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Originally Posted by jsbihn
Wait?
So the '03 tranny with its 4 speed tranny is already in overdrive?
I am trying to understand this so basically we already have an overdrive unit on our transmission?
Yes???
And if so, then really we are just a 3 speed transmission with an over drive unit?
Is that what is being said?
And if we didnt have an "overdrive unit" then is it possible to put one on?
http://www.gearvendors.com/
I know trying to mate up a 6 speed tranny isnt an idea since you need the tranny, the shaft, the computers, and the programming (or maybe I am wrong), but I thought if maybe we had an overdrive that could be modified to make the transmission run better
(maybe even act or run something like the old 4+3 transmission the Vettes had) |
I cannot speak for the 03 models as this was the first year for the H2's. I have an 07 model. But when I engage the tow/haul switch, I notice the shift points change to higher rpm's and I get more torque when going up steep hills on the highway. They may not call this an "overdrive" per se, but it performs just as an overdrive would.