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2002 WS6 Pontiac Ram Air Trans Am - and the superb quality and knowledgeable services of Speed Engineering has broken the worlds record for rear wheel horsepower with out any power additives or internal engine modifications to the stock LS1. 400.7 rwhp/401.6 rwtq SAE corrected without heads and cam, and without power adders! That's right, a totally stock long block LS1 engine making the same power and more torque than a lot of heads/cam cars have. |
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