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wasted spark for your MS'd brick.

megasquirt-vr-input02.jpg


I followed Mikes directions yesterday and came up with my VR sensor conditioning circuit. It did take me a while to do, probably half a day of fussing around with it while watching family guy. The other thread he made (and linked to at the top of this post) is a great tutorial for how to wire it all up.
 
Ok people, this is pretty much done. I have to run through it a few more times to spruce it up, but think it's pretty legible. Please let me know if it needs improvement.

The only thing left really is the factory tach output. I never got that working well. The DSM/Hyundai coilpacks come with a tach output circuit, but hooking it directly to the factory 240 tach didn't make it budge. I'm not sure if it needs to be pulled up to 12v, or if a tach circuit needs constructificating. Sam, what did you end up doing?

Mike
 
Got a stupid question: if you're running a 36-1 on the harmonic balancer (crank pulley), in which direction do you start counting? Same or opposite of crank rotation? EDIT: I think I know the answer

Nice write-up; really easy to follow, but I can't get the trigger settings figured out so I'm going with this Excel tool: Wheel Decoder
 
Hmm, I went junkyarding today and couldn't find this particular coil setup. I found many coils that looked similar, but none that had the two modules nearby. I checked the 4g63 motors and the Hyundais. What cars did these come on?
 
Nice write up, I might do this one day. I am currently running MSnS-e with a hall trigger and MSD ignition, it's done everything I need it to. Whats the main benefit of running EDIS over my current setup? What will I gain?
 
Nick said:
Hmm, I went junkyarding today and couldn't find this particular coil setup. I found many coils that looked similar, but none that had the two modules nearby. I checked the 4g63 motors and the Hyundais. What cars did these come on?
Click to expand...

Hey Nick, I did some searching on www.foreigncarpartsonline.com and found the coilpack to be present on 92-later 16-valve Hyundai Elantra's, Accent's, and Sonata's. Ditto for the DSM's

242Bleek said:
Nice write up, I might do this one day. I am currently running MSnS-e with a hall trigger and MSD ignition, it's done everything I need it to. Whats the main benefit of running EDIS over my current setup? What will I gain?
Click to expand...

This isn't EDIS... EDIS is Ford's method of doing wasted spark. Benefits? More coil saturation, higher potential spark energy. You don't have one coil charging and discharging 4 times... now the duty is shared. What did I notice? Smoothness.

Mike
 
on my led17 for spark i just pulled from the led square pad, no rez, no led in there either, i see you an led in there and 2 rez
 
740ATL said:
Hey Nick, I did some searching on www.foreigncarpartsonline.com and found the coilpack to be present on 92-later 16-valve Hyundai Elantra's, Accent's, and Sonata's. Ditto for the DSM's

Mike
Click to expand...

Found one this morning. A Hyundai 1.8 had this exact setup. Most of the DSM ones in the yard were melted and didn't have the transistor module w/ them. Once I realized the car had the goods, I pillaged it in about 15 minutes. 11.25$ and I was out. Thanks again for the writeup, I can't wait to get this car running!
 
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