<div class="bbWrapper">Hi Sammy<br />
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Absolutely. I recently installed the Pertronix III system on the 390 in my '64 and it smoothed out the idle and eliminated a miss that was happening at higher revs, not to mention better starting and better throttle response. The stock ignition on these old FE engines is kind of weak and so you don't get good ignition under some circumstances. Imagine pistons the size of soup cans, that's a lot of fuel air mix to light off.<br />
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The Pertronix takes care of that as long as you install the ignitor module and a hotter coil, like the flamethrower III coil. You should also put in some good 8.5mm spark plug wires to make sure all that good energy makes it to the spark plugs. Stock wires have a lot of resistance where as MSD wires, for example, have a lot less hence more juice makes it to the plugs. Once the Pertronix is installed, you can open the gaps of the plugs a bit. Pertronix recommends an additional .007 gap, so if standard gap is .035, you can open the gaps to .042.<br />
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One final thing is you should also install the power relay that Pertronix sells. What this does is to provide a full 12 volts to the coil. More juice, more spark.<br />
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Recommend you go for the Pertronix III. It delivers multiple pulses to each piston per power stroke, like a spark box would. I bought the Pertronix III, the flamethrower coil, and the power relay on Amazon and the total was around $210.<br />
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Happy to send photos of the install I did. It's straightforward and the instructions are good so you shouldn't have any issues.<br />
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Doug</div>
