Kclank Posted September 18, 2017 Share Posted September 18, 2017 (edited) I am trying to set up a series 2 Skyline RB25DET with a SDS EM4. How does the CAS wire to the SDS EM4? the CAS has a 4 wire plug (#1 is +120 degs, , #2 is +1 degs, #3 is power supply, #4 is earth) which wires go to SDS and which pinout(s)? In the distant past, I had read some places the SDS doesnt talk to the CAS and other places that only use one of the signal wires. After recent searching I cant find anything on this subject. I have an email request into Ross at Racetech but have'nt heard back.Any and all help would be appreciated. Can I not wire to cas and get good timing function? Hair all pulled out. hep me hep me ahhhhhh! Edited September 18, 2017 by Kclank Quote Link to comment Share on other sites More sharing options...
Chickenman Posted September 28, 2017 Share Posted September 28, 2017 (edited) I've tuned a couple of local SDS systems. They are 1980's technology and archaic. The Tuning on that single line programming pad is a nightmare, as nothing is user friendly. Very few people will Tune SDS anymore. Not trying to be a Smart Arse.. but ditch the thing or sell it on E-Bay. Take that money and put it towards a proper ECU such as a Haltech Elite 750 ( purpose built for 6 cylinder engines with 6 Universal injector drivers and 6 coil drivers ) . The Elite 750 is a bargain for 6 cylinder engines and it just WORKS. Straight out of the box. Other good options are : Adaptronic, Link, Holley Dominator, AEM Infinity. You pay more...but the ease of installation, setup and tuning is well worth every single penny IMHO. Edited September 29, 2017 by Chickenman Quote Link to comment Share on other sites More sharing options...
Kclank Posted September 28, 2017 Author Share Posted September 28, 2017 Thanks for your input chickenman Quote Link to comment Share on other sites More sharing options...
softopz Posted September 29, 2017 Share Posted September 29, 2017 You have to mount 4 magnets on the crank pulley as SDS will use its own input HALL sensor. if you set your CAS with mount and mark TDC Ross can mount the magnets for you at a small fee. http://www.sdsefi.com/techhall3.htm Yes SDS is old but it works and works decent. I have it on my stroker l30et putting down 400hp . If your looking at a new ECU all good suggestions from chickenman but do not over look ECU masters they also have a Plug and play harness adapter another bonus is it has a built in wideband controller in the unit that will save you 150-350 just on a wideband. Quote Link to comment Share on other sites More sharing options...
Kclank Posted September 29, 2017 Author Share Posted September 29, 2017 (edited) Thank you sir. The magnets are in place. I did not understand that the hall sensor was replacing the advance function of the cas. Ross let me know a few days ago and you just confirmed it. thanks Edited September 29, 2017 by Kclank spelling Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.