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Post by khantyranitar on Jun 3, 2016 15:29:52 GMT -5
I have a motor that I've built. It originally came of a '94 Ranger. It has the factory dual plug configuration with the DIS ignition.
What I want to do is ditch the DIS module and run a 36-1 trigger wheel and have a microsquirt fire the coils. The stock could run as a waste spark with two coil packs with two could in each pack.
The stock system only uses one coil pack on startup for some reason. I see no need to replicate that function. I just want to fire the secondary pack in unison with the primary.
My concern is what do I need to drive the coil packs without burning something out? I know this is an unorthodox approach. My alternative is using an OEM EDIS module off a 95+ setup, and if that's the best way to do it I will. I just want the increased resolution of the 36-1 trigger versus the trigger vanes the DIS system uses.
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Post by Stinger on Jun 3, 2016 20:14:16 GMT -5
You'll either need to use a DIS or EDIS module, or an external igniter to power the coils. Replicating the single coil on startup deal isn't a problem, we do this with one of the programmable outputs with all of the PiMP's that use DIS. Other option is to use a coil/coils that have igniters built-in (like LS coils).
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Post by khantyranitar on Jun 4, 2016 19:51:10 GMT -5
Ok, is there a preferred type of external igniter?
I have been debating sequential injection as well, but I'm not sure that microsquirt has enough outputs.
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Post by Stinger on Jun 4, 2016 20:11:46 GMT -5
Bosch 0 227 100 211 is one we normally use.
You should be able to do sequential with high z injectors, not low z.
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Post by khantyranitar on Jun 12, 2016 21:48:15 GMT -5
Ok, good to know. This is going into a Merkur XR4Ti, but its using an 8 plug motor, and I'm not going to be keeping the stock harness. So the sky is the limit for what I can do. I want to keep some parts simple. I'm going to try to find a good shielded wire I can use for the 36-1 sensor so that I don't get stray signals. All the computer stuff will be located near the stock computer location, along with extra wiring. So the short term I will be using the stock 3 speed auto trans, then later add a 5 speed auto trans that came out of a work van I used to have, which will use a GPIO to control it. I plan of setting up the Microsquirt and GPIO to talk to each other and share some signals, such as RPM, TPS, load, etc. I plan on doing some things differently than normal, so I will probably have further questions when I reach those points.
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