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What I do is beat the absolute dog shit out of the car from 0-1000 then change the oil and then beat the dogshit out of it again until 3k. Then beat the dogshit out of it for 2k-3k intervals until I have had my fill of beating the dogshit out of it.

You can to plenty of back to back WOT pulls once you get the cats out of the way. The whipple tunes are safe for the masses to be stupid with the car.

Only one necessary mod. Remove the cats. They will fail and could be a big problem if they plug the exhaust as they fail.

It didn’t sound like they changed or even added fluid but totally agreed.

They probably reset the trans adaptive learning by disconnecting the battery for a period of time.

Oh and the hard fuel cut is 7500.

It does. All my tunes take them to 7800rpm where peak airflow is for the s650 coyote. They sing up there.

This is the best answer you will get. Also for reference, Mud=track and sport/track is actually just sport for the s550/650. Drag/sand = drag. This is the WOT shift schedule from a 2026 10R80 car with 3.55 gears.

They are right. Nothing to change on these MAP based cars. On the MAF cars you might need to adjust fueling a tad if you are actually flowing more in because you are getting more out faster, but not with the s650. These cars dont care what intake or exhaust you are running. Now if you locked...

Here was my last one a 23 HC challenger. One month a part stone stock on 93 and the DRs and then tuned only on that same 93 in the tank on the same tire, same track. Then bonus run on tune only E85. Thats almost 10mph gained from stone stock to E85 tuned. Stock Tune only 93 E85 Tune only

No but I know Zdungho. And your 16 was one of the cars that has the cat recall out. The 2020 cars came from the factory with the updated PCM strategy for much higher cat over temp enrichment. So my advice if you haven’t done the recall, don’t. You’ll regret it. And Z tuned one of my...

They have their place for sure. You should drive a C8 corvette. They are so watered down on the pedal, the throttle controller is necessary to feel like you even have a sports car. And in all honesty, in the tune most tuners me included change the pedal demand to make the car have more punch...

A 6speed properly driven s650 on an E85 tune against a heat soaked COT suffering Hellcat on the highway is a drivers race. The hellcats untuned will get one run then will be fat ladies walking in sand after that. They are hobbled by the EPA cat over temp settings from hell. They go 9.0 rich...

I hear this sad tale day in and out. Then I tune them and they are out there running with stock hellcats, laughing at FBO camaros and M cars. Get a tune. Cased closed.

I dont know honestly. Im sure you can use a 26 asbuilt data for the TCM but I would be guessing. I stay away from forscan since I can do most of what I want via HP Tuners. But the odd ball stuff like changing the redline on the dash or the other stuff like changing the white driving lights to...

All these bad bitches is where the magic happens for shifting up and down smoothness.

Depends on the update. I've seen these old setting on several of the early 24's. Not since those though. These are all the differences between the early 24 and a 26. All of them have hundreds of sub folders and parameters and tables under them.

Depending on how early of a 24 you have, I found the early cars have real harsh shift modulation vs the later 24s and then the 25/26 cars are WAY better on part and heavy throttle shifting with all the newer tq modulation settings. Any time I tune one of the older 24's, I always transplant in...

Oh we learned this the hard way lol. You can enable lane centering in the adaptive cruise control menu. I too didnt think we had it like the BC cars do but we do. Only if you have adaptive cruise control though I believe. But its not in the lane keep assist menu, its in the adaptive cruise menu.

Have you checked inventory? I would be willing to bet there is one within 100 miles of you that fits what you ordered.