Farmboy89

I recently bought an 05 cc sb 6 speed and was wondering what gears i had. I had an 01 with the 5 spd and this truck seems to have a LOT more low end torque. I was thinking i might have 4.10's but i get 20+ mpgs so i dont think thats possible. At 65 mph in 6th gear i am just under 2 grand rpm. Do i have 4.10's or the standard 3.73's?

johndeere01

i think it tells on the glove box door somewhere, hope this helps

billie

Assuming stock tires, 3.73.

Cya

ratsun

X2
Stock tires and 4.10s I am 2000rpm @ 60mph

92'1stGen

Just based off of what you have said, it sounds like you have the Getrag G56 transmission. In the 05's, there were two manual 6 speed transmissions offered, the NV5600 and the later G56. The G56 is geared a lot lower than the NV5600 was & is similar to the autos with a 4.10 ratio in terms of highway RPM's. Also the NV5600 was the last manual trans to be offered with a 4.10 ratio. 3.73's are the only thing available with a G56, but with the way it runs the RPM's, there is no need for any lower of a ratio.

In late, late 06 Dodge/Getrag introduced an updated G56 that had a higher 6th gear ratio, .73 I believe. Not a huge difference, but it helped get the RPM's down a little on newer trucks.

Farmboy89

but in the G56 wasnt reverse in a different place......Mine is all the way to the right and up just like dads 01????

billie

to the right and up should be the NV......mine is.

Farmboy89

thanks for the feedback.......guess im just not used to the 6 speed

rich

g56 is above 2k at 65 with 3 73