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MSD 6462 6-BTM Ignition Control Box
From the Manufacturer
The 6 BTM is ideal for engines with a turbo or supercharger. Not only will the engine benefit from MSDs full power CD sparks, but there is also an adjustable boost/timing retard circuit to prevent detonation.
When your supercharger (turbo or blower) forces the air/fuel ratio into the engine, the cylinder pressure inside the combustion chamber increases. The result is a great amount of power but this can also lead to detonation which can result in severe engine damage. The 6 BTM lets you dial away detonation by retarding the timing in relation to the boost pressure. By electronically controlling the ignition timing your engine can run on the threshold of detonation to obtain maximum power and efficiency.
The BTM features a dash mounted control knob that lets you adjust the amount of timing retard. It can be adjusted from 0° per pound of boost to 3° per pound. The boost pressure is monitored by a sensor built into the MSD.
The 6 BTM also shares the Soft Touch Rev Control of the 6AL Ignition for over-rev protection. The BTM is supplied with rubber shock mounts and rpm modules for 3,000, 6,000, 7,000 and 8,000 rpm.
NOTE: Not compatible with distributor-less systems.
NOTE: With an MSD 6 Ignition, some factory and aftermarket tachometers and fuel injection systems may require an MSD Tach/EFI Adapter.
FEATURES
- Designed for severe racing conditions
- NASCAR approved & featuring NASCAR mandated 6-pin weathertight connectors
- Circuits encased in a silicone elastomer for incredible resistance to racing vibrations
- The 6TN features the same 4-pin connector as the 6T
- The 6ALN features built-in Soft Touch Rev Limiter and four rpm modules
- Ideal for engines with a turbo or supercharger
- Convenient dash-mounted knob to adjust spark timing retard
- Includes heavy-duty rubber shock mounts
- Includes RPM modules
- C.A.R.B Approved
SPECIFICATIONS
- Operating Voltage: +10-18 VDC Negative Ground
- Current Requirements: 5 Amps-5,000 RPM, 10 Amps-10,000 RPM
- RPM Range: 15,000 RPM with 14.4 Volts
- Spark Duration: 20° Crankshaft Rotation
- Energy Output Max: 105-115 mJ Per Spark
- Weight and Size: 3 lbs, 8"Lx4"Wx2.25"H
- Voltage Output Max: Primary: 460-480 Volts, Secondary: 45,000 Volts (Blaster Coil)
Ray Cook
Reviewed in the United States on January 21, 2025
This simplifies the requirement of using two boxes when running a supercharger. Ignition and boost control all in one box.
Pj c.
Reviewed in the United States on October 14, 2024
Just over three month old, and stopped working
michael
Reviewed in the United States on March 11, 2023
This all in one unit answered all my turbo controller needs
Fastnuf
Reviewed in the United States on March 23, 2022
If it sez MSD, you can count on it being a high quality ignition system. This system is the MSD 6A multi spark discharge ignition box with a boost timing retard system that can reduce timing per PSI (or fraction of a PSI) of boost. Will work with a blow through system or a Roots type supercharger.Comes with all required supporting hardware to include RPM limiting chips for 3000 RPM, 4000 RPM, 5000 RPM, 6000 RPM, 7000 RPM and 8000 RPM.The only negative issue I have is it comes with an un-shielded mag pickup cable. It's safer to use MSD'sP/N 8862 grounded mag pickup cable as I have pictured here.
Sergio Valente
Reviewed in the United States on September 3, 2018
Great spark power with ignition timing control.
amoparacer
Reviewed in the United States on November 30, 2014
I loved this tell driving down the road and MSD fried had to be towed home. I sent it to MSD have been running stock ignition. Have not tried the unit yet after they fixed it. I was smart enough to leave the stock ignition box wired so I could have plugged in an ran home but the MSD ate the fusable link. I gave a mini fuse installed now if it happened again. The MSD fried at 6 months warranty is 1 year so no charge repair.
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