my current xj is a 99 4.0L, Aw4, 242, d30/chy. 8.25
I'm leaning towards the outside temp guage because it seams the most usefull. When it drops bellow 33 I adjust my driving style in case of ice.
The other guage will be a tranny temp guage, to monitor tranny temp, if it gets to hot, back...