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Solid flywheel

Discussion in 'A4/S4 forum(B5 Chassis)' started by AR-rkon, Jun 24, 2011.

  1. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 24, 2011]
    Just had the flywheel cleaned, but think they got a little trigger happy. In this condition, would it destroy a clutch plate or would it just be a strong bite and then smooth out over time?

    [​IMG]
    Last edited: Jun 25, 2011
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  3. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 25, 2011]
    Anyone have any advice?
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  4. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Jun 25, 2011]
    Not really sure what your showing? is it rough?
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  5. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 25, 2011]
    yeah, a little. kind of like rough wet n dry...
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  6. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Jun 25, 2011]
    TBH i recon it would face off first few times of slipping.
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  7. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 25, 2011]
    i was REALLY hoping someone would say that... i was thinking it would, but needed reassurance :lmfao: I bet the first couple of launches would be awesome tho :D
    #6
  8. bmarshall
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    bmarshall Member

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    [Jun 26, 2011]
    I think it will tear the disk apart, the surface should be machined.
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  9. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 26, 2011]
    oh.... :banghead:
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  10. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jun 27, 2011]
    Just to be on the safe side, i've just put the flywheel into a shop to have it skimmed (and lightened too :yum: ) should see the results in the next 2 days.
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  11. bmarshall
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    bmarshall Member

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    [Jun 27, 2011]
    Good idea, you dont want to waste time having to do it all again if you have problems
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  12. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jul 3, 2011]
    Conversion done. Feels to rev so freely now. Bite point really low, but I may solve that by adjusting the pushrod length. Remap next me thinks. BIG thanks to Jason (voorhees) for his help over this weekend.
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  13. Jason.s
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    Jason.s Active Member

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    [Jul 4, 2011]
    So what clutch in the end did you actually use?

    And on the free revving side of things i wanted to weigh the standard set up when its out because according to the ECS weights on their site under the S4 conversion the standard set up weighs asmuch as my single/S2 set up when i weighed it...:(
    Last edited: Jul 4, 2011
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  14. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jul 4, 2011]
    Used a 1Z Tdi clutch for the time being (as it was sachs and cheap) but can upgrade at a later date if needs be.

    Didnt weigh the two FWs, but at a guess the SMF felt about 1-2kg lighter than the DMF
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  15. Jason.s
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    Jason.s Active Member

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    [Jul 4, 2011]
    Hmm hopefully it is lighter then and ECS are wrong on the weights. I weighed my clutch/fly all bolted up together and it came in at 16.4kg`s (i think) and the ECS website lists exactly the same (without going and looking at the site)
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  16. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jul 4, 2011]
    The setup i used (when bolted together) didnt feel anywhere near 16kg. Totalled, felt more like 10 ish, but i could be wrong. the test will be tomorrow, when i up the power, and see if the clutch is upto the job.
    #15
  17. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Jul 4, 2011]
    I'd give the clutch some time to bed in before trashing it.

    I found the clutch to start bite very low, but required a fair amount of travel before properly hooking up when it was brand new, then after a few weeks the bite moved up a little and the travel from bite to fully engaged reduced, presumably as the two parts mated together.
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  18. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jul 4, 2011]
    Well after the travelling today, I think the clutch should have bedded. (down to London, circa 70-90mph, around London, on to Woking and back up to the midlands 80+some mph) few hundred miles worth plus clutch use in stop start London traffic...
    #17
  19. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Jul 4, 2011]
    stop start type driving is what you need really, ie slipping the clutch. 200miles on the motorway wont have done very much to bed it in.

    Hopefully be alright though, mine went onto a used unskimmed flywheel which had a slight ridge so maybe thats why it took longer.
    #18
  20. AR-rkon
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    AR-rkon BZZZZ.... caffeine fueled electrical engineer Regional Rep

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    [Jul 4, 2011]
    Well the cars running peak 14psi now, couple of WOT's in each gear and no signs of slippage. Seems happy enough though I'm going to take it easy for the rest of the week. :)
    #19

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