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**Palf70Step** · 07-23-2023, 07:34 AM

The one in mine has never worked accurately since the HEI was installed. All the tricks have been tried, but it never worked accurately. Not sure why, but HEI doesn't give the right pulsing or something like that. I don't remember any of the adjustments,if there were any.

07-23-2023, 07:34 AM	#2
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 46,746	Re: Tachometer calibration The one in mine has never worked accurately since the HEI was installed. All the tricks have been tried, but it never worked accurately. Not sure why, but HEI doesn't give the right pulsing or something like that. I don't remember any of the adjustments,if there were any. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!