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68gmsee · 09-19-2007, 08:53 PM

Mine was off also. At 20 I would clock about 35 mph. Changed the driven gear and now I'm off only by 5 mph. At 20 mph I'm actually going 25 mph. I can live with that.

Here's a couple of sites you can look at.

btw: I bought the gear at the Chevy dealer for about $7.00.

http://www.transmissioncenter.net/sp...n_______va.htm

http://www.bgsoflex.com/speedo1.html

09-19-2007, 08:53 PM	#6
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: Speedometer question Mine was off also. At 20 I would clock about 35 mph. Changed the driven gear and now I'm off only by 5 mph. At 20 mph I'm actually going 25 mph. I can live with that. Here's a couple of sites you can look at. btw: I bought the gear at the Chevy dealer for about $7.00. http://www.transmissioncenter.net/sp...n_______va.htm http://www.bgsoflex.com/speedo1.html