I did some back to back testing the last couple weekends. The 11th I made 2 passes with my old 70GTQ . It went a 9.67 @137 but it started popping at the top of high gear. I lowered the boost 2lbs and attempted another pass. It popped as soon as let go of the button. It ended up being the plug wires. I fixed that and installed the 71HPQ. and went to the track today. I turned the boost down another 2lbs but left the 2step and launch boost the same. It went a 9.70 @ 142 but I had to peddle it 3x's to bring it down. See attached photo. On that pass it snapped the frontend straight up the next pass i took some travel out of the front in and turn the launch boost down 2lbs and still had to peddle the car but this time it didn't snap the frontend so violently it was more of a gradual rise. Not to mention I was still nervous from the first pass. On the 3rd pass I took another 2lbs out of the launch boost and what I thought was another 100rpms out of the two step but I turned the wrong dial and took 1000 rpm out. The car left like a turd but still went 9.60 at 147.5 mph best mph ever. After this pass the turbo started pushing oil out the exhaust all it took was a phone call to Cal Hartline and it was taken care of. As luck would have it I loaded the car up on my friends trailer to take it to his place to get the bumper fillers painted and I told him he will have to buy some more paint now.