Not the same species of car, but I run my '02 VetteVert with non-RFTs and obviously, no spare. Just finished an 8 week, ~13,000 mile road trip with no tire problems, other than a lot of rubber worn off.

A small compressor and plug kit in trunk; never needed.
GL, mD

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Ol'UncleMotor
From the Home Base of Pro Bono Punditry
and 50 Cent Opins...

Our Mtn Scenes, Car Pics, and Road Trip Pics on Flickr:
http://www.flickr.com/photos/4527537...7627297418250/
http://www.flickr.com/photos/4527537...7627332480833/

http://www.flickr.com/photos/45275375@N00/

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