[V8] V8 90' wheels

[Tony and Lillie]

----- Original Message ----- 
From: <BBlake1055 at aol.com>
To: <v8 at audifans.com>
Sent: Saturday, September 18, 2004 4:52 PM
Subject: [V8] V8 90' wheels


> Does anybody have any BTDT on putting 20" wheels on 90' V8.
>
> I know the car will probably run like "Sh*t" but it's my sons car and at 
> 17 years old you can't tell them anything.  He's probably going to spend 
> more for the wheels than he did the car (if he can even find them)
>
> Any help would be greatly appreciated
>
> Bob Blake
> 90' V8 (sons car now)
> 91' V8
> 92' V8
> _

Bob,

Well, let's calculate the size of tires that go onto 20's on a V8 for 
starters. Stock is 215/60/15. For 16's it is 225/50, 17's 235/40, 18's 
245/30 or maybe 235/35. For 19's then it is 245/25, and 20's 255/15 or 
245/20. Now, for starters, try finding that size. If you go larger, as is 
the practice on the Caprices around here, you have to lift the car, or live 
with constant rubbing (not inconsiderable with the price of 20" tires). 
These sizes are general, however. The general rule of thumb is up 10 for 
width, down 10 for aspect ratio, up one for rim diameter. If you want more 
exact sizes, you will have to calculate them. Take the width(215), multiply 
by aspect ratio(.60), then subtract the diameter(254mm for each inch 
larger).
And, no, I don't think anyone has put 20's on one before. I have only seen 
up to 17's personally. Someone may have fit 18's on one, but 20's are a heck 
of a stretch.
The bolt pattern is 5 X 112 if he needs that, and Good luck. I remember 17, 
and yea, you couldn't convince me with logic then either.

Tony Hoffman