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**The Rocknrod** · 11-04-2021, 10:19 AM

Do you know what the teeth are in the transmission? You can do a calculation on the TCI website - https://www.tciauto.com/speedometer-gear-calculator#350
Or an easy one - https://www.inchcalculator.com/icwid...E1NzA5ODQ3NTU=
There is a vid on how to change the gears - https://youtu.be/S6yGNIzCR04

11-04-2021, 10:19 AM	#2
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Speedo Gear Do you know what the teeth are in the transmission? You can do a calculation on the TCI website - https://www.tciauto.com/speedometer-gear-calculator#350 Or an easy one - https://www.inchcalculator.com/icwid...E1NzA5ODQ3NTU= There is a vid on how to change the gears - https://youtu.be/S6yGNIzCR04 __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? Last edited by The Rocknrod; 11-04-2021 at 10:34 AM.