Quote:
Originally Posted by NorCalC20LWB
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??
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My 72 has GM HEI and I bought that tach upgrade kit from Brothers and couldn't be happier. They included a bezel for an 8k rpm tach which confused me at first, but they were quick to send out a replacement for the regular 5k. Not sure why someone told you it won't work, because it definitely does. And $199 is a great price.
There's a pic showing the tach with my engine running here:
http://67-72chevytrucks.com/vboard/s...16#post8061316