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Today’s goat rodeo news… https://jalopnik.com/gm-paying-dealers-thousands-to-pick-up-inventory-1850825254

I’ve added probably a quart of oil in total between oil changes in the 10K miles I’ve driven my 5BW. This includes around 10 track days. I definitely think your use is abnormal and would take it to the dealer.

Get your alignment checked. The car will gain toe out in the rear when the suspension compresses under acceleration. If there’s not enough toe in or the toe is uneven it can cause one rear to toe out more than the other. It could just be the road camber too.

I just did that this weekend, only I was using two sets of factory wheels, tires, and sensors. It was totally seamless, and worked far better than the C7 system. The car seemed to figure out almost immediately there were different wheels and adapt to it.

I agree and would check the TPMS nut. The torque setting is really low though, like 62 in/lb. I would just put a socket on them and tighten by hand without a ratchet.

You mean the scrapes on the underwing? Yeah, mine has those. That part is actually lower than the splitter edge so in my case it often hits even if I spare the actual splitter.

JVP covered this earlier, but it’s more about breaking in the diff than anything. It’s also more about noise from the diff if you don’t break it in properly.

It hits 150 on the main straight easy.

At VIR a 5BW will exceed 140 roughly 3x in every ~2 min lap.

Summit Point event? Great group.

I typically buy scrub slicks for track use by the pallet. It was getting to the point that paying someone to mount them was nearly as expensive as the tires. Not to mention the hassle of dropping them off and picking them up.

I just hit the V button again which throws it in to tour mode, then one up on the mode button to get back to my mode.

I'm guessing, but I bet the one that is listed as 1970 had a delivery date and then that date went away so now it's null. Their web site doesn't check for that condition and so we get the null date value. Given that they still haven't fixed the 4BW online configurator, I'm not surprised.

I ended up buying my own tire mounter from a shop that was closing down and it took me a while to learn what I was doing. However, I just mounted four new OEM tires on four new rims and these PS4S are way easier to mount than the run flats on the C7. I have no idea why it would take them 3...

I’ve driven nearly 1500 miles in the past week with that alignment on my 5BW. That’s a mix of old town streets with bricks and train tracks as well as a lot of high speed on I-81 and I-95. The car drives great!

Let me clarify something. If you are in PTM Race 1 or Race 2 there is nothing that will stop you from spinning the car. PTM will try to limit wheel spin to maximize acceleration out of a corner, but there is no yaw control. Go in to a corner too fast while braking - you spin. Hop off the...

I bought 3 and use them all on each wheel. Usually two near the top and one near the bottom. I just move the 3 from wheel to wheel as I mount/dismount them.

Yes. I have a set that I bought from the company that bought out reverse logic. I posted about them at the time, but will try to dig up the link. They work great and I won’t pull the wheels without them. I keep them in the trunk at all times. Edit: new company is steel man tools and this is...

I had a Michelin split there between the tread blocks on my CTS V2. Those were the super sports and I always wondered if it came from daily driving them during a very cold Winter.

I have a set of scales at home and my friend has both a 4BW (3859 lbs) and a 718 GT4 (3190 lbs). Both were full fuel load. The 48 lbs difference quoted above for the ATS-V to 4BW is the equivalent of 8 lbs of gas so I doubt that’s the reason, it’s more likely the better bespoke PS4S on the...