You mean you took the old speedometer out of the cluster and put it in the new cluster?
Is that so you kept the correct miles, or because the speedometer from the new cluster was not usable?
I will paraphrase your question as my answer:
I mean I took the original speedometer out of the original non-tach-cluster and put it in the new tach-cluster.
Yes, so that I kept the correct miles.
-Randy
But the new cluster speedometer would have also worked? Just not the same miles?
I checked with the CA DMV (Registry) and they told me a car that is 10 years old (or older) does not need mileage verification.
I have changed instrument clusters with ones from the junkyard that had less miles on it.
On one of the cars I sold, I turned the odometer back to Zero, and that's how I sold the car.
Of course those were 7th generagtion (1993-1997) and over 10 years old.
I also have two clusters in my garage that have less than 100,000 miles on them.
I saw a Corolla instrument cluster with a tach for my car on e-Bay, but they want $125 plus $20 S&H for it.
I will look for one at the local junkyard (I always check, but no luck there) for one with a tach.
My son put an aftermarket tach from an auto parts store in his car, mounted on the dash.
I think it is god, but I would never put holes in my dash to mount one.
The bad thing about it is that a red light comes on when it is time to shift (his car is standard).
Unfortunately the light stays on when in the last gear above a certain RPM and it is distracting (especially at night).
I would prefer to swap my instrument cluster, as you have.