225 is doable but not ideal for the front of a 1st gen. It all depends on what you end goal for the car is. You can run up to a 245 width upfront. If I was building you a set, the front tire size would be a 245/40/18 with a total tire height of ~25.7". A 255/30/18 is WAY to short for the front of your car. It is a 24" tall tire and will look way out of place.
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Justin Butler
69 Camaro, 68 Camaro, 05 GTO.
Last edited by JustinB; 02-18-2011 at 11:39 AM.
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