Max speed per gear with 4:10s

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06-25-2009, 01:12 PM

#11

Vapour Trails

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Join Date: Jan 2008

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Quote:

Originally Posted by wilmax17

Thanks for the answers, that's exactly what I was looking for.

But if you run 4:10s with an 11psi Whipple blower (a few months away hopefully), you might (if you're lucky) have to go into 5th gear to finish the 1/4 if the max speed is only 115mph? I thought 5th gear was just used for overdrive, that doesn't seem very practical? Or do you just hope you don't hit the rev limiter before you cross the line? Should I stick with the 3:55s if I plan on getting the blower relatively soon?

I would stick with 3.55s, its not like you are going to have a shortage of torque with the blower. As you are realizing the end of the track can be a problem if your gearing is too short.

In my case, if I were racing another N/A S197 with 3.55 gears and we were both shifting @ 6500 rpm, my opponent would not have to shift into fourth gear at all, saving a few tenths of a second. Gearing is always a double edged sword.