I bought a used Crane system on eBay for around $50 and put it on the PV about 3 or 4 years ago. Since then I've racked up about 35,000 miles of use and haven't had the slightest peep of trouble from the ignition system. I tend to drive mine rather hard, revving up to 7K, all on a fairly well modified engine. The stock ignition had a sort of wavering weak feeling at full throttle and in the higher rpm bands. I would have sworn it was a fuel problem, but swapping to the Crane system and using a big gnarly Mallory coil cured it completely - immediately it started to pull cleanly and crisply up to the redline.

At idle with a timing light the point ignition would always show a wobble of several degrees, possibly as much as 5 degrees (which becomes more significant the faster the motor spins). And of course, you'd have to reset the gap and reset the timing every 5 - 10K miles. With the Crane system on the timing light shows the timing to be rock steady. And if you never touch it and check it 15K miles later, it is EXACTLY where you left it.

Now, for grins, I'm going to lock the advance mechanism in the distributor and run the output of the Crane unit into a Megasquirt controller, and have it run the coil via an MSD 6 box. Having it manage the spark advance will allow muc finer tuning of the spark curve. I've had troubles with my motor with the distributor not having enough advance. Currently I have to choose between slightly retarded timing and a stronger low end punch or slightl advanced timing and more high end power.

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I'm JohnMc, and I approved this message.