Nissan GT-R Transmission Failure Examined

February 22nd, 2009

Samurai Speed, the tuning shop that currently holds the current 1/4 mile drag racing record for the Nissan GT-R R35 with a 10.55 @ 128.4 MPH just opened up their transmission that was destroyed during a hard launch control launch back in December 2008. The damage appears to be isolated to first gear and the gear shaft. After looking closely at the torn apart first gear, they noticed a pattern of hairline cracks in different places on the gear. Samurai had launched their highly modified, 600+HP Nissan GT-R over 100 times, pulling some very quick 60′ times that dipped below Read More

Modified Corvette ZR1 on the dyno puts down 705HP

February 19th, 2009

A new Chevrolet Corvette ZR1 with some mild modifications put down over 705 horsepower and 689 ft-lbs of torque to the rear wheels at a shop in Miami, Florida. The car had a pulley changed on the supercharger to increase boost from the stock 10.5 psi to 18 psi. This ZR1 also has higher flowing headers and exhaust installed as well as an upgraded camshaft. Using a rough 13% driveline loss this ZR1 could be making upwards of 800HP at the flywheel. We should mention that the DynoJet dyno was reporting STD power, which is sometimes 3% higher than the Read More

Nissan GT-R still quick after neutered launch control update

February 5th, 2009

Nissan recently started rolling out a transmission control unit update to all GT-Rs in inventory to modify the car’s launch control programming in order to reduce stresses to the drivetrain. The new software affects the vehicle in two ways. It increases the maximum rpm the vehicle will allow at launch with the VDC on from the present 2,000 rpm to 3,000 RPM. It also decreases the maximum RPM the vehicle will allow at launch with the VDC off from the present 4,500 rpm to between 3,000 RPM and 3,500 RPM. The update is optional for existing GT-R owners, and some Read More

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