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Tyrell give the 456 its missing 30hp back...

Discussion in '456/550/575' started by Patrik550, Aug 26, 2020.

  1. Patrik550

    Patrik550 Karting
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    Nov 28, 2006
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    Patrik
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  3. tazandjan

    tazandjan Three Time F1 World Champ
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    Terry H Phillips
    They actually did not alter the firing order on the 456 GT he was driving, but on the 456M that followed.
     
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  4. rubenpadron

    rubenpadron Formula 3
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    This is by far the best automotive YouTube channel.

    A very fair overview of the 456 and a fascinatingly simple fix... although my 550 doesn’t seem to be lacking grunt whatsoever, guess what I’ll be checking under the hood this evening?! ;)

    Cheers,

    Ruben
     
  5. hwyman

    hwyman Formula Junior

    Jun 25, 2015
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    Lol looked at mine and theres a little play.. but the adjustment on mine on the passenger side requires you to adjust the actual heim joint on the end of the cable.. making it a bit trickier
     
  6. Mirek

    Mirek Formula Junior
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  8. tazandjan

    tazandjan Three Time F1 World Champ
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    Terry H Phillips
    They made some "improvements" over the 9 years between that one and yours.
     
  9. Davidspop

    Davidspop Karting

    Dec 23, 2019
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    Lance Malcolm
    I'm going to save that... another symptom of throttle bodies "out of sync" is when the engine "bucks" when moving a low idle speed.... this is a common problem on the V10 Dodge Viper...
     
  10. MaurizioAM

    MaurizioAM Karting

    Sep 5, 2018
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    Ill have to check this out on mine. Interesting that lately there seems to have been quite a bit of videos and articles geared towards the 456's.
     
  11. Jackie and bill

    Jackie and bill Formula Junior

    Nov 29, 2014
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    I particularly like the comments about 50k mileage. That will confuse a lot of potential buyers :D
     
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  13. Laserguru

    Laserguru Formula Junior
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    Who knew these beasts were barely useable before hitting break-in at 50k miles?
     
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  14. tazandjan

    tazandjan Three Time F1 World Champ
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    As long as the valve guides were a good set.
     
  15. basscase415

    basscase415 Karting

    Jun 10, 2017
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    Can anyone speak to the technical rationale for saying these aren't broken in until ~50k miles?
     
  16. tazandjan

    tazandjan Three Time F1 World Champ
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  17. Laserguru

    Laserguru Formula Junior
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    Really nothing more than Tyrrell's personal opinion. By feel, he seems to think they come alive after, what in FerrariLand, would be considered most of their useful financial lifetime. Technically, not a leg to stand on that I know of.
     
  18. Davidspop

    Davidspop Karting

    Dec 23, 2019
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    Lance Malcolm
    I for one like that perspective cause I plan to drive the bejesus out of my 456.... and I hate to think that it's "all used up" when it hits 50K miles....cause that won't take me many years!
     
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  19. brogenville

    brogenville Formula Junior
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    It’s a good perspective to have. For my side, I know that my old 348 made more power after 50k miles than it had at 30k miles. Impossible to prove that there weren’t other factors, but seemingly the miles hadn’t stolen any ponies.


    Sent from my iPhone using FerrariChat
     
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  20. tazandjan

    tazandjan Three Time F1 World Champ
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    He also talks about coated parts when Ferraris have iron/steel wet cylinder liners and aluminum pistons. So no special coating necessary because the block is not just cast aluminum like whatever car he was thinking about.

    Good practical mechanic, though. Lots of old wives' tales out there about Ferraris.
     
  21. Tegethoff

    Tegethoff Karting
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    Is the F113 engine not Nikasil Alloy liners?
     
  22. tazandjan

    tazandjan Three Time F1 World Champ
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    Adam- If you mean the TR engine, no, it has wet liners like any other Ferrari. If you meant F116 for the 456/456M, they also have wet liners.
     
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  23. Robbe

    Robbe Formula Junior
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    Aug 22, 2013
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    Typical V12 456/550 issue, with the 348 and 355 every time the belts have to be renewed, the throttle cable has to come off because the engine comes out.
    And needs to be adjusted a bit when the engine is reinstalled.
    So no quick wins there, too bad...
     

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