I have never seen a Don Garlits tach before. Looks super cool but price is too steep for me.
http://www.ebay.com/itm/Dixcos-Big-...tor-/291494521586?hash=item43de6d6af2&vxp=mtr
http://www.ebay.com/itm/Dixcos-Big-...tor-/291494521586?hash=item43de6d6af2&vxp=mtr