Factory Tach and an HEI - The 1947 - Present Chevrolet & GMC Truck Message Board Network

406 Q-ship · 11-12-2010, 05:58 PM

I was looking to convert the gauge cluster in my 67 C10 to a Tach and Vac gauge cluster. The Classic Ind. catalog says that the kit they sell will not work with an HEI (came with the truck), well that just does not sound right to me at all. To those out there that have a factory Tach and HEI did you have any issues and if so did a tach filter take care of any problems. I have run early cars (70 - 72 Chevelle/Monte Carlos) with factory tachs and an HEI and for the life of me can not figure out why the truck tach would be different.

Thanks for the help.

11-12-2010, 05:58 PM	#1
406 Q-ship Registered User Join Date: Oct 2010 Location: Largo Florida Posts: 632	Factory Tach and an HEI I was looking to convert the gauge cluster in my 67 C10 to a Tach and Vac gauge cluster. The Classic Ind. catalog says that the kit they sell will not work with an HEI (came with the truck), well that just does not sound right to me at all. To those out there that have a factory Tach and HEI did you have any issues and if so did a tach filter take care of any problems. I have run early cars (70 - 72 Chevelle/Monte Carlos) with factory tachs and an HEI and for the life of me can not figure out why the truck tach would be different. Thanks for the help. __________________ Lifes journey is not to arrive at the gate well preserved, it is to slide in sideways all used up and wore out yelling.....God what'a ride! Where patience fails, force prevails Stapp's Ironical Paradox "The universal aptitude for ineptitude makes any human accomplishment an incredible miracle."

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