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more power = bent rods

shanejess May 23, 2011

  1. shanejess

    shanejess Guest

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    ive had a friend of mine on the phone tonight hes stage 1 and last week fitted the infamous 3inch tip, hes as sick as a pig as hes sure this is what is to blame to make a rod to bend, the tip giving more air has put a greater load on the turbo on hes high milage s3, a specialist he uses has confirmed the tip would have put a greater strain on the turbo. all engine mods come with a level of taking a chance but this one maybe a ROD BENDER.
     
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  3. Dani_B19

    Dani_B19 Audi-sports own special child.

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    What other mods does he have other than the stage 1? Who's the map by aswell?
     
  4. LiveWire

    LiveWire S3X

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    So the title should be "More power = Bent Rod"
     
  5. Jacko4130

    Jacko4130 Goodie Gum Drops

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    Cant see how you can blame a TIP, If its a high miler and had mods on what do you expect.....
     
  6. s3dave

    s3dave TFSI Hybrid Supporter

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    I dont think you can really blame one modification to be fair.....lets face it, it is a lottery, you take your chances or not....
     
  7. Turboman-a3

    Turboman-a3 speed thrills

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    There's alot of b5 tips being used and haven't had a problem, I refuse to believe the damage suffered was down to the tip more like a weak rods gone because the power improvement of the tip I dare say whatever his next mod was it would of bent the rod?
     
  8. finesse

    finesse Registered User

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    ....
     
  9. voorhees

    voorhees Moderator Staff Member Moderator

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    I hope this isn't meant to be a spoiler for the group buy
     
  10. superkarl

    superkarl MAN OF STEEL

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    What a load of ****. How can more 'strain' on a turbo cause bent rods? What is this 'strain'? Because what the tip does is enable the turbo to do its job more efficiently. Effectively putting it under less 'strain' as you put it.
    Secondly, its been PROVEN to level out torque and boost. Which is what contributes to bent rods.

    Haha its quite funny he's instantly blaming this.
    Has he not thought it might be ill maintenance, orrrr, just a freak s3 failure
     
  11. barters3

    barters3 Registered User

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    i wouldnt mind betting that it was the driving style since fitting the tip which contributed to the bent rod.
     
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  13. AARON77

    AARON77 Registered User

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    ****** im running a Revo, 3 inch tip, , 20 psi, 340 ft/lb and have 176000 miles on the clock
    It's an
     
    Last edited: May 23, 2011
  14. s3dave

    s3dave TFSI Hybrid Supporter

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    I hope you touched wood aaron....lol
     
  15. shanejess

    shanejess Guest

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    2 things bend rods very high revs for long periods including miss judgeing gears ie 5th to 2nd gear. or putting your foot down for argument sake at 50mph in sixth and putting max strain on your turbo, the 3inch tip maxamises this with greater air direted at the most important gateway to your turbo. obviously fitting a big turbo would ruin rods but hes talking about stage 1 or stage 2 like most of us on here.
     
  16. quattro1

    quattro1 Registered User

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    id be touching cloth every time i heard a funny noise if i was on that milage, not wood!! lol
     
  17. AARON77

    AARON77 Registered User

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    i don't care tbh but I'm also under no illusion
    And won't be blaming any1 but myself if my rods go boom
     
  18. DavidW

    DavidW Registered User

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    High revs don't bend rods, high torque bends rods.

    There is no way the TIP has caused this, high mileage, the weakest part of the engine and plain old bad luck did it.
     
  19. shanejess

    shanejess Guest

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    strain load putting your foot down in a high gear at low speeds causes bent rods in a modded car fact, not **** a word you seem to like.
     
  20. superkarl

    superkarl MAN OF STEEL

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    Putting your foot down in 6th from 50mph could cause bent rods, due to the prolonged torque delivery on the rods.

    Nothing to do with the turbo, its.making its boost like any other time it does, the end, there is no strain on it at all in that sense, and certainly adding a 3inch tip would do anything in terms of strain or load, it increases its ability to get air, it still makes the same boost, still does exactly the same job, only easier

    There's no logic or theory to relate a bent rod to the tip, or the ability of the turbo to work less. It's just not possible.
     
  21. quattro1

    quattro1 Registered User

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    but you said the extra strain on the turbo - from adding the tip bent his rod, not strain load?

    and erm, karl didnt say anything about putting your foot down in a high gear at low revs so youve just corrected him on something he didnt even mention!? lol
     
  22. AARON77

    AARON77 Registered User

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    The bottom line is there's no proof!!!
    its part n parcel of putting engines under strain
    Dry ya eyes n get on with it
    " that's motoring ;) "
     
  23. superkarl

    superkarl MAN OF STEEL

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    That scenario your giving is a typical rod bending one, purely due to prolonged peak torque delivery, nothing to do with the strain on turbo, the turbo makes the boost its told to, the end, no strain, load, it just does its job like any other scenario, delivers boost how it should. Just because you have your foot down and its struggling to pick up, doesn't mean the turbo is under 'strain' or 'load'
     
  24. 16Klappe

    16Klappe Man Boost! Supporter

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    I think your friend and his "specialist" are ROD BENDERS.

