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  1. #121
    james0808's Avatar
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    When i fitted a fmic to my golf i didnt notice any extra lag.
    I have recently changed from a top mounted charge cooler(shortest route possible) to a large fmic and 2.5" pipes on my GT4 and didnt notice any extra lag on that either.It doesnt take much to pressurise the pipes and intercooler and although it might be a couple of hundred rpm more you shouldnt really notice the extra lag.

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  3. #122
    mattm's Avatar
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    Surely your GT4 has a bigger turbo than the tiny ko3??! so you wont feel as much of a loss as I do.

  4. #123
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    Its not a massive turbo but is bigger than a Ko3.My golf had a ko3 then a ko3s on it though.

  5. #124
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    Quote Originally Posted by james0808 View Post
    When i fitted a fmic to my golf i didnt notice any extra lag.
    I have recently changed from a top mounted charge cooler(shortest route possible) to a large fmic and 2.5" pipes on my GT4 and didnt notice any extra lag on that either.It doesnt take much to pressurise the pipes and intercooler and although it might be a couple of hundred rpm more you shouldnt really notice the extra lag.
    I noticed a couple of hunderd RPM on my S3 when I had the big SMIC and FMIC in series...but it was worth it for the boost I could run.

    You can tell on the road, and see it clearly on the dyno charts.
    It's probably worth it though...but I'd still try to get one with as large a surface area as possible, but a volume as close to the SMIC as possible.


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  6. #125
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    Quote Originally Posted by s3_kev View Post
    since fitting my intercooler every so often when i come to a stop my revs drop off a little then kinda of scrabble around to try and idel as normal again, as if theres an idel control fault could this be due to the incressed capacity in the intake system
    any one got any help here for me then????? thanks in advance

  7. #126
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    You could try cleaning and resetting the throttle body.

  8. #127
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    Quote Originally Posted by s3_kev View Post
    any one got any help here for me then????? thanks in advance
    It's possible I suppose. I never had a problem, nor know anyone who did...

    But when I blew an IC hose off my car wouldn't idle...so there is a potential issue between what the MAF reads and what the engine sees...although I wouldn't have thought a bigger IC would mess things up so badly that it was out of the range the ECU could auto-calibrate to.

    Have you had the faults scanned?
    Could be a MAF issue?
    TB problem? (needs cleaning, or aligning)

    I'd try to get the faults checked first to see if you get any clues there.


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  9. #128
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    Quote Originally Posted by Ess_Three View Post
    It's possible I suppose. I never had a problem, nor know anyone who did...

    But when I blew an IC hose off my car wouldn't idle...so there is a potential issue between what the MAF reads and what the engine sees...although I wouldn't have thought a bigger IC would mess things up so badly that it was out of the range the ECU could auto-calibrate to.

    Have you had the faults scanned?
    Could be a MAF issue?
    TB problem? (needs cleaning, or aligning)

    I'd try to get the faults checked first to see if you get any clues there.
    yeah i have checked and no codes present, i have also re-set the throttle body using the scanner, i am going to clean it on monday and see what happens. i thought it would be a bit strange for the fmic to effect things but doesnt always do it normally does it when i come of the throotle at higher revs then to a stand still. which is why i questioned the fmic,

  10. #129
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    kev check all the vacuum hoses are connected, when i fitted mine and started the engine, the revs were all over the place and it stalled... turned out to be a vacumm hose fell out, behind the DV...

  11. #130
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    well i have just cleaned out the throttle body couldnt be bothered to wait till monday, so i shall see what happens overthe weekend now

  12. #131
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    Or this on a3 for alternative route for shorter pipe runs
    Last edited by ANDYTQ; 18th October 2008 at 18:23.
    06 A4 AVANT QUATTRO 2.0T S-LINE SE,GARNET RED, RS4 REAR ARB,SPACERS ALLROUND,H & R SPRINGS,B5 PERCHES,A6 V8 RIMS.PORSCHE CAYENNE TURBO S SIX POTS .REVO ST2 MAP ,MILLTEK CATBACK EXHAUST,PANEL FILTER,034 INTAKE PIPE.

  13. #132
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    link hasnt worked

  14. #133
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    Top piping,dv piping is going to change to cold side set up which will look neater.Pipe run is much cooler ie not over exhaust manifold(good design or what?)as original,so original sh*t metal pipe can be removed,also pipe run is as short as possible so not to introduce lag.Temps on a day with ambient of 26,with repeated runs highest temp was 36 all checked on vag com.Also end tanks custom made to aid flow with deflectors fitted inside also.Concept racing in Hereford made it up in a day,with me and a mate assisting,dv pipe was made at 7pm hence not so neat i had to get home to cardiff.Cheers Andy
    Last edited by ANDYTQ; 18th October 2008 at 18:42.
    06 A4 AVANT QUATTRO 2.0T S-LINE SE,GARNET RED, RS4 REAR ARB,SPACERS ALLROUND,H & R SPRINGS,B5 PERCHES,A6 V8 RIMS.PORSCHE CAYENNE TURBO S SIX POTS .REVO ST2 MAP ,MILLTEK CATBACK EXHAUST,PANEL FILTER,034 INTAKE PIPE.

  15. #134
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    Quote Originally Posted by s3_kev View Post
    link hasnt worked
    Should be ok now
    06 A4 AVANT QUATTRO 2.0T S-LINE SE,GARNET RED, RS4 REAR ARB,SPACERS ALLROUND,H & R SPRINGS,B5 PERCHES,A6 V8 RIMS.PORSCHE CAYENNE TURBO S SIX POTS .REVO ST2 MAP ,MILLTEK CATBACK EXHAUST,PANEL FILTER,034 INTAKE PIPE.

