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motonic 5.2

Discussion in 'Technical Q&A' started by pwongd, Jan 4, 2004.

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  1. pwongd

    pwongd Karting

    Nov 5, 2003
    227
    Thailand
    Full Name:
    pwongd
    #1 pwongd, Jan 4, 2004
    I've been trying to locate such info on the chat but came up nil. Can anyone tell me which year did the F355 change from motonic 2.7 to 5.2, what kind of a difference the change made to the car?
    Thanks.
     
  2. Ferrari_tech

    Ferrari_tech Formula 3

    Jul 28, 2003
    1,527
    UK
    Full Name:
    Malcolm W
    #2 Ferrari_tech, Jan 5, 2004
    As far as I can tell it was in early to mid 1997 that the change happened, however the easiest way to tell is by chassis number - the 5.2 cars had a number ZFFXR ................... and the 2.7 cars had a number ZFFPR ........................


    MW
     
  3. rexrcr

    rexrcr Formula 3

    Nov 27, 2002
    1,572
    Kalamazoo, MI
    Full Name:
    Rob Schermerhorn
    #3 rexrcr, Jan 5, 2004
    For US road cars, it's 1996. Challenge remained 2.7, and therefore race only.

    As for differences, Motronic 5.2 complies with the more stringent OBDII standards. Do a search for OBDII for more infomation and/or purchace the Bosch Handbook from www.sae.org. SAE site searches will also yield OBD information.

    As for visual indicators, one "hot film" MAF sensor instead of two "hot wire" MAF sensors in the induction of the F355.

    Best regards,

    Rob Schermerhorn
     
  4. pwongd

    pwongd Karting

    Nov 5, 2003
    227
    Thailand
    Full Name:
    pwongd
    #4 pwongd, Jan 5, 2004
    Thank you both. I quess there's no difference in performance then. I've heard before that the 5.2 cars have a little better throttle respond than the 2.7, and are quicker off the line. Please let me know if this is true.
    Thanks
     
  5. conscom

    conscom Formula Junior

    Jan 6, 2008
    467
    Vancouver BC Canada
    Full Name:
    Gary
    #5 conscom, Mar 14, 2008
    I presume that if the 5.2 had to meet more stringent standards, then the 2.7 would have better performance?? I recently bought my 1995 F355
    built in Nov., 1994 with Vin beginning with ZFFPS
     
  6. Andi355

    Andi355 Formula Junior
    BANNED

    Sep 26, 2005
    381
    #6 Andi355, Mar 14, 2008
    > 6/1996 = 5.2
    < 6/1996 = 2.7
     

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  7. Dr_ferrari

    Dr_ferrari Formula 3
    Consultant Professional Ferrari Technician

    Nov 2, 2003
    1,071
    Pocono Sportscar
    Full Name:
    Jim McGee
    #7 Dr_ferrari, Mar 14, 2008
    Absolutely correct. another addition for the 5.2 was the introduction of knock sensors which the 2.7 does not have.

    Best regards, Jim
     

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