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Tinker · 08-19-04, 06:27 AM

Why do you want a 4K tach on a engine that turns over 5K?. I'm trying to adapt a cheap Auto Meter 6K tach to my 84 FJ60 5.7 Vortec/4l60E - looks like it'll fit (just got info from Painless on the correct harness wire).

08-19-04, 06:27 AM	#3
Tinker IH8MUD Lifer Join Date: Apr 2004 Location: Larkspur, CO Posts: 2,252	Why do you want a 4K tach on a engine that turns over 5K?. I'm trying to adapt a cheap Auto Meter 6K tach to my 84 FJ60 5.7 Vortec/4l60E - looks like it'll fit (just got info from Painless on the correct harness wire).