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alan (not verified)    September 20, 2020 - 11:46AM

I'm a 3 peddle guy. All the performance cars I own have a clutch.. I bought a '16 M6 new hellcat. Just to preface, I've driven sticks since 16 and now am 66. The car is not a daily driver and gets around 3,000 miles during summer driving in northern Illinois. At 3,000 miles the trans broke and dodge replaced the trans, flywheel and clutch at no charge (they were instructed by HQ to not open it and send everything back, no one ever told me what failed). At 7,000 miles it started grinding 2nd on downshift and then upshift. I stopped in and spoke with Tremic and they indicated the TR6060 can handle 650 #ft of torque, which is what the stock hellcat provides. I did some research and found out it's a common problem and that GT500s and ZL1s have a similar issue and the 2nd gear syncro/blocker needs to be replaced with carbon fiber. I've always enjoyed the performance and when power shifting, the right foot stays on the floor, as it should when you bang gears. I still like the hellcat a lot and currently it is mostly stock due to needing the warranty if/when the trans goes again. Currently have MT 305 DR, no cat converters, aluminum 1 piece driveshaft. I'd like to mod with pulleys, injectors & tune after warranty expires and will consider upgrading the M6. The issue I'm having is trying to launch it without bogging. It's not been on the strip, but even on the street it bogs when dumping the clutch in Track mode. I'm feeling this is a .3 sec loss or more until it recovers with not good 60 ft times. I've played with launch control and doesn't seem to change much. There must be something in the CPU that's crating the bog. If anyone knows a fix, I'd appreciate a heads up.

Thanks. . .

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