Quote:
Originally Posted by 2012LS3VERT
Many times it comes down to individual car setup. A large cam car with a centri or large turbo will tolerate a much lower gear than a TVS2300 car. Even a Whipple doesn't come on as hard as a TVS2300. A 6L80E car also will not tolerate as low of a gear as a manual especially with a high stall, as the 4.02 first gear is pretty deep compared to the 3.01 of a Manual SS, or the 2.66 in the ZL1. I have run the stock SS 3.45, the 1LE 3.91, then the ZL1 3.73s. I am eventually going to swap in the ZL1 3.27 gears, the 3.73s are way too deep on street, where my car is most of the time with a much shorter tire than my drag radials. I also have done many diff swaps and regears in customer cars, what I recommend depends on goals and car setup. All the power in the world won't do anyone any good if you can't put it to the ground effectively, so all variables need to be taken into account.
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Well said, totally agree, I just see a lot of guys shy away from the 3.91 because of hearsay when in reality they will be optimal for quarter mile drag times