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Guardian’s 23 ST Build
- Thread starter Guardian
- Start date
OP
Thread Starter
#25
Thread Starter
#25
Unfortunately I didn’t have time. Had these performance mods done right after those runs above:
- Whipple IC
- AFE CAI
- Lighter wheels
- Corsa exhaust
No tune yet though. Apparently Ford Performance calibration doesn’t work on 2023 STs yet. They said it should be out in the next few months. My best 0-60mph so far with just those mods is 5.27. I’m disappointed that with the cooler engine plus those mods I’ve only shaved .25 seconds off that time in the exact same place with similar conditions, though it was probably more humid. Maybe she needs some time to break in with them? We’ll see.
- Whipple IC
- AFE CAI
- Lighter wheels
- Corsa exhaust
No tune yet though. Apparently Ford Performance calibration doesn’t work on 2023 STs yet. They said it should be out in the next few months. My best 0-60mph so far with just those mods is 5.27. I’m disappointed that with the cooler engine plus those mods I’ve only shaved .25 seconds off that time in the exact same place with similar conditions, though it was probably more humid. Maybe she needs some time to break in with them? We’ll see.
Unfortunately, the I/C is one of those mods that does not gain you much with out a tune. It basically allows you to run higher boost levels with out having to worry about heat soak. Since you're running the stock tune you also have stock boost levels. Get a good tune and hold on tight. With just a tune and an I/C I ran a 12.09@112.30 and a 3.75 0-60. I also had an E30 mix in the tank.
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I should mention, the ST's will run E30 from the factory. Most vehicles from around 2015 on will run E30 from the factory. You won't gain much if anything from the factory tune on E30. You will need a tune to take advantage of E30. The show engine masters did a test on various forms of intercooling and concluded that ethanol is the best intercooler you can get, that's why boosted engines like our twin turbo v-6 works so well with E30, E50, or even E85. Some tuners charge extra for an E30 tune or E30 capabilities built into the tune, ZFG does not. All of his tunes that are not E50 or E85 specific have the tune optimized to take advantage of E30. The tune will self adjust for any mix of ethanol from E0 to E30 or anywhere in between. You can get an E50 tune, but then you must run E40 to E60 all the time with that tune. The E50 is for max performance on the factory DI fuel pump and injectors as the factory pump can not supply enough fuel to go any higher in ethanol concentration. Once you upgrade the pump and injectors, you can get an E85 tune and those are for E70 and higher and you must maintain that concentration with that tune.
I run a 93 tune so I can throw a little ethanol in the tank and have some fun when I want to, then just run 93 the rest of the time. In my area the 93 has 10% ethanol and the E85 is actually E73-74 so with a 20 gallon tank I put in 6 gallons of E85 and then fill the tank with 93 and that gets me real close to E30.
I run a 93 tune so I can throw a little ethanol in the tank and have some fun when I want to, then just run 93 the rest of the time. In my area the 93 has 10% ethanol and the E85 is actually E73-74 so with a 20 gallon tank I put in 6 gallons of E85 and then fill the tank with 93 and that gets me real close to E30.
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I tried a few weeks ago to get a better run with temps in the mid 20's but I had traction issues with the factory 20's and only managed a 12.30. Tires like warmer temps for better traction, but engines like cooler temps and tend to make more power so it's a balancing act. Cool enough air to make more power for a faster run, but warm enough to not lose traction at launch.
I've embarrassed my fair share of 5.0 mustangs, SS Camaros and 392 challengers with my ST. They automatically assume that a big SUV is going to be slow as a pig. The average driver out there sees just another soccer mom SUV and they can't tell an XLT from ST, not to mention they have no clue what an ST is capable of.
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