2wd St Testing.

Deric365 · Sep 27, 2022

Soo I don't know if I mentioned the St is a 2wd version. And let me tell ya'll after testing and getting the numbers, I regret not spending the extra $8k+ lol.

Tried a few brake torque launch, on 87 octane
1/4 mile - 14.04@ 100.0
0-60mph - 5.79s

Deric365 · Sep 27, 2022

So then went and got a tune from a local tuner, on 93 octane. He did ask how aggressive I wanted it, since he knows it's my wife's daily. He kept it mild.
Now on the tune I can't brake launch because tires get loose.

Before the tune, it wouldn't spin the tires with traction control off, couldn't even do a burnout.
I tried over and over to disable stability trac, and it would not go into the 5 sec timer, no matter what I tried.

I'm out of town for work, and won't be back until maybe 2 months. But I would like to stack up some parts to install when I get back. Was thinking maybe coilovers would help it launch on a bit more torque

twin001 · Sep 28, 2022

what is your tire pressure? Stock A/S tires are definitely not helping you out either.

Deric365 · Sep 28, 2022

I didn't do no changes, guessing it's 35psi from dealer.

CareerFiremanGuy · Sep 28, 2022

You can locate tire pressures via scrolling through your steering wheel button on the right.

Both my ST's read over 40 psi from the factory, which is way too high.

I think that's because it's the ST's "transport" setting for the tires, but dealers never check it when delivering to the customer.

Deric365 · Sep 28, 2022

Yeah I've seen the tire pressure, I just don't recall what it was at, I'll try lowering the pressure seeing how much it helps.

Rocketw19 · Sep 28, 2022

Deric365 said:

So then went and got a tune from a local tuner, on 93 octane. He did ask how aggressive I wanted it, since he knows it's my wife's daily. He kept it mild.
Now on the tune I can't brake launch because tires get loose.

Before the tune, it wouldn't spin the tires with traction control off, couldn't even do a burnout.
I tried over and over to disable stability trac, and it would not go into the 5 sec timer, no matter what I tried.

I'm out of town for work, and won't be back until maybe 2 months. But I would like to stack up some parts to install when I get back. Was thinking maybe coilovers would help it launch on a bit more torque

your first test was on 87 octane and ran 14.04 second test was tuned and 93 octane 13.73 I wonder what that tune would do on 87 octane also?

Deric365 · Sep 29, 2022

Well what I'm wondering is why it was launching slow when it wasn't tuned? It wouldn't even be close to spinning the tires. Brake torque launch i was only able to get 2300rpm at most. Wouldn't go higher.

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2wd St Testing.

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