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Thread: Increase Engines BHP

  1. #1
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    Thumbs up Increase Engines BHP

    Hello there< I am new to this site and was wondering if I could get some help and advice. I own a 2.2 signum and was wondering what the best thing to do is to increase the BHP and up to what level is safe for the engine.

    Thanks manny

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    Regular Member Vid's Avatar
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    Welcome to the site mate!!!

    I would go for a good exhaust system to start with, and derestrict the airbox and fit a decent panel filter.

  3. #3
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    Vid's looking at about 210 from his 2.2 mate. Do a search of his threads for his progress. He's fitted, 2.4 inlet manifold, free flowing zorst manifold, sports cat, stainless free flowing zorst, stage 1 cams, he's just waiting to fit 2.4 throttle body, 2L supercharged injectors and a remap. Although your z22yh is slightly different to the z22se that Vid and myself run the differences are only in the head so most of these mods should work in your yh. HTH

    Welcome to the site by the way.

    EDIT LOL, should have seen who was looking

  4. #4
    Regular Member Vid's Avatar
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    LOL, you will scare him with that list mate!!

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    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    Quote Originally Posted by Vid View Post
    LOL, you will scare him with that list mate!!
    It scares me.

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    Well thats brill that list is the sort of thing I was looking for my mates all run turbos and dont know much about mine lol, either do i. But at least I have somewhere to start and I was hoping to get to the 200 mark

  7. #7
    Regular Member Vid's Avatar
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    Good luck with it mate! If you need to know anything just ask, plenty of people on the site who will help!!

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    Nitrous Oxide - and don't buy it, just steal it from your dentist!

  9. #9
    Regular Member Sean-2.2Direct's Avatar
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    Just wondering how much would it cost to get Nitrous Oxide set up on the Z22YH and what would be the power increase?

  10. #10
    Regular Member Flaninacupboard's Avatar
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    I think an installed price is around £600-£800. can go higher if you want (or need) multiple injectors and electronic control (rather than on/off).

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