    What a load of toss.
     
  25. DJ_Troopa

    DJ_Troopa Registered User

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    I don't understand how a 3" TIP is gonna bend a rod. No way! I await Bill's reply...
     
  26. shanejess

    shanejess Guest

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    your turbo gives the torque/load. more strain on it more of the mentioned, 3inch tip gives more air than is needed.
     
  27. quattro1

    quattro1 Registered User

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    gives more air than is needed?! lol!!
     
  28. superkarl

    superkarl MAN OF STEEL

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    It's just a matter of logic and basic physics theory. if you can understand that you can understand when what and how a rod might bend.
    if you know what the 3inch tip does and how youl know that it simply can't be related to rod failure
     
  29. 16Klappe

    16Klappe Man Boost! Supporter

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    Jog on mate, the 3" TIP gives the amount of fuel/air that the intake asks for. I bet your "stage 2" S3 has more torque than his stage 1 S3 with a Badger TIP, have you bent your rods?
     
    Last edited: May 23, 2011
  30. AARON77

    AARON77 Registered User

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    If was him I wouldn't even entertain it
     
  31. superkarl

    superkarl MAN OF STEEL

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    Lol, what's this strain?? The tip magically increases boost does it? It magically increases cylinder pressures??
    Please tell us how.

    Bill is gonna love this
     
  32. quattro1

    quattro1 Registered User

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    this is one of them threads that you cant refresh quick enough!!

    [​IMG]
     
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  34. 16Klappe

    16Klappe Man Boost! Supporter

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    [​IMG]
     
  35. superkarl

    superkarl MAN OF STEEL

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    Haha ive refreshed it about 3 times in a minute.
    It's just not good people making completely false assumptions about it based on nothing.
     
  36. S3 Nattie

    S3 Nattie Quattro ist für sissies

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    WOW. So much incorrect information in this thread already, not even the basics are right lol.
     
    Last edited: May 23, 2011
  37. s3dave

    s3dave TFSI Hybrid Supporter

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    The fact is any engine modification that increases the power will contribute to a bent rod if it is going to happen... weather it is the 3 " tip or a map, the point is you carnt say it was the 3" tip was the cause...if he had the 3" tip on first then a remap, was it the remap that bust the rods??
    Everybody that is pushing the engine out of origonal spec should be aware of the consequences.....be it 250bhp----or 350bhp
    Has he had the sump off ? any signs of oil starvation?
     
  38. S3Lol

    S3Lol Registered User

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    Shanejess, you wanted to get Bills TIP back in March!?
     
  39. AARON77

    AARON77 Registered User

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    If bills tip is that great that it can push ya engine to destruction I'll have another
     
  40. s3gazz

    s3gazz Registered User

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    All I can say is been running mine now for few week with a Cr hybrid turbo few other mods including 3" tip and 24 psi and a **** map as I suppidly went down the root of been a tit but only got mi self to blame if goes booom

    I had no job and was going down this root anyway so thought **** it I just take it easy everywhere got manual boost controller so lowering the boost asap
     
  41. s3gazz

    s3gazz Registered User

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    I'd say oil starvation but I'm no expert either just been told by a mate who work at audi and see this all time
     
  42. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator

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    Sorry mate but this is NO proof that the TIP is too blame... why rods bend on 20v's has been discussed more times than I care to remember and the reasons are subjective at best... granted tuning an engine puts more strain on components but the way you have worded your post looks more like a direct dig at this particular component rather than an objective view of the overall level of tune on your mates car finally pushing it over the edge... it maybe only stage 1 but I have seen some pretty rubbish stage 1 maps running lean and overboosting which are all contributory factors to engine failure in particular rod failure... rod failure is becoming more common on higher mileage 20v's regardless of level of tune and there is no one thing that leads to this happening...

    Your statement ...
    ...is so inaccurate its not true...

    The way your post is worded sounds more like grievance than information...

    <tuffty/>
     
  43. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    My god. How much miss information can there possibly be in one place.

    The long and short of it is, The engine will only draw what it needs.

    The Tip allows the engine to breath easier and makes the engine work less hard bringing air in, thus improving power.

    I am watching this thread to make sure that the facts are stuck to as anything else is hearsay IMHO
     

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