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I just got my LS3 427 FI from BluePrint Engines for my project.
618hp/574lbs of torque. It has 500 lbs of torque at 2800 rpm, 574 at 4800. Looks like I will be visiting this side of the forum a few times in the future.
All of us here at BluePrint Engines would like to thank you for your purchase of our LS427. We are looking forward to following your progress on the install in your '71 Corvette. Can't wait to see the finished product in action.
Feel free to contact us if you have any questions.
Scott Liggett
BluePrint Engines
Product Specialist
1(800)483-4263