348 348/355/360 wheel offset

Not sure the offset did not do front math yet but the tire looks right probably 225. I like the 215 front and 295 rear both are .1 larger than oem so zero changes to suspension.

You will want to avoid this with machining. Search for a thread called 360 wheels on a 348 I think it was. Read it closely.

https://www.ferrarichat.com/forum/index.php?threads/331477/
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My 348 front did that but I had 11mm spacers I was going to take off 2mm assuming it was that...

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What width are the rims? 10.5" and 8.5"? How is it with all the rubber? I figured one would notice the unsprung weight compared to the svelt 348 setup.
Because I REALLY like the 550 wheels on the 348, is why I ask, they too have wide azz rubber.

 

Put in 10.5 for the wheel width, its the rim width as the top dimension not overall. ET is the distance from center of the rim to the back plate flange face.

The 550 wheels actually need 21mm removed making ET 53 to be the same as the 355. I have seen 550 wheels on a 348 and the track was similar to yours I bet it was about 55-60 ET, taking off 21mm from 550 wheels is a tall order but 10-15mm sure. Your stance is a bit wider still from the pics, hard to tell but it appears so, I bet your closer to high 50's.

 

Ok that makes more sense given other 10.5's I have seen. Keen wheels Wade I bet they are light and rigid!

You need to overall width to measure suspension coil clearance against tires etc but that that's not wheel ET which is German for insert depth or something akin to that.

 

360 and 430 FRONT wheels will have 6.5mm wider stance than 348/355 front rims with 11mm spacers installed. So they will fill the fronts better and I think look better. Given that stock wheels can eat the fenders I bet this does no favors. My stock 348 with 11mm spacers catches the inner fender sheet metal and you can't really roll them the liner sits right there. I mean you can but you have to force it. I would machine off 7 mm from the fronts.

At that point it makes more sens to just but wheels from bcforged in the correct offset in whatever concave and color you wish like these HRE P47 variants.
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19" HRE P47's in 18's and silver poweder coat they would be perfect I'll wager.
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Lools good. Some love that look no doubt. Some don't. It's all personal preference and that's that.

But if someone wants 360 wheels to sit like 355''s (like I do) macine info ranges are at top of post.

Post side view ! You changing ride height all around basically resetting suspension? Your rear tire will be smaller than your front with 275 and 225s as I'm sure you figured out.

I wish I could lower but I scrape all over the damn place in NJ. I miss Arizona roads can slam a car there. Not here, oohhh noooo.


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That's right but 18" and better looking than 430 IMHO. The double spoke deal looks good with the cheese graters perhaps better than the 360 startfish. A 295/35 x 19 tire is like an inch taller. Better not turn the front wheels while compressing suspension or corner real hard it will eat the fenders. Looks good but practicality not so sure then you have the whole resetting spring heights chasis setup and alignments.

 

I like how the one guy at the end says with the 19's he's a little taller than stock. His rear tire is over 2" taller, one would need to lower the car 1" then reset suspension. He is right about the 360 tire size selection imho.

That post has some good info for sure but it is not 20mm milled off although one could. Picking our the correct bits takes effort as there is conflicting statements.

For the most part the post says they fit no issues and also you need to machine them. Thing is some people like the wheel offset sticking out of the fenders look and if so, bolt on up no doubt you'll get what you like. Some don't even realize it I'm sure. The trick is understanding what does "fit" mean. Doesn't rub therefore it fits! I don't think fit and what one likes are the same thing... Its actual math if your using oem 348 or 355 as the measure. 15-17mm off rears. Beyond that it's what you prefer and thats all well and good but there is a distinction is all I am saying.

Go for the look you want there is preference to consider here but go in armed with correct information, this topic in general forum wide is riddled with inaccuracies that causes confusion, same with 430 wheels. Spun me out for months too.



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