575 Technical Thread

At Scottsdale Sport, 03 575M in Grigio Titanio with Blu Scuro Daytonas and rear shelf, aluminum calipers. SN 132164, AN 49318.
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Ferrari built two pre-production 575Ms during the 550 production run, 123764 and 123765, that were used for testing, development, and writing owners manuals, workshop manuals and other tech data. These two 575Ms predated the Geneva show car, 125371, Assembly Number 43148, by several months. The first of these, I believe, was an F1 car and the second, shown here, was a three pedal car. Ferrari later updated both these pre-production models to production specs and sold them to the public. This particular 575M, 123765, is Argento Nurburgring with Blu Scuro interior and resides in Italy.

Note that the production data on the 575M and the first serial number built information in Cavallino magazine are in error. Production number for the 550 is also incorrect at 3600 vs the correct 3083.

These two pre-production 575Ms were built around March 2001, nearly a year before production versions became available.
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Martin- Beats me. The owner of 123765 came forward and identified himself to me. Have not heard from the other owner.

 

More info on 123765. Assembly Number is 42157. The serial number lines up with March 01 builds, but the assembly number matches cars completed in June 01. The car was then kept by Ferrari for nearly two years testing and not sold to the original owner until March 03, by which time it had been brought up to production spec.
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Domenic- Thanks, fixed it.
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A new member's Argento Nurburgring F1 575M, 131543, AN 48638.
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Thanks to and Italian friend, who owns an HGTC, and his Feb 06 575M/SA WSM, here are the alignment specs for the HGTC 575M.

Also, here are the specs on the suspensions for the HGTC and FHP 575Ms, done on a percentage basis compared to the base 575M:

HGTC

Front Springs: 35% Stiffer
Rear Springs: 15% Stiffer
19.5 mm Rear Anti-Roll Bar: 73% Stiffer

FHP

Front Springs: 32% Stiffer
Rear Springs: 12.5% Stiffer
21 mm Rear Anti-Roll Bar: 133% Stiffer

Save and blow up if you have a hard time reading it.
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Was just able to confirm that the HGTC 575s came with the standard 575M/Superamerica hydraulic steering ECU, part number 168034, not the FHP ECU 175891.

HGTC owners wanting to improve steering feel on their cars can buy the FHP ECU or one from John, Dave, and David's Skunkwork, which will be reflashed with the FHP hydraulic assist scheduling maps.

 

Bernard, Bill- Yellow one is very nice. Would love to have that one myself, except for the racing seats.

The red car has steel brakes and standard exhaust, so is not an HGTC.

No clue on how many HGTCs were built. WAG of somewhere between 100 and 200.

 

Rob kindly made the old serial number vs assembly number a sticky and renamed it to 575 technical thread, since that is what it really is. Hopefully will make it easier for owners to find what the are looking for.

John- I can insert the 550-575M differences chart in here if it will make it easier for you to find.