Tripcomputer with out pulse is that possible ???

[GasSavers_Diemaster]

the Zemco was a non-FI trip computer and included all it's own sensors including flow, speed, in,out temp, and a cruse control functon. the only thing it didnt have that the scangauge does is instanious mpg.

i've seen them on ebay b4. i just wish in my pre driving stupid days i hadent riped apart my dads