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Originally Posted by Rod P
I don't know who gave you bad advice? but here's what you get with a tru turn, and a 10inch rim running 275 tires, BETTER turn in, NO bump steer, QUICKER reaction to inputs, IMPROVED camber change, these companies spend a lot of money figuring this **** out man, they don't just throw crap in a box and sell it
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Not to be critical, because I love your car, but fitting big tires isn't just a matter of taking "bad advice"
Bret above:
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IF you use stock height subframe bushings and/or put the 275 tire on a 18x9.5 wheel with a 5.5 backspace, no mods are needed to anything
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You in this thread:
http://www.pro-touring.com/threads/9...light=tru+turn
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I use 5.5" backspace on a 17x9.5 rim
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You have the same picture of your car in the other thread, so which do you use 9.5" or 10" ? Lay a tape on it and take a picture so we are all sure.
The ridetech 48hr camaro does have substantially cut inner and outer fenders/fenderwells. Not enough to look abnormal, but you sure couldn't do it to a painted car, and of course the factory trim won't fit either. The bottom line is that the clearances are too close to make blanket generalizations unless you err on the conservative side. Also, some people have different definitions of what rubbing is, I believe it means taking the spring out and cycling the wheels side to side with the suspension
BOTTOMED OUT. Some think if the tires only hit in extreme maneuvers all is fine, and that is ok, as long as everyone understands the situation. An extremely important factor is the camber that is aligned in. An autocross car that goes through a couple of sets of tires a season, isn't worried about -1.5 degrees or more negative camber, whereas a 100% street car isn't going to run near as much, and that extra camber from tilting the top of the tire in helps tremendously in letting the tire and the top of the fender get along.
As far as I know, there is no one who has tested and published all the variables vs what tire fits. Camber / tire size / wheel offset / ride height /17s & 18's / brake packages / steering & idler arms / headers / etc, etc. If ridetech sent me a truturn, and BFG sent me some Rivals, and Forgeline sent me some wheels in 1/8" different offsets, I would take a stab at it, but we know the likelihood of that is zero.
A search of tru-turn topics just makes things worse, because most responses don't offer enough details of a particular combo to draw concrete conclusions.