Yes a lot of the Demons would hiccup on the shifts. But it's more of a rev limit anticipation because it's spinning. So it will vary with track prep and tires. In January at Houston I heard a lot of Demons hiccup on the shifts. I watched car after car do it. But many were running the nittos. I have also heard some go down the track without hiccups and Chirp, Chirp, Chirp, and even chirp going into 5th. Absolutely the Demon has a different program. All the media releases described the differences. They slowed the shifts down from 90 milliseconds to 140 and they delayed converter lockup, they shift harder and so on. The Demon seemed to have more or maybe more refined adaptives. So it seems a lot would hiccup and then eventually they would fine tune the shifts and stop doing it. It can be confusing because down track prep can greatly affect this. There have been times the car was screwing up big time and the next week it was perfect. That confirms track prep is the issue. I was having a really hard time in January at Extreme Raceway Park and I was certain there was something wrong with the car. It took a whole night of frustration to finally figure out it was track prep. I finally had a run later that night where they prepped the track right in front of me and then let me run a single. I think Demonology set that up for me maybe. Well, the car laid down a 6.16 on that pass. Problem solved. The next week at Houston I ran the 9.55 and that was a smooth uneventful pass. You almost would not know it. The week before I ran 143 twice at Dallas / Ennis. But when I got to Legions / Houston the Da was really good and the car started hiccuping again on almost every pass. I fought it all weekend and it never made a good pass in the low DA . I was pissed because those Guys beat my time and the car was not working right. And I know the prep was on point and the conditions were better than when I ran the 9.55. I had access the the very best track conditions. Period. What I believe was happening was I had the Hoosiers and Win Lites on the car. The Hoosiers were considerably lighter and they were shorter @ 28". Then in the -1200 to -1400 DA the car started anticipating an overrev on every run. That new setup combined with the exceptional DA was too much. I finally did a Capactive Discharge on the last Day, Monday at Lunch time. That started the car out fresh and then it could learn that new setup without any previous learned data. Then between 1:30 and 3:30 with -500 DA and the track prep going away (they refused to prep the track any more) I made 8 passes. It only hiccuped once and that was appropriate with the track conditions. So, 1 hiccup in 8 runs after having done it on every run that morning. It put up a 9.59, 9.60, 9.65, 9.63, 9.63, 9.62, 9.65 . During those runs it actually spun on 2 runs when it locked the converter but no hiccup. That morning in -1200 to -1400 DA the best it ran was a 9.68. So dissappointing.
My Redeye is not spinning. Track prep and tires were on point. So it's torque management or the fact that I took some weight out combined with a strong motor causing an overrev anticipation. But my car is not that light. And it came from Dodge with a rear seat delete. Plus it hiccupped the same every time. I would think at least a couple of the 9 runs I made last time out would be clean if it was track prep. It does have quite a bit taller tires that would mitigate an overrev anticipation some. I cannot stress this enough. This car has a Demon motor but shifts like a Hellcat. I really think they screwed this up or maybe they went all Ricky Bobby on the Torque management to save warranty claims. My Hellcat did not do this, and for the most part my Demon did not do this. The Demon had 674 runs on it and I bet 90% of them were perfect if not amazing. And the times that it did hiccup were valid and I know why it was doing it. I bet this RedEye will do this on every run from now on.
I also will point out that the RedEyes doing this on the street is most likely overrev anticipation due to traction loss. I consider that somewhat normal and that does not concern me. But I have to wonder with
@DGatzby road racing if the tires eventually warm up enough to grip. Not sure if his car should or should not be doing this road racing. If it shifted hard with no hiccup @ WOT I wonder if it would just jump into stability control intervention. I have had older automatic cars that would shift hard and they would drift like a MoFo when shifting at WOT when turning. Ask me how I know
I did specifically tell that FCA Rep that they should just load the Demon Transmission Calibration in my car and be done with it. It would Frikkin Haul Ass.
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