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i have heard so many differing opinions on how much factory hp an ls1 f-body has. can someone tell me how much hp an ls1 z28 puts to the rear wheels stock?
They average about 280 to 340 at the rear tires. I have only seen 1 with 340 but I did see it. Mine put 300 to the rear tires when I dyno'd it with 2500 miles.