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Thread: Flatten power at High RPM like 5000

  1. #1
    Inactive Member HondaCivicEx98's Avatar
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    I feel the car not pulling hard at high RPM
    Why is that? I have a civic EX with JRSC and fuel pump DC header Trust SP exhaust and stock air intake. Timming at 8 btdc.
    thanks any help

  2. #2
    Inactive Member Holden's Avatar
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    Your stock intake is likely unable to "breathe" the 40% increased over stock airflow.

    Go with a cai.


    ------------------
    Greg Holden
    96 GSR, JSRC, I/H/E, yada yada yada...
    My JRSC Install Site

  3. #3
    Senior Hostboard Member JRCivic's Avatar
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    Also, bring your timing back up to 10' BTDC.

    ------------------



    '93 Civic Si H/B with B18C1, JRSC @ 8psi
    Best 1320: 12.68 at 110 mph

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