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Thread: Do i really need a fmic for stage 2 ca18det?

  1. #1
    Guest tougetoshi's Avatar
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    Do i really need a fmic for stage 2 ca18det?

    Hi all,

    Thinking of upgrading to a stage 2 chip since my car is currently not running ok. It dies when in idle. Unsuccessfull stage 3 upgrade landed me there
    Not 100% sure what chip i am running atm but it's not OEM and it has no markings.

    I have the following installed:
    Walbro fuelpump
    Free flowing exhaust (decat)
    t28
    boost controller currently running 0.8 bar
    Free flow air filter.

    My question is, will the ca18det run stage 2 with the OEM intercooler? Not recommended i know, but for now i just want the car to start working again.

    BR,
    Toshi

  2. #2
    Guest jay1017's Avatar
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    Will work but not recommended

    I.e - dont complain if you kill your engine


    Sent from my iPhone using Tapatalk

  3. #3
    Guest tougetoshi's Avatar
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    appreciate the reply jay. noted!

  4. #4
    Member arry's Avatar
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    I wouldn't. The wing mounted intercooler is very restrictive and not at all efficient. Pushing more through it would likely end in tears.
    Porsche 911 C2 & FN2 Civic Type R
    KTM 990 & Royal Enfield Bullet 500

  5. #5
    Member Rochester's Avatar
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    I ran Stage 1 and then 2 for a while on a Norris Wing Mounted Intercooler, which is twice as deep and far more efficient than the OEM. At stage 2 it worked OK but I was careful never to really push it. Went FMIC as soon as I was able to lay my hands on a Norris FMIC and have never looked back since.

    OEM intercooler ? Really not a good idea at all even at stage 1, let alone 2.

  6. #6
    Guest R3K1355's Avatar
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    If your OEM intercooler wasn't already leaking in several places I'd be very surprised.

  7. #7
    Guest suixo's Avatar
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    In my case I had piston meltdown with stage 1 and oem intercooler, so yeah... haha. Tough it is possible I had lean conditions. Thing is, with a nice IC, lean won't be as bad as in my case, so I would put one just for safety. In my case I went for a mid mount as I swapped to SR20. Shorter piping makes boost more responsive and easier to install and maintain. Didn't even have to relocate battery or cut any chassis.

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