So I took the plunge on my '56 T-Bird, & replaced my load-o-matic dizzy with a '64 F-100 rebuilt Cardone unit & Pertronix. Now looking around for a reasonable later style B intake & will replace my A intake plus the T-Pot with a Holley 390. The tradeoff in my pursuit for drivability & slight performance enhancement is loss on the cable drive tech of course.I do however wish to replace my in dash tach with an aftermarket unit. I know some of the T-Birder's here must have done this before. Any suggestions on replacement tachs?