Can i use a 140 guage Cluster?

No, there is more to the cluster than just plug and play. The tach will read wrong (trust me). What ya need to do is take the whole gauge apart. I can walk you through it if you would like. But you need to remove the speedo and swap them out. That should work, it might be off though. Mine was off I think due to my auto tranny.

Dan
 
GTPhreak said:
I dont think they had 140 mph speedometers in 85. you might be able to get an svo gauge which goes up to 85 but has hash marks iirc up to 140, so an overlay with that gauge might be in order

He said 85 speedo to a 140, he has a 89 (red89lxstang :D )
 
*sigh*...

i swapped my 1989 with a 1993 5.0 140mph cluster. It took a couple hours and a LOT of work. First of, you're going to have to change just about EVERY pin in the wiring harness... secondly you're going to have to splice into the harness to move wires from one side of the cluster to the other...

it CAN be done and your tach will be 50% accrate... 2k rpms = 4k rpms... etc etc...

follow this pinout and feel free to contact me if you have any questions.

http://www.stangnet.com/tech/cluster87-93.pdf