JMB RetrofitsChris Nott
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  1. #1
    s3_kev's Avatar
    Stage2'd!!!!!!

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    higher boost pressure after fmic

    after recently making and fitting my fmic and finnally got around to driving my car after 6 weeks wait for my gearbox to have been repaired , i have now noticed that my boost presure has risen from around 19-20 psi upto 23-24psi is this a safe boost level for a standard s3 engine with only the fmic and a custom code re-mapp, bit concerning but does go well now lol

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  3. #2
    1st Gear

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    Mine's running 23psi at high gears with low revs (fifth gear at 3000rpm) But that's only a peak

  4. #3
    S£'s Avatar
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    Mine runs 22.5psi, peak, i think they say the safe level is around 1.6 bar so yeah about 23-24psi..

  5. #4
    s3_kev's Avatar
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    cool so maybe i have the psi that i should have had after my re-mapp now i have the fmic to cope with the power

  6. #5
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    You should put your car on a rolling road to see how much you gain with the fmic

  7. #6
    s3_kev's Avatar
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    bit late though as i havent had it on the rollers before i fitted it

  8. #7
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    Quote Originally Posted by keem View Post
    You should put your car on a rolling road to see how much you gain with the fmic


    You won't gain any bhp from fitting a FMIC, all it does is reduce the amount of heat soak you get.

 

 

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