Speedo Re-calibrator question...

My appologies in advance, I know very little about these.

A buddy of mine is buying a Tundra, and lifting it a week later (heck yes!) He's been reading a bit on the Tundra forums, and he's been seeing quite a bit about Hypertech speedo re-calibrators. I understand how a re-calibrator functions to bring the speedometer and odometer back to reading correctly, but people on the Tundra forum are claiming that it also alters the shift-points. I'd have a hard time believing this, as I didn't expect that shift-points would be related to speed, so much as RPM/load, but please correct me if I'm wrong. Wouldn't a re-gear be the only option here?

This becomes a bigger issues on the Tacoma... I really struggle going up the mountain pass with my 285s. If this Hypertech can help, I'd be very interested in picking one up over the alterative of re-gearing.

 

Don't know if the recal unit will change the shift points but your friend's speedometer/odometer must be off a great deal to be worried about the shift points.
That unit is not going to fix your over sized tire/lack of power/regearing problem with you Tacoma. Put some reasonable sized tires on your Taco or regear or get a more powerful/real truck.

 

Hmm... that's funny. I was just sitting in my truck this morning, and can attest to the fact that it is a "real truck."

He'll be puting 305s on his Tundra. I have no idea how far off his speedo will be, and truthfully, that has nothing to do with the question that I have asked.

Thanks for your valuable input.

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