Why I installed a low temp thermostat.

[pothole]

Sorry, how was my hypothesis flawed. I clearly stated that the low temp car would start off from a lower position temperature wise.

In fact, nothing you said contradicats my point, which is that the low temp will reduce 'steady state' temps when driving, which is when you don't need to lower the temps, but not reduce temps when stuck in traffic.

At best, we disagree on how long it would take the low-temp stat car to catch up with the standard stat car when stuff in traffic.

In hot weather (which is again, when you are really looking for help with the temps), you are going to be putting on temp very fast with the car stationary or near stationary in traffic.

I would put my house on the low-temp stat car catching up within 10 mins max. From then on, you'll be in the same situation with both cars cycling fans and running at the same coolant and oil temps.

So if you got stuck in traffic for a n hour or two, the low temp stat car is going to have you running at high temp for fractionally less time. I can't see this is much advantage.