Speedo's off by 10 MPH... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

LeDevil · 05-21-2009, 12:58 AM

I did a search but it said key words not found, so here's my issue.

My speedometers is roughly 10 mph off when I do 40 I'm really doing 30. Is there a speedometer gear I can get to try and help this be a little more accurate?

tvblazer78 · 05-21-2009, 08:15 AM

Yep you can get one on line with TCI and they will help you find what works best for what you have. You will need to know gear, wheel, tire and trans. I think you just plug it in and it should tell you, if know call them and they can help.

05-21-2009, 12:58 AM	#1
LeDevil A new C10 Addict! Join Date: Oct 2008 Location: Vancouver, Wa Posts: 105	Speedo's off by 10 MPH... I did a search but it said key words not found, so here's my issue. My speedometers is roughly 10 mph off when I do 40 I'm really doing 30. Is there a speedometer gear I can get to try and help this be a little more accurate?

05-21-2009, 08:15 AM	#2
tvblazer78 Low & Fast! Join Date: Jan 2007 Location: Knoxville, TN Posts: 3,110	Re: Speedo's off by 10 MPH... Yep you can get one on line with TCI and they will help you find what works best for what you have. You will need to know gear, wheel, tire and trans. I think you just plug it in and it should tell you, if know call them and they can help. __________________ Southeastern Mini Truckin' Nationals April 27 and 28, 2012

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