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12/29/12 9:45am - Original Message: '18' Wheels / Tires Question...'
SteveC
Former Member
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, - Canada

Vette(s):
1969 427/390 Sport Coupe *Stored since 1984*

Joined: 12/2/2012
Posts: 29
I would like to install 18" American Racing Wheels on my 1969 BB Sports Coupe.
Does anyone know of the following configuration being used on a similar car:
Front: 18"x8" 0 Offset 4.5"BS P245/40/ZR18
Rear:  18"x9" 0 Offset 5.0"BS P275/35ZR18
I assume it will be the width that is the limiting factor as the diameter is not much different than what is there now. Suspect there may be issues with interference with the trailing arms?
Thanks for comments.


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1/4/13 11:40am - Reply: 'Re: 18' Wheels / Tires Question...'
JMB Gold Member
Gold Member
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Cohasset, MA - USA

Vette(s):
1968 Black Prime Coupe, 427 custom built, 4 speed (M20), 3:36 rear end, Recaro seats, Intro wheels, Nitto tires, and Flowmasters. Restoration awaiting painting.

Joined: 1/5/2004
Posts: 36
I have Intro Pentia billet wheels in my '68. The tires are Nitto NT 555. Upfront I have 245x40x18 (Wheels are 18x8). In the rear I have 275x40x18 (Wheels are 18x9). I have had this settup for over 7 years now and never had any clearance issues. Since the wheels are billet wheels, they are the equivalent of 18x9 in front and 18x10 in the rear. As far as the backspacing, I believe it is 4.5". The wheels were manufactured to fit my car. I hope this helps.

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 Forums -> C3 Handling Components
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