other ’72 instrument cluster into a '75?

[gusopenshaw]

Any reason a 1972 instrument cluster would not fit/work in a 1975 2002?

[TobyB]

Should work fine.

 

brake light function might be different?

 

t

[percy]

Should work fine.

 

 

Unless replacement speedometer is calibrated for a different rear gear set, in which case it would be inaccurate. 

[gusopenshaw]

Thank you!

[2002#3]

If you are wanting an early cluster look to replace the later woodgrain look, you can simply clean, smooth, and paint the cluster.  See two possibilities in the attached photographs.  Both cluster were previously woodgrain.

 

[TobyB]

 

 

it would be inaccurate

I think that's guaranteed no matter which one you have!

 

But you're right- a 76 speedo might be calibrated for a 3.91 diff...  and option diffs were possible- but unlikely- in all years.

There's a number on the back that tells you what it's calibrated for, but I don't remember how all that works.

 

t

[Conserv]

I think that's guaranteed no matter which one you have!

But you're right- a 76 speedo might be calibrated for a 3.91 diff... and option diffs were possible- but unlikely- in all years.

There's a number on the back that tells you what it's calibrated for, but I don't remember how all that works.

t

+1

Exactly: a large percentage of '76 49-state cars received speedo heads that were marked "W = 1.393" -- like mine, pictured below -- indicating they were geared for the 3.90 diffs specific to '76 49-state cars, but the actual gears installed in those heads were for 3.64 diffs. Speedo error? Reported to be approximately 7%, but mine is off by approximately 9%.

For years I've been searching for the special "face overlay" that BMW offered as the solution to the problem. I know, I know, I could simply get it calibrated or re-geared, but I REALLY want one of those overlays!

Regards,

Steve

Edited February 10, 2016 by Conserv

[Gordon]

I do not like the faux wood clusters that are in square tail light cars so I had a spare 71-73 cluster and swapped out the cross hair gauges from the faux wood cluster to the 71-73 black cluster. It looks so much better now.

[Patrick Hayes]

White face gauges sells a vinyl ovelay for the cluster. It's a little overpriced at $35. But it goes on in seconds and is reversible.