Help needed for Euro 83SC odometer gear identification

jwakil · jwakil's Garage

my 83 Euro 911SC odometer gear is broken (the one that is driven by the worm gear). Unfortunately it has so disintegrated that I count the gears to figure out which one I should order. Does anyone know which one it should be? It has a 150mph speedo. Pelican sells 20x21, 20x22, 20x23, 20x29, 20x30, 20x32. The broken pieces seem to be brownish/red in color, if that makes any difference.

Oh Haha · 05:58 PM

I had mine repaired by a local repair facility but I found this chart that lists the gears.Porsche Odometer Gear Reference
Mine was brown in color as well but I don't know the tooth count.

jwakil · jwakil's Garage

Quote:

Originally Posted by Oh Haha

I had mine reapired by a local repair facility but i found this chart that lists the gears.Porsche Odometer Gear Reference
Mine was brown in color as well but I don't kniow the tooth count.

Thanks for the chart. From that, I conclude that a Euro car would have a km speedo and a US would have a mph. There are no Euro option with an mph speedo, so I guess my speedo was probably replaced. Would all Euros in the US with mph guages be non-original?

Oh Haha · 09-05-2010, 06:03 PM

My SC still has the KPH speedo. Obviously, not ALL Euros imported were changed over to MPH.

After my last post I looked through my parts boxes but I didn't find anything that can help you indentify the gear you need. I bought one for a 944 at one time but it only lasted about a week.

Sorry I couldn't help more.

Peter Seow · 09-05-2010, 06:04 PM

I had two broken gears so i odrered a new meter

jwakil · jwakil's Garage

I'm going to press my luck and go with the 20x30 that the chart says for US mph guages. I realized my speedo needle comes off pretty easily so shouldn't be a big deal if I have to do it twice.

pete3799 · pete3799's Garage

If it's any help....mine took a 20X22
I couldn't count mine either,but the guy i talked to at Odometer Gears LTD said this one would fit. Works like a charm.

jwakil · jwakil's Garage

Quote:

Originally Posted by pete3799

If it's any help....mine took a 20X22
I couldn't count mine either,but the guy i talked to at Odometer Gears LTD said this one would fit. Works like a charm.

Was yours a km speedometer or mph? Everything I have read so far, including measuring s small piece I found with 3 teeth, and from the picture in the tech article with the same color gear suggests it should be 20x30 for my mph meter.