factory asphalt grinder - Ferrari Life
 
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post #1 of 15 Old 04-28-2013, 04:29 AM Thread Starter
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factory asphalt grinder

I 've come to respect the opinion of most of the people on this site for posting actual problems and solutions to the everyday inconveniences of ferrari ownership. Yet after years of production no one has come up with a skid plate or something to install under the nose of my 550/575M. For 225k this should have come with training wheels up front. If this had been built in that other country it would have a sensor that would make that lazy horse put his front paws down or something! Am I the only one who feels like im driving a snowplow every time I pull out of the driveway or any parkinglot
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post #2 of 15 Old 04-28-2013, 07:53 AM
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Ron- Big problem on the 550, but not nearly as bad on the 575. The last five Corvettes I had all dragged their spoilers on my driveway, but the 575M, at stock ride height, does not.

Taz
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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #3 of 15 Old 04-28-2013, 08:55 AM
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550 has nothing structurally strong enough to attach a plate to.


The belly pan is essentially rubber and it flexes up into the bottom of the radiator on the left side and the A/C hoses on the right.

It is a car, like many others that you just need to exercise some care in getting in and out of driveways. We have a TR and I find driving a 550 zero problem. TR and F40 drivers have an issue, from experience I really don't see one with 550. The ground clearance is not bad.
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post #4 of 15 Old 04-28-2013, 08:59 AM
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One solution: http://www.ferrarilife.com/forums/fe...tml#post220080

'99 550, Rosso Corsa / Nero, S/N:114654, Assy: 31836, Engine: 52084

High mileage, low compression, and missing on a few cylinders.....just like my cars.

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post #5 of 15 Old 04-28-2013, 12:18 PM
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John- You put a hydraulic lift on yours, did you not?

Taz
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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #6 of 15 Old 04-28-2013, 01:28 PM
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Taz, yes I did. It gives around 2" of additional ground clearance in 5-6 seconds, so if you see a particularly nasty speed bump coming up, or a steep driveway, you can raise the front end and save some paint, your undercover, and/or an A/C hose.

It goes back down very quickly - probably no more than a second or two.

Unfortunately I don't have many miles on the setup as I began my "major" very soon after it was installed, but the few times I used it before taking the car off the road, it was brilliant. I'm looking forward to using it this summer, assuming I get the major and a few other items squared away.

'99 550, Rosso Corsa / Nero, S/N:114654, Assy: 31836, Engine: 52084

High mileage, low compression, and missing on a few cylinders.....just like my cars.

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post #7 of 15 Old 04-29-2013, 02:24 AM
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Quote:
Originally Posted by DONRON View Post
I 've come to respect the opinion of most of the people on this site for posting actual problems and solutions to the everyday inconveniences of ferrari ownership. Yet after years of production no one has come up with a skid plate or something to install under the nose of my 550/575M. For 225k this should have come with training wheels up front. If this had been built in that other country it would have a sensor that would make that lazy horse put his front paws down or something! Am I the only one who feels like im driving a snowplow every time I pull out of the driveway or any parkinglot
No, you are definitely not alone. I would love to know if there is a solution less extreme / expensive than replacing the front spoiler with a 575 version, or adopting the hydraulic lift idea, brilliant though it is. My questions are:

1. What damage am I actually doing when I scrape the underside of my car other than cosmetic damage to the underside (which I don't get to see, so it doesn't bother me that much)?

2. Is it possible to raise the ride height at the front only (given the length of the front overhang, even an inch would make a considerable difference) and, if so, how would this affect handling?

3. Is there any other solution to the problem?

Thanks.

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
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post #8 of 15 Old 04-29-2013, 03:02 AM
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Quote:
Originally Posted by Bluebottle View Post
1. What damage am I actually doing when I scrape the underside of my car other than cosmetic damage to the underside (which I don't get to see, so it doesn't bother me that much)?

2. Is it possible to raise the ride height at the front only (given the length of the front overhang, even an inch would make a considerable difference) and, if so, how would this affect handling?

