Went for some DYNO time today and could not get the GP to stay in one gear. I did all the proper set up (Roller Test Mode / DSC Off) but the GP3 would not stay in the proper gear regardless of whether is was in Normal, Sport or Manual shifting modes. As soon as it hit 3,000 RPM it would go the next higher gear. Even if you attempted to hold it in 4th gear it would reflect it was in 4th gear but continue to upshift. What am I doing wrong?

 

Resolved the DYNO set up issue May of 2022. Here's the results.

 

What did you do to resolve the transmission not staying in gear?

Nice numbers. Are they close to factory or better than factory?

 

Turns out I needed to hit the odometer reset button one more time to get it into roller test mode. These numbers are way better than stock. Running an Eventuri intake, AIRTEK intercooler and the NM Engineering power module set on low. I will never set it to high. With 340 WHP I redefined one season tires. I only get one season from a set of tires.

 

Probably better than what you see.
The Mustang Dyno is called the heartbreaker, as it always reads lower than others!!!

 

I can believe the tire life. My 2018 JCW (with a 6-speed) in sport mode was a real tire spinner. Yeah, I know the engine only does what it is told but man that sport mode unleashed the beast in the engine. At the same time I owned the JCW I had a 2018 Hellcat with a 6.2l 707hp engine. The JCW had a 2.0l engine with 228hp. If the 2.0l engine was scaled up to 6.2l and the HP scaled up linearly it would have put out 706hp. I called the (Rebel Green) JCW the little green beast.