I mount/balance all my own tires, and there's a pretty direct correlation to amount of lube used and amount the tire will slip. The RS and RZ are both somewhat stiff tires so if the shop had trouble mounting them they may have used more lube. Nothing bad, and not much you can do about it other than watch for vibrations, then get a rebalance. You can ask the shop to break the bead and clean any goop in there, but no guarantee it'll solve it.
What power mods do you have and estimated (or dyno) numbers for torque/HP? Just curious MT owner here
Lapping, prefer endurance and slight wet performance over maximum grip, not setting any records
Interesting to read this. I had the same experience on all my track days except for one. One look at the Lap Times thread and you can tell. All of my laps, except for those in Las Vegas, were down from what they should have been. I couldn't figure out WTF was going on, but the car would NOT pull out of corners and was way down on MPH on the longer straights. I was sorely disappointed.
Going to depend on track(s), driver, power.
If you want no potential of power pull, intake manifold. However, all stock, you should be good for a bunch of laps.
