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Originally Posted by jannes_z-28
The rating from GM is with all the accesories attached, like alternator, water pump, PS pump and AC. Also with airfilter.
Anyway the numbers are impressive.
What kind of tuning did you do Steve?
Jan
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You sure? After all they sell the LS2 without accesories and rate it at 400hp.. I am pretty sure engines are rated at crank horsepower..
Anyways, the accesories eat up very little hp in a modern car.
Just a basic tune to get it running. got the AF right and put the hammer down. The Superflow dyno uses a FAST ECU.
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"A ship in port is safe, but that's not what ships are built for."
See Bad Penny run the cones:
https://www.youtube.com/watch?v=8GUPPIX-92U
1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada
1968 Camaro - Project Track Rat - 440 RHS LS