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ecu remap worth it?

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  • 22-04-2006 3:21pm
    #1
    C_Breeze
    Closed Accounts Posts: 1,435 ✭✭✭


    are ecu remaps really worth it? ..do you see a noticeable increase in power or should i spend my 400E somewhere else??

    I know it worth it for turbo carged cars like TDI's and imprezas etc. but wat about N.A engines? say a 2.0 V6
    wat could i expect, should i get it done?


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    #2
    5500
    Registered Users Posts: 3,376 ✭✭✭5500


    Personally i wouldnt go near the route of remaps unless id other engine mod's done ie exhaust/intake/manifold as thats when you'l get the most gain from one and have your car running smoother with said bolt on's attached.

    Im not too up on mapping but some of the prices im seeing seem very cheap ie 250 - 350 for a remap,im presuming they replace a chip in the ecu for this and its not mapped on a rolling road or to you specific mods?

    An example of a mappable ecu would be an Apexi power fc,they retail over 1k and theres no set garuntee on what gains you'l make so im just kinda scepical to cheaper alternatives


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    #3
    colm_mcm
    Registered Users Posts: 73,455 ✭✭✭✭colm_mcm


    what's the car?


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    #4
    Big Balls
    Closed Accounts Posts: 944 ✭✭✭Big Balls


    eireal you don't remap a car ON a rolling road.. ?

    For a NA V6 a remap is a bit of a waste as you will see little power gains for your money.

    Just enjoy the noise off the exhaust!


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    #5
    5500
    Registered Users Posts: 3,376 ✭✭✭5500


    Big Balls wrote:
    eireal you don't remap a car ON a rolling road.. ?
    !

    Anyone ive know to had there car mapped has had it done on a rolling road with adjustements to fueling ect done on each run,by not having it RR'd you could be paying 300+ for these chips and getting 1bhp if thats the case


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    #6
    Bluehair
    Registered Users Posts: 1,336 ✭✭✭Bluehair


    It would be quite a specialised remap to use a rolling road as you do it, a live remap sure but 9 times out of 10 a generic new map can simply be loaded and the difference felt.

    Depends too on what you mean by big gains, obviously exhaust, intake etc. are important but depending on the engine there are gains to be had.

    My stock 2.5 litre straight 6 (e46 bmw 323) is factory rated at 170bhp, was remaped a month ago and rolling roaded at enfield recently at 198bhp. Granted there's an issue there in that it's rare for the 323 to actually come out of the factory with 170bph since the 325 (same engine) has 194bph but it was a questions of releasing that potential.

    Of course it's not all about bhp and torque alone. Before a short while ago i'd have said a 2.0 n/a wouldn't be worth doing but you can adjust throttle response and a number of other variables too with a remap that can make for a more enjoyable drive.

    Depends a lot on who's doing it. There's plenty of cowboys out there with a laptop who've blow the arse out of engines.


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