Jamiedgwilson Posted April 14, 2016 Share Posted April 14, 2016 Trying to fit an aftermarket Tacho on an EP70. Can anyone tell me where the best place is to take the engine speed signal from? Thanks,Jamie Quote Link to post Share on other sites
EP70-PT Posted April 14, 2016 Share Posted April 14, 2016 Ignition coil negative wire Quote Link to post Share on other sites
Jamiedgwilson Posted April 14, 2016 Author Share Posted April 14, 2016 Thanks. I did originally connect it to the negative terminal, but the response was very slow. I suspect it may be an issue with the Tacho. Anyone else experienced a slow response from an aftermarket Tacho and found s way to improve it? And don't say buy a better Tacho! 😀 Quote Link to post Share on other sites
MR-2 Posted April 15, 2016 Share Posted April 15, 2016 Noticed same problem on my P7, low rev :/ I'm using oem GTi Corolla tacho. Have to change injection engine, same worked fine in 5E-FTE combo, one more reason to do it I'm having too low revs in all area I think, and slow responce. I have changed 2E engine ignintion system and it didn't work well on 1E. Haven' t got time to solve that, curious to hear what needed in carburator engines. Quote Link to post Share on other sites
MR-2 Posted April 15, 2016 Share Posted April 15, 2016 Ment to say that ignition swap works, but tacho not so well. Quote Link to post Share on other sites
EP70-PT Posted April 15, 2016 Share Posted April 15, 2016 Just drop a 4E in there, use the 1E ignition and carb, some dude did it, I'll find the page and paste it here Quote Link to post Share on other sites
EP70-PT Posted April 15, 2016 Share Posted April 15, 2016 Here it is:http://terraroot.neoneoism.com/?p=547 Quote Link to post Share on other sites
MR-2 Posted April 15, 2016 Share Posted April 15, 2016 My 1E with 2E ignition, with fueltank test New engine don't solve signal problem to tacho. And 1E engine have poor adjustable contactor ignition system, very common swap is changing 2E ignition with built in coil, works much better and no need for adjust connector or what is right english word for that?Both ignition systems have plug for tacho, but shows sometimes wrong values in some tachos, weird... Quote Link to post Share on other sites
MR-2 Posted April 15, 2016 Share Posted April 15, 2016 Here it is:http://terraroot.neoneoism.com/?p=547Thanks for link That ignition is from 2E carburator engine, 1E have coil outside. Quote Link to post Share on other sites
MR-2 Posted April 15, 2016 Share Posted April 15, 2016 Some cluster idea picture... Quote Link to post Share on other sites
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