[Benjamin]

You might want to do a little research, but I think there possibly are different input shafts on the NP205 t-case, depending on what transmission it is bolted to.

Might I ask why you want the 3 OTT? Depending on your tire size and axle gearing, the 3 OTT 1st gear might not be low enough in some situations.

I have a K10 w 3.07 axles and 35" tires, and it is much more enjoyable to use the granny low gear to take off from a stop.

My buddy in FL has a K20 w 4.11 axles and 37" tires, 4 speed also, but he starts in 2nd in typical street driving, which is about the same as a 3 speed's 1st gear. His 4.11 axles make the difference.

If you ever put it in 4WD, you might like the option of having granny low gear.

Also, how are people gonna know you are driving a stick if your column shifter looks just like an auto? Get the 4 speed and remove all doubt with a glorious four-on-the-floor shifter!

As you may have realized by now, I REALLY like my 4-speed, and would highly recommend it. I had a 3 speed in the 2wd I had in high school, and loved I too, but I think the extra gear down low on the 4 speed comes in handy often.

For comparison, here are gear ratios for 4-speed and 3-speed transmissions, as you can see, the LOWEST 1st gear on a 3 speed is still not as low as the 1st gear on the SM 465 4-speed
(sometimes the SM 465 is shown as having gears LO-1-2-3, which is how it is shown below) There were several variations of the 3-speed transmission, 4 of which are shown.