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  1. #1
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    Piggyback tuning chip

    Are these worth bothering with or not?

    http://cgi.ebay.co.uk/SINSPEED-Modif...d=p3286.c0.m14

    I honestly don't expect to gain 25bhp from just telling my ECU that it's running on colder air, but do you lot think there would be any gains at all?


    By the way I don't sell these, I'm looking to buy one.

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  3. #2
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    youd actually need the colder air to get any gains, if hotter airs being sucked in then how can the ecu tell it thats its colder air. it can tell it, but its not colder and the combustion ratio will be the same.

    it may cause problems to.
    Its gone replaced with a mk2 golf gti 16v :D

  4. #3
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    I must admit it's confusing me how it works too. What problems could it cause? As of tuesday I'll have a cold air feed and induction kit. I'm making a heat shield so the temp of the air is kept as low as poss. Would the piggyback thing be worth 25? I don't see what it could do?

  5. #4
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    For a turbodiesel yes, 25bhp is possible, as I have one, and it bloody shifts! I doubt you'd get 25bhp from a petrol though, 5 maybe?


    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh!



  6. #5
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    So Jojo have you come across any problems? How long have you been running one?

  7. #6
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    Quote Originally Posted by Davsurfa View Post
    So Jojo have you come across any problems? How long have you been running one?
    7 years and 85k miles(car currently on 168k miles!), apart from lots of black smoke under full throttle(over fuelling), no running problems at all.


    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh!



  8. #7
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    Hmmmm...... Gotta be worth chucking 25 notes at I reckon then. Cheers

  9. #8
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    So Davsurfa have you installed your piggy-back on yet or any other news you can pass on cuz i'm looking at it as well and maybe i can get some ideas from u. cheers

  10. #9
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    Not yet, the piggyback should be here end of the month(I just laid out on 2 new tyres, tax, test and the induction kit) Although the induction kit has made a noticable difference

  11. #10
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    I was warned against putting the induction kit on but I seriously think it has improved the cars performance, not so much an increase in power just smoother and it revs more "freely". On here I was told yes the chip would make a difference but on another forum I've been told to avoid them like the plague. I will be buying one and fitting it but whether it stays on or not we'll see.

    If you fit a K&N then I'd recommend a heat shield of some sort, it does deaden the noise to an extent, but I've put a thermometer in the engine bay and ran the car then behind the heat shield and ran it again. There was a 20 degree difference and the shield doesn't even seal!! If I fit an induction kit to any other car in the future I'll be doing the same again.

  12. #11
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    DiKapo what are you driving? Mods?

  13. #12
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    thanks for ur ideas, i drive a3 1.8 2000. I was looking at ebay http://cgi.ebay.co.uk/AUDI-A3-1-6-EC...d=p3286.c0.m14 . and thought to do a research about piggy-back , its not only about bhp but smooth idling as well but i'm kinda scared that something might happen to the car and things like that , how about the iduction kit? as i dont know much about it hehe/ cheers

  14. #13
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    as for induction kit what you need to change is the air filter only? in order to gain horsepower .

    Like replacing the old air filter with the new one is that all? pics

  15. #14
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    I wouldn't fit one to my car, all it does is tel the ECU that the car is running on choke slightly to richen the mixture. Most cars with injection may allow the timing to advance slightly due to the cooling effect of the excess fuel. Side effects can be poor cold starting andbore wash ( which is where so much fuel makes it into the cylinders it litteraly washed the oil away)

    Jojo is running a different kind of piggy back to this, especially made for diesels which can alter settings as it fits inbetween the engine and the ECU. The piggy back chip above fits between the the water temp sender and the ECO and is nothing more than a .25p resistor in a posh box

  16. #15
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    Remove the air box and throw it at the neighbours dog, but before you do that have a mooch at this Shielded induction kit then after fitting the K&N sit back and enjoy. Well, at least that's what I've done. On mine there was a flat spot at low revs which was annoying but that has dissappeared now and at full twat there is a lovely sound which makes me very happy

  17. #16
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    The chip that you are looking at is different to the one I'm looking at. Yours seems to save fuel by running the car lean where as mine would run the car richer by essentially running on choke so to speak, even though the ad says it could increase mpg but I really can't see how. I've yet to see any mod that increases bhp and actually increase mpg.

  18. #17
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    Quote Originally Posted by Byzan A4 View Post
    I wouldn't fit one to my car, all it does is tel the ECU that the car is running on choke slightly to richen the mixture. Most cars with injection may allow the timing to advance slightly due to the cooling effect of the excess fuel. Side effects can be poor cold starting andbore wash ( which is where so much fuel makes it into the cylinders it litteraly washed the oil away)

    Jojo is running a different kind of piggy back to this, especially made for diesels which can alter settings as it fits inbetween the engine and the ECU. The piggy back chip above fits between the the water temp sender and the ECO and is nothing more than a .25p resistor in a posh box

    With "bore wash" how long would this take to happen? I understand how and why it would happen but are we talking 2-300 miles or a couple of years??

  19. #18
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    Really depends on so many factors, could be days weeks or months.

  20. #19
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    Hmmmmm.......... Bugger! That may of put a downer on the plan.

 

 

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