SP Engineering and Greddy USA has been testing and pushing the limits on the VR38DETT platform since it's debut. Using our very own GTR, our road to a full weight street driven 8 seconds has been a challenge.
Testing various motor combinations we have achieved an estimated 1200+ AWHP and 1050+ TQ. There is definitely more power our GODZILLA package can produce, but we may have found a few limitations to the V6 aluminum block which we are currently looking into.
We rented a private track for test and tune at the Las Vegas Motor Speedway on May 7, 2011 and brought out 2 GTR's (Greddy/SPE). A total of 4 consecutive runs were done and have managed to achieve 9.2, 9.3, and 9.4 QTR mile times with trap speeds of 160 MPH. Our VBOX has managed to log 60-130 MPH times of 3.6 - 3.9.
In cabin video of our SPE GTR......
This has ended our test and tune session in Las Vegas Motor Speedway and will return shortly.
After weeks of investigation, we have confirmed the initial reasoning of this was due to a hair line crack located on the aluminum block from the torque we have produced on our Godzilla package. Boost pressure around 33psi towards the end of the track has caused coolant/water to spray out from the block.
SPE and Greddy USA will have more updated information shortly as we have more developments on the VR38DETT platform. I assure you this is not the end of our journey.
Eugene @ SP Engineering
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SP Engineering/GReddy - *Godzilla Package Testing* - Road to 8 Second QTR Mile Update: Las Vegas Speedway Video
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