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Ferrari 430 Challenge Engine Refresh

Discussion in 'Challenge/GT Cars/Track' started by UAS, Nov 4, 2013.

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  1. raider1968

    raider1968 F1 Rookie
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    #26 raider1968, Nov 20, 2013
    Great thread and detailed pictures - you all are moving pretty quickly
     
  2. UAS

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    #27 UAS, Nov 20, 2013
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  3. UAS

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  4. UAS

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  5. UAS

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  7. UAS

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  9. NICO R

    NICO R Karting

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    #34 NICO R, Nov 27, 2013
    Great job boys.
     
  10. pma1010

    pma1010 F1 Rookie

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    #35 pma1010, Nov 28, 2013
    How often do you refresh a (street) motor like this? Do you do it primarily as a preventative or because of degradation in performance? If the later, how much degradation? My race car runs a (Lotus) twin cam and gets a check mid season and a rebuild once a year.
    Philip
     
  11. UAS

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    #36 UAS, Dec 2, 2013
    In a challenge (street) engine like this, we use 2 indicators: leakdown & compression and also Km's on motor. On most motors, leakdown and compression starts to get weaker around 9,000 km's, however they can still be competitive. Once the engine reaches close to 12,000 km,s and above, the strength on of the bottom end becomes and issue, and therefore warrants a refresh like this one.
     
  12. pma1010

    pma1010 F1 Rookie

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    #37 pma1010, Dec 3, 2013
    Thanks. That's a lot of time / miles on the motor between rebuilds. My race motor is torndown about every 1000 miles.
     
  13. open roads

    open roads F1 Rookie

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    #38 open roads, Dec 10, 2013
    So... not a winter project.

    Thanks for the nice thread.
     
  14. Ferraripilot

    Ferraripilot F1 World Champ
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    #39 Ferraripilot, Dec 11, 2013
    Those stock pistons have absolutely zero taper to them don't they. Interesting, I wonder what alloy they're using.
     
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