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Thread: ECU Remap- What can i expect to get out of it?

  
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    MR SRI's Avatar
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    Question ECU Remap- What can i expect to get out of it?

    Im considering getting my 1.8 sri remapped.

    Can anybody tell me:

    What kind of power increases can I expect?
    How much is it?
    Where can I get it done?

    Any help would be greatly appreciated.

    Thanks

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    nry's Avatar
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    Probably 5-10bhp, maybe some torque improvements too, nothing huge but the general feel of the car will be a bit nippier if the map is done right. Costs seem to be £250 upwards depending on the company involved.

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    Linea Oro's Avatar
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    It also depends of what mods you've done to the engine (air filter, camshafts, injectors, exhaust, turbo etc etc). All such things will help you get even more hp/torque out of the engine with a remap.

    So it varies from 5-10 hp to 50-60 (<- mostly turbo's though) all depending what you've done to engine.

    Real basic:
    The ECU basically controls the whole engine. From the Mass Air Flow sensor it measures how much air that goes into the engine and injects the amount of fuel that it's been programmed to, to match the amount of air that's going into the cylinders.
    Whenever you mod the engine with such as with new sports cams, the valve timing is change a bit, and therefore you need to get the ECU remapped so that it can compensate with the adjusted valve timing (air to fuel mixture, ignition timing etc etc). Otherwise the engine will run as it would before you changed the cams which can make it go poorer than it should.
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    BurrTony's Avatar
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    £295 to gain 5-10bhp, why would you bother??
    Spend your money on mods that will actually work.

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    MR SRI's Avatar
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    Thanks, I think i will just save up for either a Z20Let or just save a bit more and go for a GSI

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    Quote Originally Posted by MR SRI View Post
    Thanks, I think i will just save up for either a Z20Let or just save a bit more and go for a GSI
    +1 Mate ..... I had a 2.5 V6 Cougar with plenty of mods and that wasnt even worth mapping!

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    i had a 1.8sri with full exhaust system and induction kit, had it remapped and got an xtra 17bhp proven after with a dyno print out, and it was a big difference..

    now have vxr turbo ad have all the mods for stage 3, my remap will expect 300+ bhp

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