Speedo Gear - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jkade · 04-02-2008, 12:55 AM

I swapped to 37's and 4:56's on my 86 k10 and now the speedo is bad off. How do I decide what gear I need for the speedo or reduction box?
Thanks

Mudder · 04-02-2008, 08:19 AM

I have heard of it being done but have never know anyone whom has done this. A Chevy dealer may be able to help ya.

04-02-2008, 12:55 AM	#1
jkade Senior Member Join Date: Nov 2005 Location: AL Posts: 2,517	Speedo Gear I swapped to 37's and 4:56's on my 86 k10 and now the speedo is bad off. How do I decide what gear I need for the speedo or reduction box? Thanks

04-02-2008, 08:19 AM	#2
Mudder Registered User Join Date: Feb 2001 Location: East Central, MO Posts: 11,344	Re: Speedo Gear I have heard of it being done but have never know anyone whom has done this. A Chevy dealer may be able to help ya.



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