Funny, I don't have a factory tach, but i just fixed my speedo in my truck and the damned speedo seems like it's not accurate over 4k
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If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (
link)
I can't check the forum daily. If I don't reply to you within 24 hours,
drop me a PM! I'm (hopefully) still alive and will reply faster to a PM.