The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - fix for speedometer reading wrong due to new 700r4

rpmerf · 11-05-2019, 07:35 AM

11-05-2019, 07:35 AM	#2
rpmerf Registered User Join Date: Feb 2011 Location: Parkville, MD Posts: 1,024	Re: fix for speedometer reading wrong due to new 700r4 You can find gears here: https://www.rockauto.com/en/catalog/...ive+gear,11676 https://www.summitracing.com/search/...ion-type/700r4 short how to: http://www.73-87.com/7387garage/drivetrain/spdgears.htm calculator here: https://www.tciauto.com/speedometer-gear-calculator Also, if you have a smart phone, you can download a GPS speedometer app and verify accuracy. __________________ 1970 C20 Custom Camper - 350, TH350 1997 GMC Suburban 1994 Acura Integra GSR 1987 Dodge Daytona Shelby Z