Timimg Belts | Page 2 | FerrariChat

Timimg Belts

Discussion in 'Boxers/TR/M' started by turbo-joe, Dec 9, 2017.

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  1. Melvok

    Melvok F1 World Champ
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    Jul 25, 2008
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    Amersfoort, The Netherlands, Europe.
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    Mel
    To conclud: ALL cars with belts have now new belts every 3 years or at 50.000 kms.

    See the (?) difference in price for belts of TR and 512TR ... and 512M ...

    Image Unavailable, Please Login
     
  2. turbo-joe

    turbo-joe F1 Veteran

    Apr 6, 2008
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    thank you mel :)
    but why so much difference in the prices?
     
  3. Melvok

    Melvok F1 World Champ
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    Don't ask me Romano .....
     
  4. turbo-joe

    turbo-joe F1 Veteran

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    mel, I not specially askec you. I ask all here, may be someone could explain this much difference?
     
  5. Melvok

    Melvok F1 World Champ
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    Anybody here who can help Romano on answers about the prices of Engine-Out (EO) services in your country please ? :D
     
  6. EZORED

    EZORED Formula 3
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    Nov 24, 2007
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    The 512 tr and M engines come out thru the top. The Testarossa engine drops out thru the bottom. Evidently it is harder to pull up rather than down. Gravity must be a factor!!LOL
     
  7. turbo-joe

    turbo-joe F1 Veteran

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    why the 512TR and M engines have to come out to the top?
    my testarossa engine ( 1987 ) I always take out to the top because I hate the procedure for a new wheel alignement, what most not do when they put out the engine to the buttom
     
  8. 2NA

    2NA F1 World Champ
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    There's no reason to align the wheels just because you removed the engine assembly. The rear suspension remains intact.
     
  9. turbo-joe

    turbo-joe F1 Veteran

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    not really ok. you are right that the rear suspension itslef remains intct, but the whole suspension could move a little to the right or the left side. and so the center of the rear axle may be not the same as the center of the front axle.

    you ever meassured before and after? I did once and that is why I not take out the engine to the buttom.
     
  10. 2NA

    2NA F1 World Champ
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    It seems impossible for any significant misalignment to occur from merely unbolting and reinstalling the engine on a Testarossa. I have one in my shop now, on a stand that I recently removed from the car. It is attached by 20 14mm close fitting bolts and also 12 others that attach the shock towers. It only attaches one way. I am far more skeptical of your centerline measurement technique than I ever would be about the assembly of the car. That said, it is entirely reasonable to expect that a car that is getting a major service could benefit from a wheel alignment. Just not as a result of any changes induced by the engine-out procedure. Image Unavailable, Please Login
     
  11. turbo-joe

    turbo-joe F1 Veteran

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    when I baught my koenig competition a former technician from koenig told me so and I also could not believe. for me once it was also impossible, but after I meassured before and after I have seen that this mechanic has been right.
    so next time you may also meassure before and after please.
     
  12. blown daytona

    blown daytona Formula 3

    Feb 6, 2008
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    maryland
    I agree with 2NA, there is no way that subframe position is changing with that many mounting points and hardware
     
  13. ago car nut

    ago car nut F1 Veteran
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    Took my TR for alignment after engine out. No change. This last complete re work, trans, engine out, new suspension bushings. Will take it for alignment when the weather improves.
     
  14. JIMBO

    JIMBO Formula 3
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    14 years and 36,000 miles on current belts with no issues
     
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  15. turbo-joe

    turbo-joe F1 Veteran

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    when you would get issues it will be too late then. the belts not tell you shortly before they will make problems ;)
     
  16. johnk...

    johnk... F1 World Champ
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    But the cost to repair the motor after 14 years will be less that doing a major service every 3 or 4 years. :)
     
  17. turbo-joe

    turbo-joe F1 Veteran

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    I doubt
    doing a motor right it needs far more than 50.000
    but also I think a major every 8-10 years and low mileage is still ok

    I just do a major on my BB and the belts still looks not bad ( after 15 years but only not even 10.000 km ). but there is always a risk the longer you will wait
     
  18. ttforcefed

    ttforcefed F1 World Champ
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    shldnt belt replacement be a function of usage (miles) and not time, unless the car lives in the sub zero or 120+ f environment? i mean if a car is stored at 60 degrees with humidity control and the car does 10k miles over 10 years, what is degrading the belt?
     
  19. vincenzo

    vincenzo F1 Rookie

    Nov 2, 2003
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    No perfect answer.

    risk analysis
    vs
    risk tolerance

    Me? Every 5 years on a low mileage, well cared for car does it.
     
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  20. ttforcefed

    ttforcefed F1 World Champ
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    why though? science can estimate how much a material degrades with no use, no?
     
  21. vincenzo

    vincenzo F1 Rookie

    Nov 2, 2003
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    Too many variables:

    Ozone levels

    Storage temp

    Temp fluctuations

    Heat soak

    Frequency of running the engine (when in storage, the belt tension varies greatly over the length of the belt)

    No doubt.... many more
     
  22. ttforcefed

    ttforcefed F1 World Champ
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    i just cant see changing a timing belt every 2k miles on a car stored in a climate controlled facility
     
  23. johnk...

    johnk... F1 World Champ
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    Baloney.
     
  24. JIMBO

    JIMBO Formula 3
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    I have a different philosophy on belts and ferraris than most people. I believe the more they sit, the quicker the rubber parts degrade. I drive my car. A lot. After 14 years and over 36000 miles since the last belt change/major, it still runs perfectly and only now has started to drip a little oil from the differential plug. No rattles, no noises. Smooth as silk.
    I'll probably change the belts this month and I'll try to keep FerrariChat with me in photos. I do have a few questions:
     
  25. JIMBO

    JIMBO Formula 3
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    1. Is the Hill engineering tensioner bearing better than the ferrari piece?
    2. Is the Gold Connector kit by Dave Helms worth the $2362 price tag?
    3. Has anyone changed the water pump during a major.
    4. Valve shims - are the modern shims hardened on both sides?
    5. Anyone tried a zero-pressure coolant system?
    I'm sure I'll have more questions as the project continues.
    Thanks,
    Jimbo
     

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