  16. #135
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    that looks rather sexy, is that inlet manifold the standard one polished??

  17. #136
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    Quote Originally Posted by s3_kev View Post
    that looks rather sexy, is that inlet manifold the standard one polished??
    Yep just standard one,messy to do when its fitted,i wish that i had taken it off .
    06 A4 AVANT QUATTRO 2.0T S-LINE SE,GARNET RED, RS4 REAR ARB,SPACERS ALLROUND,H & R SPRINGS,B5 PERCHES,A6 V8 RIMS.PORSCHE CAYENNE TURBO S SIX POTS .REVO ST2 MAP ,MILLTEK CATBACK EXHAUST,PANEL FILTER,034 INTAKE PIPE.

  18. #137
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    That looks nice AndyTQ. Did that set you back much?

  19. #138
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    It was a one off,i was hoping we could have got a kit made up(my mates were already using him to make ibiza kits),but due to the amount of trimming required to the bumper and front panel we decided not to bother.So if the guy would do another one not sure how much he would charge,mine was cheap as my mates were buying in large quantities of core and pipe material so paid trade on materials plus Bob's labour to make it up,outstanding attension to detail by him,apart from the dv pipe because we wanted to go home and it was late.Bob had a wicked race car he was building from scratch,a open cockpit carbon bodied beast,he bought the carbon body panels from a now defunked race team and made the chassis ,suspension and everything else himself to fit the body,was running a bike turbo engine.I have some pics somewhere,which i shall put up so you can see the quality of his work.
    06 A4 AVANT QUATTRO 2.0T S-LINE SE,GARNET RED, RS4 REAR ARB,SPACERS ALLROUND,H & R SPRINGS,B5 PERCHES,A6 V8 RIMS.PORSCHE CAYENNE TURBO S SIX POTS .REVO ST2 MAP ,MILLTEK CATBACK EXHAUST,PANEL FILTER,034 INTAKE PIPE.

  20. #139
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    hi mate,sorry if i have been lazy and not read the whole post,but what is this intercooler? and where did you get it? sean

    Quote Originally Posted by ANDYTQ View Post
    Or this on a3 for alternative route for shorter pipe runs

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  21. #140
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    you are being lazy, read the post directly above yours for your answer
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  22. #141
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    lol...cheers buddy

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  23. #142
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    pm me for prices or e mail info@forgemotorsport.co.uk

  24. #143
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    Kev, what size hose clamps did you use? 79-85 or 85-91, and Mikalor supra or supra W4 PRO?

  25. #144
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    not to sure cant really remember but i think more like 79-85 but just used jubilees

  26. #145
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    Quote Originally Posted by s3_kev View Post
    since fitting my intercooler every so often when i come to a stop my revs drop off a little then kinda of scrabble around to try and idel as normal again, as if theres an idel control fault could this be due to the incressed capacity in the intake system
    Hi,

    Do you happen to have Vag-Com ?

    I would be interested to know your ECU P/N... maybe its 8L0906018N ?

    Cheers
    Morgan

  27. #146
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    Quote Originally Posted by Morgan-VAGCHECK View Post
    Hi,

    Do you happen to have Vag-Com ?

    I would be interested to know your ECU P/N... maybe its 8L0906018N ?

    Cheers
    Morgan
    no unfortunatly but since removing and cleaning the throttle body and then re-setting it with a snap on scanner sems to be ok, maybe i could get the ecu info of the scanner ill try and remember to look tommorow once back at work, why is this a fault you have seen before?? its a 2000 apy engine if that helps, do you no of another solution then??
    Last edited by s3_kev; 30th October 2008 at 18:46.

  28. #147
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    Hi,

    I know of someone experiencing the exact same symptoms on an APY, with 018N ECU hence why I ask if you know your ECU P/N.

    They too have fitted a FMIC, amongst lots of other bits.

    They are certain the vehicle never exhibited this behaviour before they started there modifications, but are unsure at which point during there build this symptom appeared.

    Its almost like the ECU cannot "catch" the revs, when coming to a stop & depressing the clutch. The revs dip, & idle is unstable for a few secounds, although this does not occur all the time.

    Cheers
    Morgan

  29. #148
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    Quote Originally Posted by Morgan-VAGCHECK View Post
    Hi,

    I know of someone experiencing the exact same symptoms on an APY, with 018N ECU hence why I ask if you know your ECU P/N.

    They too have fitted a FMIC, amongst lots of other bits.

    They are certain the vehicle never exhibited this behaviour before they started there modifications, but are unsure at which point during there build this symptom appeared.

    Its almost like the ECU cannot "catch" the revs, when coming to a stop & depressing the clutch. The revs dip, & idle is unstable for a few secounds, although this does not occur all the time.

    Cheers
    Morgan
    yeah sounds exactly the same as my faults were, as said above they are the repair i have carried out also when i come to a stop i leave it in gear for longer before depressing the clutch to come to a stop so as to give the ecu more time to cope. try what i have done if not allready sholud help, although i have forgoten to read my ecu details if it was possible using the scanner

  30. #149
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    Hi,

    Thanks for the update, if you do get a chance to try & check the ECU details with your scanner it would be good.

    We actually swapped the throttle body out for one known to be functioning perfectly, as one of our first tests in trying to isolate the issue.

    I was just interested to see if in fact your affected APY uses the same ECU version, as I have strong suspicion this issue is in part down to HW changes, & also in part to this particular ECU variant.

    Cheers
    Morgan

 

 
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