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Have you ever tracked the car at an HPDE event? Do you intend to do it again now that you have a Whipple installed? I am curious about whether the Whipple is as negative for the road course as others are claiming (although their posts do not indicate that they have tried it).

Why? For the strut towers, I would think that an inflexible and rigid structure would be desirable, but I am not an engineer. If space and cost were not an issue, a tubular bar, like a sway bar, mounted rigidly to the strut towers would be best.

The Stingray C8 is only 3366 pounds. Z51 and Z06 are 3600 plus. The Mustang is more than 3,800. Make the Corvette driver bring along his My 600 Pound Life passenger, and the drag race might turn out differently.

So one could look at that dyno graph and say, Oh, no! The torque is dropping off after 10,000 rpm, but the reality is that the Formula 1 engine will be pulling hard up to 18,000 rpm.

I realized I may have left the false impression that torque always decreases after 5252 rpm. This is not true. For factory engines, however, the peak torque is almost always below that rpm, around 4000 or so. The Coyote engine is an outlier in having a torque peak that is at 4,900 rpm, higher...

This is just a function of how engines work. Torque is being measured, and horsepower is a function of math. This is why you always see the torque and horsepower figures cross at the exact same point, 5,252 rpm. This means torque is always going to be lower than horsepower after that rpm. It...

No, power should not be dropping off at 6,000 rpm on your car, not even slightly. Why do you say it is dropping off? Do you have a dyno graph? Is this a feeling when driving on the street? It should be pulling hard right up to red line. Shifting at 6000 rpm or below should result in less...

I found myself needing to turn it down . . . hmmm . . . Maybe I should wait a little longer.

I need it on "blast" on a hot summer afternoon when starting out until the car's cabin cools off, then I turn the fan down lower.

I do not have enough experience to be consistent on the track yet.

Have any really good drivers with consistent lap times tried Steeda stuff and compared to the original handling package Dark Horse?

I bought a 24 with HP for a better deal than most of the 24s without, and it impressed the hell out of me on the track. Now you make me wonder how much better the car would have done for way cheaper? What modifications would you have made that would have improved things over the factory HP?

Thank you. This is very useful information.

I have read differently online from others talking to competent tuners and posting what they were told. I have no firsthand knowledge myself. But from post #47's link: I will keep looking into this.

Don't know how reliable this is, but I thought I would put it here for consideration

https://www.americanmuscle.com/mustang-faq-oxygen-sensors.html

The O2 sensor sends a signal to the computer that it uses to determine how much fuel to put into the cylinders . . . or do I seriously misunderstand how the engine works? How does running this part affect the air fuel ratio determination?

Anybody running these on the S650?

Put the Trofeo RS tires on it, and with the lighter weight, that thing ought to stop in 10 feet.

Thanks - Google gave me the S550 15 inch spec . . . :frown: