The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**clemdaddy** · 07-15-2015, 06:24 AM

do you guys know a part number or some way to tell if its a 6 or V8 tach?
i put a dwell to the engine coil and its pulsing ok, reads right. I've got a tach in a 65 cluster and one in a 63 and they both read very low rpm's.

07-15-2015, 06:24 AM	#4
clemdaddy Senior Member Join Date: Oct 2009 Location: Fayetteville, Arkansas Posts: 1,932	Re: factory tach do you guys know a part number or some way to tell if its a 6 or V8 tach? i put a dwell to the engine coil and its pulsing ok, reads right. I've got a tach in a 65 cluster and one in a 63 and they both read very low rpm's.