This tach was given to me so the price was right and I used it. It goes to 8000 RPM which is probably way past redline for a 283 so I will set the movable shift indicator for the proper redline once I find out what that is. It is a Sunetune mini-tach with a 2 5/8 housing. Home made bracket.
Weeds
http://picasaweb.google.com/lh/photo/APK-zVJrsQUSsSHN0dDmog?feat=directlink