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mk2 golf 1.8t, GT30 build thread.

Discussion in 'Badger5' started by ibizacupra, May 23, 2010.

  1. PhilW

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    Yeah that make sense but if there is no coolant there in the first place as theres an airlock it might not work, and I was also led to believe the pump only runs after the car switches off under certain circumstances.
     
  2. joehirth

    joehirth Rate me up baby

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    If there was an air bubble/ lock of some sort the pump would surely pull that through too, like when you suck on a straw. My coolant pump runs whenever the car's on, and for 10 minutes after it's switched off.
     
  3. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    i dont predict any issue.. mine has'nt, nor anything i have built yet
     
  4. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    pump runs all the time..
    you checked yours is actually pumping? if so its circulating
     
  5. PhilW

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    Have you built a mk2 like this before bill? The header tank looks much lower than an ibiza position thats why i ask.

    Thanks for the replies, i'll shut up now and stop spamming. lol.
     
  6. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    nope.. first mk2 I have done a turbo upgrade to. It was previous Jabba IHI setup on it dome some years ago.

    my ibiza header tank is even lower. zero issues on mine.

    Do you not suspect yours has a cracked head perhaps?
     
  7. PhilW

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    I have no idea to be honest bill, im re-doing the coolant feed and return now as it wasnt great, a lot of up and down sections etc... and i have noticed my turbo sits considerably higher than most top mounts.

    Im doing all the things i know are not right first or are easy to do before i pull the head off. I dont think its the head as it done it straight away when i fitted the turbo. The week before fitting it i drove up to Rockingham and back for a track day with zero issues.
     
  8. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    you cracked off the coolant fittings to the turbo etc when its running (if you can access them) to see if fluid escapes etc?

    elevate the expansion bottle off its bracket temporary to encourage the system to fill also.. I did this on my ibiza as its bottle sits lower than normal.
     
  9. PhilW

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    Thanks bill, will check these out this weekend when i get the coolant lines fitted and re-bled. :)
     
  10. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    #90 ibizacupra, Aug 28, 2011
    Last edited: Aug 28, 2011
  11. Hartosh1

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    What happens when its switched haha :drive1: lots of fun i bet!
     
  12. RobDon

    RobDon Pro Detailer

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    Engine moves around alot eh? No uprated mounts?
     
  13. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    vibratechnic mounts, old ones, which were on there from before... needs race front one me thinks... movement is severe, but so is its power. :)
     
  14. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    High rolling losses (20% on both actuator only and full boost) from the uber sticky R888's
    This is the max number run (just cos it can :) ), in practical terms, and its track use its turned down to 400bhp

    [​IMG]
    [​IMG]
     
    #94 ibizacupra, Aug 31, 2011
    Last edited: Aug 31, 2011
  15. PhilW

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    That power curve looks like an NA! Awesome!

    I still cant see how anyone thinks they can get full boost sub 4000rpm on a 3071.
     
  16. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    nope nor me. poppy **** as me old mum used to say.
    on the road it will spool faster than the dyno would make it look liek if like seans ibiza did.

    the purpose of the mapping and boost onset was to try and make is as non turbo like in power delivery terms, so traction is optimised. Joys of a standalone ecu which allows me easy full control of stuff.

    it should drive nice...
     
  17. Fishy

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    Nice smooth power lines there, AFR's are a little jumpy though. ;)

    Fish
     
  18. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    lol - you logged your own car lately? :p
     
  19. joehirth

    joehirth Rate me up baby

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    Something for me to try and keep up with ;) looks good.

    Are there plans for the box in the future? I assume it won't take much 400+bhp before it sh!ts itself?
     
  20. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    this is a full size GT30 remember... not a T25 jobbie with internal gate ;)
     

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