2013 civic si coupe
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Thread: 2013 civic si coupe

  1. #1
    Join Date
    Sep 2019

    2013 civic si coupe

    Question for someone who might have an answer. Recently swapped the k24z7 motor with a z3. Got everything done and it starts right up and runs great for about 5 to 10 minutes. Then when I rev it up to around 5,000 rpm while driving it sputters terrible and sounds like a freaking Subaru lol. Turn the car off for a bit and does fine until I rev it again. Mods.3 inch Ktuned down pipeand 3 inch catback exhaust. Throttle body spacer. And currently on Just a base map tune with these mods on flashpro. Any help appreciated. Thanks

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  3. #2
    Big Pimping!!! dpetro1's Avatar
    Join Date
    Jun 2014
    Catonsville, MD
    If you are positive everything is mechanically sound, then I would say it's the tune.

    Are you sure the cam timing is correct? Any CEL?

    Sent from my SM-G920V using Tapatalk

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