355 - Fiorano Handling Package Vs Challenge Suspension ECU. | Page 6 | FerrariChat
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355 Fiorano Handling Package Vs Challenge Suspension ECU.

Discussion in '348/355' started by ShineKen, Aug 17, 2021.

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  1. ShineKen

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    #126 ShineKen, Feb 18, 2022
    There are several Pagid Yellows. Some more abrasive than others. Im trying to figure out which specific one was used on FHP 355s.
     
  2. day355

    day355 F1 Rookie

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    #127 day355, Feb 18, 2022
    I will try to find you the reference of the FHP s Pagid.
     
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  3. ShineKen

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    #128 ShineKen, Feb 20, 2022
  4. ShineKen

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    #129 ShineKen, Mar 4, 2022
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  5. ShineKen

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    #130 ShineKen, Mar 4, 2022
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  6. ShineKen

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    #131 ShineKen, Mar 4, 2022
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  7. ShineKen

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    #132 ShineKen, Mar 4, 2022
    New Brembo drilled rotors should be arriving in about a month.
     
  8. Skippr1999

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    #133 Skippr1999, Mar 4, 2022
    Jealous
     
  9. ShineKen

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    #134 ShineKen, Mar 4, 2022
    Brake pads and rear sway bar are still available for purchase :).
     
  10. 308 GTB

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    #135 308 GTB, Mar 4, 2022
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  11. ShineKen

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    #136 ShineKen, Mar 4, 2022
    I’m glad you brought this up as I have another mystery to solve :).

    Sway bar bushings for these uprated sway bars are #178510 (fronts) and #178509 (rears). Google image and image from sellers are showing the bushings as white. However, I’ve seen them standard red on FHP cars. Are the bushings white or red on a challenge car?




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  12. ShineKen

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    #137 ShineKen, Mar 4, 2022
  13. ShineKen

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    #138 ShineKen, Mar 4, 2022
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  14. MAD828

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    #139 MAD828, Mar 5, 2022
    Where is the rear sway bar available? Haven’t looked lately.
     
  15. ShineKen

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    #140 ShineKen, Mar 5, 2022
    Eurospares
     
  16. ShineKen

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    #141 ShineKen, Mar 5, 2022
    Challenge sway bar bushings are white.

    What is interesting to note is 355 challenge cars didn’t seem to have uprated front and rear sway bars until 1999? I ask because they don’t show up on Eurospares’ product list unless you’re in the 1999 355 challenge product listing.

    It shows 1996 355 challenge cars had standard front and rear sway bars with white “uprated” bushings. In short, there are white and what I would assume to be much more solid bushings for both standard and larger sway bars. If they are solid, there would be less deflection vs the rubber bushings (red). Which means, you can improve the performance of the standard sway by simply installing these white challenge bushings. How much performance improvement? Who knows? They will probably squeak overtime and will need periodic lubrication maintenance.

    One could also look into a middle ground such as a polyurethane bushing from Energy Suspension.



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  17. ShineKen

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    #142 ShineKen, Mar 5, 2022
    It appears Skip is the first person on Fchat to quote the correct FHP bushing part numbers, which are rubber, not solid challenge-type others have quoted in the past.

    These are the correct part numbers:

    Plus : 175878 front sway bar bushings x2
    Plus : 103259 rear sway bar bushings x2


    I’m wondering if our standard bushings could be bored out larger (by 2mm) to accommodate the FHP sway bars.

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  18. ShineKen

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    #143 ShineKen, Mar 5, 2022


    Rare sighting of FHP car with uber rare factory-optioned gold calipers. My guess is red calipers come standard when you order a Fiorano Handling Package, but one could still option other available colors (yellow, silver, black) for extra. That or gold was the only available “upgrade” from red since it is detailed in the Scaglietti brochure.
     
  19. ShineKen

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    #144 ShineKen, Mar 5, 2022
  20. 308 GTB

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    #145 308 GTB, Mar 5, 2022
    Ken,

    These are the two pages in the 1999 Ferrari F355 Challenge Technical Regulations Manual which show the part numbers for the standard and uprated front and rear sway bars and bushings.

    Barry
     

    Attached Files:

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  21. PAUL500

    PAUL500 F1 Rookie

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    #146 PAUL500, Mar 5, 2022
    Yes the parts from the 96 challenge car I have are standard parts, but use the white bush.

    Its basically solid nylon, where as the red ones are a silicon rubber with more flex
     
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  22. ShineKen

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    #147 ShineKen, Mar 5, 2022
    Next mystery. I swear to god, it’s never straight-forward with these cars. Everything’s a goddam mystery :).


    Sway bar front arm/link. There are two part numbers. Early version (up until car assembly number 27956) and a later version. Part numbers 161813 and 170075. What the hell is the difference between the two? I can’t tell. I prefer not to have to buy 170075 (as my car has 161813) if I don’t have to.


    https://www.ebay.com/itm/Ferrari-Part-161813-FRONT-SUSPENSION-ANTI-ROLL-BAR-LINK-F355-F-355-/173612469110?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l6249&mkrid=711-127632-2357-0


    https://www.ebay.com/itm/Ferrari-355-5-2-Front-Suspension-Roll-Bar-Link-P-N-170075-/401741108940?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l6249&mkrid=711-127632-2357-0
     
  23. ShineKen

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    #148 ShineKen, Mar 5, 2022
    Design seems identical. Stronger part in later version?
     
  24. 308 GTB

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    #149 308 GTB, Mar 5, 2022
    If there were no mystery, it wouldn't be a Ferrari. :D

    Ken, that's why I'm so lucky to have Jim McGee at Pocono Sportscar taking care of my car...


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    When he was at FNA, he helped develop the 348 Challenge. Prior to his leaving FNA, he was helping t0 develop the F355 Challenge, namely nine as it was the first North American F355 Challenge. I'm fortunate in that he's intimately familiar with my car and knows the proper maintenance and replacement parts it needs.

    Right now my car is at his shop having its major service performed. This service will also include removing all suspension control arms, cleaning and lubricating all of the bushings and replacing any of them which need to be replaced. All four shock absorbers are at Delta Vee for revalving to suit my current level of driving. Ride height, and everything necessary for its Challenge alignment will be done. Indeed, certain tracks, like Daytona, need a custom alignment which he does as necessary. He goes to all track events along with his technicians to ensure my car is in proper mechanical order and safe to drive, even if it means getting under the car if necessary...


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    The moral of the story is there are times we have to leave things to the pros. There are certain parts on the F355 that need to be upgraded. There are certain design flaws that need to be corrected to avoid oil and gas leaks. Originality is of least concern when it comes to a race car.

    I'll be visiting the shop in a couple of weeks to check on the car. It's fun to see the car taken apart, but more important than that is he always explains everything he's doing so that I better understand the mechanical workings of the car and how it affects my driving it on the track.

    I'll let you know what sway bar bushings are on my car. I know they've been uprated in the past.

    Barry
     
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  25. PAUL500

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    #150 PAUL500, Mar 6, 2022
    Just a thought, are the splines on the ends of the stronger arb bigger? thus needing a bigger hole in the drop link? thus a new part number
     
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