what gives? specifically, my oil temp gauge (Omori), when it hits about 210F, the needle starts jumping all over the place. any idea what this could be contributed to? it works fine with temps below that. i'm using the Greddy sandwich adapter for the signal, and haven't noticed any problem until yesterday morning.
also, my EGT gauge has been acting up recently. after washing the car 2 days ago, it was reading WAY low, and now is very slow to respond to different temps (unless i'm just being paranoid). it's tapped for cyl #4, 3-4 inches from block.
any help on these, PLEASE, would be very very appreciated. i know the wiring is all good, any other ideas?