John, I would not worry about that. Where do you shift the car at? Even if you trapped 120 MPH - you would only be around 6,000 RPM at the stripe. I have 3.73's in my car, and will be on a 26.5" tall tire. I expect around 106-109 MPH, and have a low RPM big block. I did the math, and I should be right where I need to be when it crosses the stripe. For best possible ET, you always want to be about 200-400 RPM past the RPM where you make peak power.
Don't give it a second thought, go have fun!
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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