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NorCalC20LWB · 09-04-2018, 12:03 PM

Have a 72 that at some point was upgraded to HEI. Want to add a tach and Brothers Truck Parts has an upgrade kit on sale right now, but they said it will not work with an HEI system. Any suggestions??

09-04-2018, 12:03 PM	#1
NorCalC20LWB Registered User Join Date: Mar 2015 Location: Bigfork, MT Posts: 466	How to add a tach to non tach cluster?? Have a 72 that at some point was upgraded to HEI. Want to add a tach and Brothers Truck Parts has an upgrade kit on sale right now, but they said it will not work with an HEI system. Any suggestions??