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73-87 Chevy _ GMC Trucks => Interior & Equipment => Instrumentation => Topic started by: 86whitetruck on January 13, 2021, 11:12:58 AM

Title: 86 C10 speedometer to a 4L60 replacement 700r4 tranny from a 1992 Sierra
Post by: 86whitetruck on January 13, 2021, 11:12:58 AM
I have a 1986 C10 shortbed Chevy truck, it has the original speedometer and cable that should hook up to a th350 speedo. We swapped that tranny for 4L60 (not 4L60E) tranny (out of a 1992 Chevy Sierra) and I can't find out what i need to do to mesh these together. Is there something simple/cheap i can do?
Title: Re: 86 C10 speedometer to a 4L60 replacement 700r4 tranny from a 1992 Sierra
Post by: frotosride on January 14, 2021, 05:03:15 PM
Does your 4l60 still have the speedometer gear housing on the tail shaft adapter?