Underside pic

I know this sounds crazy, but does anyone have a picture of the underside of the rear of a 355? Preferably a 5.2. Thanks in advance.

 

Like this?
Image Unavailable, Please Login

 

I have the same pic with each undertray identified. Are you looking for one of the panels?

 

No, I'm leaking oil somewhere and I was hoping if there was a picture, I could point out, which gasket (I think) is leaking.

 

Is the leak toward the front, or the back?

 

The back. Under the engine bay.

 

When you say the back, are you talking about the back of the car? Or the rear of the engine. If its the front of the engine and the oil is dripping onto the tray. Cam or even crank seals can piss oil onto the rear section of a 355 under trays. Is there an oil puddle under the tray after its been parked? Or oil spray on the rear bumper face? If you remove the rear section of the tray you will see the bottom crank section. If this is coated with fresh oil then it could well be the seals.

 

sorry to hear about the leak, cavallorosso. I'm sure you'll sort it out. thanks again for the ch grille!

 

Would you be able to take a picture of the general area?

 

X, when are you going to post dyno results?

 

I just moved to another appartment. Been busy. As soon as i am unpacked i guess. The dyno is right down the street.

 

will do tomorrow. thanks.

 

You ask for help, i try to help you by asking a simple question and you dont respond. No doubt you will post a picture and still ask for help????

 

sorry man, don't take it personally. I've been very busy at work and haven't been able to get online very much. It's hard for me to tell you where the leak is with words as I don't know all the proper terms. It's towards the back of the engine. As soon as I get a chance to take a picture, it'll make it clear to all of you that know what you're talking about. I just need to get home early enough so it's still light out, which means I might have to wait till saturday. Thanks though for trying to help. I truly appreciate it.

 

Hi Daniel,

Do you have a similar pic for the 348?

Just curious to see where the difference for the ground effects are.

If you read the marketing brochure, it's as if they've stuck a 747-wing (upside down of course) 'neath the F355 for the ground effect that the 348 lacks. But the F355 outlets appear puny compared to the 360 and subsequent F430 so I wonder how significant are they anyway, beyond the marketing babble.

 

So as it turns out, it's not the engine oil that's leaking at all, it's the gearbox oil. One of the gaskets under the gearbox is bad. Daniel, I looked at your website and can't figure out which one to order. Can you help please? By the way, taking off the dipstick screw for the gearbox oil was a BEAR!!!! Did anyone else have that problem? I ripped skin off both hands doing it

 

Good to see you got that figured out. Dan will make sure you get the right parts.

 

I think this is what you're looking for.

55: Central Lower Cover (non-F1) : 142218
55: Central Lower Cover (F1) : 169142
56: Gasket for either 142218 or 169142 : 177720

58: Lil' wee nuts for coverplate: 10725914

60: Lateral lower cover: 154679
61: Gasket for 154679: 177719
Image Unavailable, Please Login

 

Daniel, very helpful as always. PM sent. Thanks in advance.

 

I too think they are a tad small compared to the 360/430/enzo, though I am sure they do something.....like maybe 10 or 20 lbs... of downforce.......??

 

Model = lbs = kg @ 180mph approx.
F355 = 220 = 100
360S = 374 = 170
360M = 397 = 180
F430 = 550 = 252 (360 + 40%)
F430 = 573 = 260
CS__ = 592 = 270
F50_ = 683 = 310
Enzo = 1710 = 775

 

Just for comparison, and reality, here are the downforce figures of those cars at 90mph. A common road and track speed.

Model - lbs of Downforce @ 90mph

F355 = 55
360S = 93.5
360M = 99.25
F430 = 137.5
F430 = 143.25
CS__ = 148
F50_ = 170.75
Enzo = 427.5
Interesting comparisons:
Nissan NPT-93 = 2,041.25
Carrera GT = 123.25
VW Beetle = 370 lbs of lift!

IMO, car companies should concentrate on more downforce at more common speeds. A measly 55lbs of downforce for the F355 at highway speed is at least better than lift. But on the track, where these cars are intended to be used, 50-150mph are achieved and greater downforce would be beneficial.

 

Great information there guys!! Does anyone have numbers on the 348?