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TK what compression are you running? You have head work done to your heads? Whats the flow numbers? I have a set of heads in the basement for my next motor with 386 cfm I and 268 cfm E and .700" lift. Edelbrock heads with the floors filled in and roofs raised. Have undercut valves on 11/32 stems. A 496 motor with my setup, FI and going to a 1550cfm throttle give me 580hp and 670tork on both engine builder programs. James Baldwin was a 496 with a 4.310 bore and a solid roller cam of unknown size but is somewhere in the .650 lift area. He has 950hp carb. I ran the numbers and came out with 50 hp and 70 tork thanwhat he was show his motor had. I have seen some redicious numbers on dyno sheets with 120% VE numbers. Any dyno can be played with to show numbers higher than what you have. I want to see was Jay B's motor puts out at the challenge. If your motor is running these numbers, I would enter your motor in the challenge and see how it stacks up. I have see motors running 15-1 A/F ratios on dyno sheet and find it hard to believe that running this lean a motor can live long, even with coatings on valves,heads,and pistons. I am looking into Swan coatings for my motor parts. Lean is Lean more power is made at 12.8-13.4 than at 15.0-1 unless something new has happened in the last 2 months. Got to go to a picnic. Later Rick Lake
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