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The Official FX Royal Racing Engine Thread

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Old 05-28-2019, 12:02 AM
  #1726  
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Fixed the problem. I had to rotate the carb and is all good. Thank you.
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Old 05-28-2019, 12:05 AM
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This motor has very strong low end and mid power. Top end is good also.

Last edited by Niz55; 05-30-2019 at 11:43 PM.
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Old 06-13-2019, 05:54 AM
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Can I use OS plugs in the FX engine?
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Old 06-13-2019, 10:16 AM
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Originally Posted by Tigergutt View Post
Can I use OS plugs in the FX engine?
yes you can. I use the gold O.S. p3 plug
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Old 06-14-2019, 03:35 AM
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Which FX exhaust is specific only for fuel-economy.

Thank You
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Old 06-15-2019, 02:32 PM
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Originally Posted by Team_Orange View Post


yes you can. I use the gold O.S. p3 plug

Thanks 🙏
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Old 09-08-2019, 04:51 PM
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Need help deciding, 3 port or 5 port? What's your all's experience.
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Old 09-09-2019, 10:49 PM
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Originally Posted by arm2storm View Post
Need help deciding, 3 port or 5 port? What's your all's experience.
K301 EC for buggy and the k501 for truck.
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Old 09-11-2019, 12:01 PM
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Originally Posted by SkippyMatt View Post


K301 EC for buggy and the k501 for truck.
What about pipes? Any recommendations for a small to mid size track?
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Old 09-11-2019, 02:13 PM
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Originally Posted by arm2storm View Post
What about pipes? Any recommendations for a small to mid size track?
havent really done any pipe testing on the k301 EC. I run the S/M header and the 2131 pipe. A friend made a change to the medium header and when I drove it, it had more bottom end power and was definitely more snappy. I would recommend the medium header with 2131. Maybe test the long header if you want to purchases two headers. I have not tried the 2100 or 2108 pipe, so no comment on those
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Old 09-15-2019, 06:00 AM
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Originally Posted by SkippyMatt View Post


havent really done any pipe testing on the k301 EC. I run the S/M header and the 2131 pipe. A friend made a change to the medium header and when I drove it, it had more bottom end power and was definitely more snappy. I would recommend the medium header with 2131. Maybe test the long header if you want to purchases two headers. I have not tried the 2100 or 2108 pipe, so no comment on those
Thanks man
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Old Today, 08:08 PM
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Who's sells the latest K301 besides rcamerica. I want one but they don't offer any type of discount charge for shipping and $34 tax.
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