voltron_boi Posted May 2, 2011 Share Posted May 2, 2011 I found a cheap 5" autometer speedo mechanical gauge and was wondering if anyone had made it to work with with their rb25 transmission. I had seen the electrical type work, but not yet seen the mechanical on the autometer. If i do end up getting it, what speed cable and speed sensor will I need to get? I have a z31 3.7:1 LSD in my rear end btw. Quote Link to comment Share on other sites More sharing options...
jakeoster Posted May 3, 2011 Share Posted May 3, 2011 (edited) It wont just work, if at all. I think the ecu needs to have an rpm signal and you would need a mechanical speedo gear to use that tach. Basically, Im pretty sure it would be a lot of fussing around if it even would work to save a little money. Edited May 3, 2011 by jakeoster Quote Link to comment Share on other sites More sharing options...
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