Quote:
Originally Posted by 8cd03gro
That's not my point. My point is, the 3.73 equipped cars aren't (apparently) ETing quicker in the 1/4 than the taller geared cars, nor are they ETing quicker at any reference points, such as 1/8, 1000', etc. Any advantage the 3.73's hold is theoretical and unproven. I see a lot of people on this forum assuming that a shorter rear gear means a quicker car, which is not always the case. How power delivery meshes with the gearing is much more important than how short the gearing actually is.
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3.73s probably won't be quickest on hard-compound street tires because the extra torque multiplication at the wheels will likely be wasted on the launch, and at each shift via increased tire spin. Put a tire on the car, and a driver that knows what he is doing, and that will change.
Also, 3.73s will put a stock 5.0 right into the 6850 rpm "soft limiter" at the end of the 1/4 mile in 4th gear. This will admittedly have very little effect on ET but will show up as as a lower trap speed.
If I wanted to get the quickest stock 5.0, I'd likely opt for 3.55s, and hope I could find a track with enough bite to allow me to take advantage of the small increase in gearing (3.31 to 3.55).