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The best exhaust I have seen so far.... https://www.explorerst.org/threads/as1-valvetronic-exhaust-build.4214/post-54756

Maybe I'm missing something, but OP- why is your car both white and red? So you're claiming this came from the factory this way?

As a former Ohio resident, I would think you could find a deserted road in corn country a lot closer to home!

Notice that his "mexican road" is located somewhere in Ohio!

A tune can't magically just take advantage of mods. For example, with better exhaust flow, you might see the same torque at a slightly lower RPM because of less backpressure. Or, you might see more consistency with an intercooler since it's not pulling timing or boost, but that's about it...

Is it possible your ZFG tune has something do to with your ability to hit 10th in Sport Mode?

I do technical posts (for the most part), and looking at my earlier post, it probably came across as more caustic than it needed to be. So, I'll try to be nicer as I put out information! With that in mind, a turbocharger does NOT increase engine efficiency per se. For the content of this...

I don't know where those part numbers are from, but I think they are misprints. Because here are pics of ST turbos. Notice the difference in the compressor housings, the placement of the wastegates, etc. Also, if you zoom in you'll see that the one compressor housing is numbered 5487 while...

Are you sure that's true? It doesn't seem likely given the pics I've seen which show different compressor castings.

And you base this on what theory? Really, I'm not trying to single you out, but you have no idea what you're talking about. When ascending a hill, the load increases. As load increases, so does the exhaust cycle pressure- that increase in pressure causes an increase in turbine speed. To...

This is what you wrote. It's nonsense. Ummm, yes, but what does that have to do with gas mileage?

This is so sad....and it's because of the incentive/disincentive of warranty claims vs dealership profit. The 2.7 nanos (on which the 3.0 is based) had some problems with valve spring retainers. IMHO, most of these "start-up" oiling problems with the ST are with turbo seals, but due to he 2.7...

I don't know where you heard this (or why you'd post it) because it is absolutely not true as it pertains to MPG. In fact, it's so misinformed that it almost pains me to have to chime in on this! Gas mileage is directly related to BSFC- brake specfic fuel consumption- which is the amount fuel...

Why?

Let's see: this design decreases the exhaust velocity by at least half. Increases in volume decrease velocity and increase pressure. It probably triples the surface area which lowers the heat retention...also decreasing the velocity. So it's a no-go from a performance perspective. But, it looks...

Ford sold somewhere around 40k STs since '20. There are 5600 members on this site, many of who don't even own an ST, probably 3K who have maybe posted here a couple of times and aren't even slightly active. And still, CFG (you know who I'm talking about) still thinks his polls are...

My previous ride was a 2012 Jaguar XF supercharged. The GPS system wasn't laggy, it was glacial- as in unusable. Each part of an address accessed its hard drive to try to predict your input. Say you want 1143 Joe Blow ave. Type the first "1", and after a 5 second pause while it accessed its...

If you're really concerned about winter driving, it's simple. Buy some good snow tires. They make more difference than anything else you can do. Depending on your budget, ideally pick up a set of cheap wheels and mount the snows on them to save your good (summer) wheels and tires. Selecting...

If this were a manual transmission car, everyone would immediately diagnose it as power-related clutch slip. I am not an expert on the 10R series transmissions, but based on my own observation on how good they are in Eco and Normal modes of off acceleration coasting- they must have engineered...

I'd have to second that opinion @EBjunkie. This is my first Ford and I bought it only because due to kids, I needed to move away from a sports car to something with more room. At the same time, I didn't want to give up a lot in the way of performance (acceleration, braking, MPG). After...