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Showing results for tags 'electronic ignition'.
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Version D
173 downloads
This is an instruction on how to replace the TIU circuit board with a HEI Module. Based on the 1977 model, but it can be adapted to the later 1978 model with the square plug of the early 1976 model with dual pickup. Comment and improvements welcome. EuroDatFree -
Like the title says, I've given up. Over the past 2 years or so, I've wasted a pile of time trying to get electronic ignition into my 240Z. And I've failed. I could never get anything working well enough that I could be happy with it. I've tried two different ZX distributors, a total of three different E12-80 modules, a Pertronix ignitor in the stock 240Z distributor, and four different coils (original 240Z, original ZX, new aftermarket ZX & 3.0Ω Pertronix). It's worth noting that all three of the distributors I've tried had good vacuum advance units and no slop in the shaft bushings. Good, solid dizzies. I've fought pinging from bad advance curves, ignition washout at higher revs, and sometime both. I've swapped plugs, wires, cap, rotor, etc. around several times in a concerted attempt to make this work. (It probably doesn't help my confidence in this knowing of at least three E12-80 failures in the past few years around these parts, either.) Try as I might, I haven't been able to get anything to work as well and trouble-free as the stock points. I'm not an idiot, I've been working on and restoring old cars for decades. But I've certainly failed here. Yes, I'll concede that a good electronic ignition should be superior to the stock points. But for a weekend GT touring car, the points are probably good enough. I'll also concede that considering how many people have made this work on their cars, perhaps my car itself is at fault. (Perhaps too much voltage drop at the ignition?) But on the other hand, there's plenty of threads here with people having issues with electronic ignition conversions, so maybe I'm not alone. At this point I'm not convinced that either the ZX ignition or the Pertronix are the answer. Maybe the Mallory Unilite is better, but that's too much money for a stock L24. I'm still open to suggestions. I've got a Pertronix Ignitor and 3.0 Ω coil sitting on the bench right now. If someone can give me a clue, maybe I'll try again. Or not. It's running great on the points right now....
