In a message dated 3/22/01 11:32:06 PM Eastern Standard Time, wmoore@CS.RMIT.EDU.AU writes: > On Thu, Mar 22, 2001 at 09:17:35PM -0500, Herbert Graf wrote: > > Thanks alot, however I'd like to add that since the car uses an > > electronic ignition system (no points) I'm planning to get my tach signal > > from a fuel injector, anyone see problems with this idea? I realize that > > injectors probably create a huge amount of transients on the line but I > > figure I should be able to filter that out. Ideas? Thanks, TTYL > > I would use the signal present at the coil just like any other normal tach. Any ignition system uses a coil and needs a trigger. Just identify the proper wire and tap in. My 69 Chevy van is powered by a 91 Corvette 350 with TPI and electronic ignition. It's tach works just fine. Ray Russell General Contractor Norfolk & Western Railroad Pocahontas Division Circa 1958 Visit The Pocahontas Website at: Click here: Pocahontas Home OR http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu