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MSD 6AL Ignition control box - $150 (Johnson City)
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$150 OBO
Core SpecificationsSpark Energy: Delivers ≈ 135–145 mJ per spark with over 520 volts to the coil.RPM Range: Operates up to 15,000 RPM depending on your setup.Current Draw: ≈ 0.7 Amps per 1000 RPM.Compatibility: Works on most 4-, 6-, and 8-cylinder distributor-based engines with 12-volt negative ground electrical systems.Key FeaturesBuilt-In Rev Limiter: Unlike older analog boxes that required plug-in pills, modern digital 6AL models use integrated rotary dials to set RPM limits in 100 RPM increments.Multiple Sparks: Fires 3 times per cylinder at lower RPMs to ensure reliable startups, stable idle, and crisp throttle response.