3. Is there any other solution to the problem?

Thanks.
John, FWIW:

1. The damage to the underside will eventually wear through the undercover, and probably cause it to droop. If an edge droops enough, it may catch on the next speed bump and really do some damage. I wouldn't underestimate this. Plus, as Brian pointed out, Ferrari used questionable judgment in routing the A/C lines under the frame rails, so after the undercover, they're the next lowest thing under the car. Hit a couple of good speed bumps or scrape down your steep driveway a few times and your A/C might quit working, and it'll be an expensive repair.

2. While most prefer the stance of the 550 hunkered down, without a lot of space between the tires and fenders, there's probably 20mm or so of height adjustment before the front end geometry goes wonky. This 20mm might be enough for you.

3. New tires? Don't laugh; I replaced the tires on my car and noticed I didn't need to use the hydraulic lift anymore to get in/out of my driveway. Same profile as before, but they had the full 10/32 of tread depth, which gave me nearly 5/8" more clearance.

'99 550, Rosso Corsa / Nero, S/N:114654, Assy: 31836, Engine: 52084

High mileage, low compression, and missing on a few cylinders.....just like my cars.

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post #9 of 15 Old 04-29-2013, 11:01 AM
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Thanks for that, John. Very helpful indeed: I now know what I am risking and how to reduce the risk. In view of what you said under item 3, it seems that only a small amount of movement under item 2 should be very helpful.

So, supplementary question, please: what is involved in adjusting the ride height at the front?

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
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post #10 of 15 Old 04-29-2013, 12:57 PM
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John, we have adjustable coilover shocks/springs on these cars, and the ride height is adjustable by increasing or decreasing the preload on the springs via the lower spring perches which are threaded.

Your best bet would be to take the car to a trusted suspension shop, or better yet, a race preparation shop and have the ride height adjusted, then have the car corner weighted.

'99 550, Rosso Corsa / Nero, S/N:114654, Assy: 31836, Engine: 52084

High mileage, low compression, and missing on a few cylinders.....just like my cars.

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post #11 of 15 Old 04-29-2013, 01:41 PM
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Thanks John. I'll speak to Carrs (my local Ferrari garage) about it.

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
Website: http://bluebottleonline.com/
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post #12 of 15 Old 04-29-2013, 08:17 PM
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John- Best to try and maintain stock rake if you do raise her. Equal front and rear and not too much. First thing to do would be to check and see if she is at stock ride height. The 550 WSM actually quotes both a ride height from the flanblocks and one for shock absorber length top to bottom. ferraridatabase.com if you do not already have a WSM. The suspension usually settles, so just adjusting back to stock ride height may cure the problem with no adverse affects on handling.

Taz
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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #13 of 15 Old 04-30-2013, 01:37 AM
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Thanks for that, Terry. Good idea.

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
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post #14 of 15 Old 04-30-2013, 12:20 PM
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Hello guys,
with my 550 i never been problem of asphalt grinding with lower part of front bumper, but with my actual HGTC Is as big problem, I grinding every where, not a big grindings, but i listen the grinding noise ....
On a WM I saw that the set up of HGTC is 20 mm lower at front and 15 at rear in comparison to 575 normal, I think that is the reason of grinding ...
The only solution is to be very careful, do not know how to do owner's of Scuderia ....
Would be nice to put some of plate wear as F1 cars ...

Fabio

PRESENT: 575 F1 HGTC ROSSO CORSA 2004' - MB CLS 350 CGI 2007'
PAST: 550 ROSSO CORSA 1998' - MB CLK 240 2002'
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post #15 of 15 Old 05-20-2013, 08:44 AM
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Well, I took it into Carrs and they put it on the ramp and the reason it is scraping at the front became obvious very quickly: the undertray is damaged in various places and is sagging an inch or two in the middle!


So:
  1. New undertray required. Mucho spondulis, I fear!
  2. Not so concerned as I was about the scraping, as it has an inch or two of slack to go before there is any question of anything, e.g. a/c pipes, being squished, so I have time to save up!

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
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