DYNO-COMP RENNTECH SL65 AMG DYNO RUN

The phrase "unleash the beast" would seem a out of context to describe a roadster. However, in the case of this SL 65 AMG, power can be found in even the smallest places. The engineers from RENNtech have created a handheld tuning device that is both powerful and convenient. The RAT (or RENNtech Auto Tuner) can provide easy upgrades to the cars ECU with ease. It gives the owner ultimate control with the power to switch between maps, such as 91 octane or 100 octane, and allows for new maps to be sent straight to your email. The most convenient quality, however, is the ability to set the car to stock condition for trips to the dealer. (For more information click here) The power created from the RENNtech RAT is sure to give you the edge on your competition. Stock Power: * Wheel horsepower: 450 whp * Torque: 611 ft lb * Crank horsepower: 593 hp * Torque: 800 tq (Mercedes tends to overate their horsepower and underrate their torque, as well as power varies from vehicle to vehicle. From our Dyno baseline we found that this SL 65 made more power then the factory specs. The factory rated power at the crank is 604hp and 738tq) RENNtech RAT Stage 1 Package: * Wheel horsepower: 520 whp * Torque: 690ft lb * Crank horsepower: 671hp * Torque: 890tq All of this was achieved from the addition of the RAT alone! At the end of the day the SL 65 AMG at the crank made... +77.6 HP +96.5 TQ

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Renntech SL65 vs Ferrari 458
The Ferrari is stock. My SL65 has the stage three Renntech package. That's the ECU, TCU, wheels, tires, suspension module, Exhaust, toe links, Intercooler pump upgrade, and carbon fiber airbox upgrade. It's making 730hp and 930tq. We had two races. The first one was from 40-130 and the Ferrari didn't hear my three honks. He took of a bit late letting me get out front early in the race, and that's where I stayed. During the second race, I got all the way into the throttle a little too early resulting in massive tire spin to about 70mph. By then, the Ferrari was way out front, and all I could do was sit back and watch. Overall, in a straight line, we both decided that this was a pretty even match up. In my opinion, the slight nod would probably go to the 458. BTW, if you haven't smelled the interior of a 458 yet, it by itself is worth the price of admission!





SL65 AMG Dyno Twin Turbo V-12 Relentlessrpm.com
The graph is a little bit messed up because the max power is in 4th gear, and because the top of 4th is above 155mph, the car limited itself, thus causing the drop in power in 4th gear. Despite this, the numbers were still: MaxTQ=648.3ft/lbs and MaxHP=approximately 440whp. Once we get the limiter removed, the car should put down 500 hp and 700+ft/lbs of torque.





RENNTECH SL65 Black Series - 805HP!
RENNTECH SL65 Black Series - Dyno Testing of a RENNTECH modified SL65 BS. 805 HP and 1000 LB-FT of torque at the crank! These astonishing power gains are created with ECU upgrade, Dual Intercooler Pump Upgrade, Transmission Upgrade, and 100% Locking Rear Differential. Contact RENNTECH today for product pricing and info! www.renntechmercedes.com





Mercedes Benz SL65 AMG on the dyno
Final numbers: 660 horsepower and 872 torque at the wheels. Using an 18% correction for RWD and auto trans, the numbers are 779 horsepower and 1,028 ft-lbs of torque at the crank! Free flowing downpipes, muffler delete, 3" intakes, Renntech cooling package, ECU and TCU tune.




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