(89-91)the 5th and 6th port open with pressure from the air pump, so you can almost have any exhaust on.
on the s5(89-91)the 5th and 6th port open with pressure from the air pump, so you can almost have any exhaust on.
03-02-10, 03:38 PM
#3
Rotaries respond well to exhaust modifications, but keep in mind that an uncorked rotary will deafen everyone within a 5 miles radius. A high quality full exhaust system like what RB sells will be streetable, yet only cost a small amount of power over a fully open setup.
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