hi everybody went to dyno day here oz (canberra) it was a holden vs ford day ,50 cars showed up ranging from turbo s to supercharged to nataurally aspirated ,unforuntaly ford was the winner of the day with there 6cylinder turbo xr6s which rated at 500hp on the holden side there was a nat aspirated holden vy ss ute 410 cu iron block ls1 with a high rise manifold and a 2000 cfm throttle body which netted him a 55o horse power at the rear wheels yours personally put his stock ss ute on the dyno , and a good result of 313 rear wheel horsepower iam impressed only mods cold air intake from harrop eng if you want to see some photos just reply back cheers from oz:driving:

How did Ford win when the 410 put down 50 more horsepower. Thanks for posting, love to hear about the down under scene.

must have something to do with a size to output ratio???

i hear those straight six turbos are beasts