For all of you who are curious, here's the latest on the 08 GT500 / 4R100 transmission swap:
As many of you know, the car was sent to Brian's Truck Shop in Lead Hill, AR for the transmission wiring and custom tuning. After an eight hour drive, we were really hoping to conclude the tuning today but we ran into typical issues that only let us get so far. BTS finished the installation of the PCS transmission controller and took it for a test drive. During the transmission tune, he realized that the trans cooler that had been installed by the previous shop was too small and would not flow enough fluid, causing the front pump of the transmission to fail only a couple of days ago.
Brian Thompson (BTS) removed the transmission and went through it from front to back repairing the front pump and installing the proper heavy-duty trans cooler needed. During the year that the car was down awaiting completion, BTS actually made improvements to their 4R100 transmissions enabling them to hold even more power which he then applied to my transmission while it was out. Brian not only removed the transmission, but he rebuilt and reinstalled everything in twelve hours. There's no way we could have pulled this off without that kind of dedication.
With the help of Jon Lund, we had a remote tuning session and got the car tuned on the BTS DynoJet with 22.5 PSI and 18.5 degrees of timing. The car made 723rwhp SAE and 674 ft/lbs of torque at a maximum of 6,000 rpm on VP109. Due to lack of fuel system (stock GT500 pumps, Fore fuel rails and 80lb injectors) we hit a wall and weren't able to push it any further. We wanted do a back-to-back comparison with the Shell URT fuel vs the VP109 but with the pumps at 100% duty cycle, we had to call it a day.
On a previous dyno, the car made 778/776 with 23PSI and 20 degrees of timing at 6500 rpm with the factory TR6060 transmission. This proves that with adequate fuel and the same timing, the car should make similar numbers even with an automatic transmission WITH overdrive. Through Brian's innovation and advanced knowledge of this transmission, we were able to replace the factory six-speed with a 4R100 automatic and see no real horsepower loss. This is the same transmission that has been seen in diesel drag trucks making well over 1,000rwhp and 1,500 ft/lbs of torque with unsurpassed durability and a company that stands behind their product if it does fail. Point blank - this is one bad ass tranny!
So now we need to remedy our fuel situation by installing a Kenne Bell BAP and lowering the boost to around 20 PSI and add some timing to show the full potential of the Shell URT Advanced. The power goal is 750/720 and hopefully achieve mid 9 second ET's safely. The next stop is Stang-Hi in Baton Rouge once the BAP is installed for another Lund remote tuning session to finish it up and see what this one-off setup is going to do. We'll keep everyone updated on the progress.
We couldn't be more thankful to have Brian and Patti of BTS and Jon Lund on our team. This is an awesome and HONEST group of people, which in this business honesty and integrity are hard to find.
As many of you know, the car was sent to Brian's Truck Shop in Lead Hill, AR for the transmission wiring and custom tuning. After an eight hour drive, we were really hoping to conclude the tuning today but we ran into typical issues that only let us get so far. BTS finished the installation of the PCS transmission controller and took it for a test drive. During the transmission tune, he realized that the trans cooler that had been installed by the previous shop was too small and would not flow enough fluid, causing the front pump of the transmission to fail only a couple of days ago.
Brian Thompson (BTS) removed the transmission and went through it from front to back repairing the front pump and installing the proper heavy-duty trans cooler needed. During the year that the car was down awaiting completion, BTS actually made improvements to their 4R100 transmissions enabling them to hold even more power which he then applied to my transmission while it was out. Brian not only removed the transmission, but he rebuilt and reinstalled everything in twelve hours. There's no way we could have pulled this off without that kind of dedication.
With the help of Jon Lund, we had a remote tuning session and got the car tuned on the BTS DynoJet with 22.5 PSI and 18.5 degrees of timing. The car made 723rwhp SAE and 674 ft/lbs of torque at a maximum of 6,000 rpm on VP109. Due to lack of fuel system (stock GT500 pumps, Fore fuel rails and 80lb injectors) we hit a wall and weren't able to push it any further. We wanted do a back-to-back comparison with the Shell URT fuel vs the VP109 but with the pumps at 100% duty cycle, we had to call it a day.
On a previous dyno, the car made 778/776 with 23PSI and 20 degrees of timing at 6500 rpm with the factory TR6060 transmission. This proves that with adequate fuel and the same timing, the car should make similar numbers even with an automatic transmission WITH overdrive. Through Brian's innovation and advanced knowledge of this transmission, we were able to replace the factory six-speed with a 4R100 automatic and see no real horsepower loss. This is the same transmission that has been seen in diesel drag trucks making well over 1,000rwhp and 1,500 ft/lbs of torque with unsurpassed durability and a company that stands behind their product if it does fail. Point blank - this is one bad ass tranny!
So now we need to remedy our fuel situation by installing a Kenne Bell BAP and lowering the boost to around 20 PSI and add some timing to show the full potential of the Shell URT Advanced. The power goal is 750/720 and hopefully achieve mid 9 second ET's safely. The next stop is Stang-Hi in Baton Rouge once the BAP is installed for another Lund remote tuning session to finish it up and see what this one-off setup is going to do. We'll keep everyone updated on the progress.
We couldn't be more thankful to have Brian and Patti of BTS and Jon Lund on our team. This is an awesome and HONEST group of people, which in this business honesty and integrity are hard to find.
