Quote Originally Posted by Ferruccio View Post
Hi!

People have been using a 20/21 set up on the H, I have not heard any probs yet. I have done a few sets of after market on my LP560 and also my H.

First re: the AWD, I had a long talk with the Lambo factory rep in charge of all service in the US. He said it is VERY important to maintain rolling ratios between front and rear as it could affect the hyrdo viscous clutch\coupling. Google that if you want to learn more but its pretty much the mechanism that balances power between front and rear. While I did not have any probs when I went out side stock sizes, it is definitely something we need to be more aware of when putting wheels on an AWD car.

Re: looks, the 21" rear does provide for a thinner side wall tire, and it looks good, but so does a little bit more meat on the 20 IMO. It also protects your wheel a bit more going with more sidewall in a 20.

Now for your biggest concern, tracking. I once put 20" extra wide 3 piece on my LP560, I addedd 2.4lbs per front corner and 5lbs on the rear. This small weight was SO noticeable it was then I realized how important unsprung weight meant. I replaced the wheels with 19" super light monoblocks soon after and wow the car drove MUCH better, even passengers could feel the diff. The Lambo rep also sated the OEM 20" on the H is a special 20 and best to keep them for performance; could have been a pitch to stay buying their model.

I could keep going but all in all, Id say 20" OEM sizes front and rear, lighter wheel with proper offset. This looks as good as the 21 rear IMO, will perform THE BEST, wont mess with the cars mechanics, you save $$ on tires, smaller wheels AND sensors (i was quoted $1400 for the set) unless of course you rip apart the the wheels and pull the sensors. Keep in mind there was recently a huge shortage of 21" tires and they command a premium.

MY H on OEM 20's all around:

Hi Man,
thanks for the reply,
wow you made me 20 20 gang.!


couple of questions, so you use the OEM tires?
the width of the wheels are the things that I am worried, like if we go after market but finding the wheels tucked in will not look so good for me....

I have been really considering 20 and 20 for a while, but afraid it will look bad..
you prove me wrong sir.