fits model: 440.

( Brand: Msd Ignition ), ( Manufacturer Part Number: 85231 ), ( Part Type: Cam Plug ), ( Color: Black And Silver ), ( Country/region Of Manufacture: Us ), ( UPC: 090127099308 )
The MSD Ignition 85231 Cam Sync Plug is a crucial component for ensuring optimal performance and reliable ignition system operation in applications utilizing aftermarket camshafts or distributorless ignition systems. This plug is specifically designed for engines like the Bbig block Ford 426 and 440, with a base resistiance of 1.2 ohms at 20 degrees Celsius.
This high-performance, ceramic disc-style distributor synchronization plug uses a robust, insulated copper core that is resistant to voltage spikes and electrical wear. The ceramic disc design offers excellent voltage distribution and facilitates accurate and dependable ignition system synchronization, delivering consistent, powerful ignition pulses to each cylinder.
A crucial aspect of this cam sync plug is its heat-sensing capability. Equipped with an adjustable thermal compensation switch, the MSD Ignition 85231 Cam Sync Plug can be fine-tuned to work effectively under various engine temperature conditions, ensuring proper spark advance and optimal performance across the entire RPM range.
This versatile component can be used in both distributorless and distributor-equipped applications, offering flexibility and ease of installation. It features a threaded stud design with an included locking nut, ensuring secure attachment to the engine for enhanced reliability and performance.
When it comes to performance enhancements and ignition system improvement, the MSD Ignition 85231 Cam Sync Plug is a must-have upgrade for engine builders and enthusiasts seeking unmatched ignition reliability and synchronization for their high-performance Bbig block Ford engines.
Buying an MSD Ignition 85231 Cam Sync Plug for a 426/440 engine has its unique advantages and potential drawbacks. Here's a post without emojis outlining the key points:
Pros:1. Improved Engine Performance: The MSD Ignition 85231 Cam Sync Plug offers superior ignition timing control for better combustion efficiency, enhanced power output, and responsiveness.
2. Precise Timing: The cam sync plug utilizes a vacuum-operated signal module to provide precise and consistent ignition timing depending on RPM and engine load.
3. Emissions Compliance: This device may help improve emissions if your vehicle fails emissions tests due to improper ignition timing or misfires. A more consistent ignition system can lower the amount of unburnt fuel in the exhaust.
Cons:1. Complexity: Installing the MSD Ignition 85231 Cam Sync Plug system may require some advanced automotive knowledge and experience in electronics, so it might not be an ideal choice for novice car enthusiasts.
2. Cost: Compared to standard ignition systems, the MSD Ignition 85231 Cam Sync Plug is a more expensive option, which could be a concern for those on a budget.
3. Round Environment: Following factory configurations may require some adjustments such as trimming or repositioning wires that could potentially impact engine performance if not executed properly.
In conclusion, the MSD Ignition 85231 Cam Sync Plug is a valuable performance enhancement option for 426/440 engines, providing better timing control that can lead to increased horsepower, improved combustion efficiency, and potentially better emissions. However, this upgrade requires more complex wiring, installation process, and overall cost compared to factory ignition systems.
Recommendation: If you're an experienced tuner or mechanic seeking to optimize the performance of your 426/440 engine and have a budget for advanced automotive components, the MSD Ignition 85231 Cam Sync Plug is a solid investment. For those with less advanced knowledge or on a tighter budget, other ignition upgrades may be more suitable. Always consult with a professional mechanic or tuner before making any significant modifications to your vehicle's ignition system.
Engine: Chrysler 426,440. The cam sync plug installs in place of a traditional distributor, providing hall-effect signal needed for the EFI system to reference # 1 cylinder. Distributor Type: Cam Sync Plug. Built-in L.E.D.
Sensor: Hall-Effect. Mads cam syncs are plug and play with Holley EFI systems can easily interface most aftermarket. The cam sync plug installs in place of a traditional distributor, providing hall-effect signal needed for the Menu.
Color: Black and Silver.: Cam Sync.: Mads cam sync plugs are the perfect solution when running an aftermarket sequential EFI system with coil-per-cylinder Ignition. MSD 85231 - Cam Sync Plug Bbm 426/440.
Emission Code: 5.