Programmable
Digital-7 w/Boost Retard Curve,
PN 7535*
 The
Programmable Digital-7 Ignition Controls are a favorite of drag racers
ranging from street classes to professional pro stock racers. With the
advances in EFI technology, more turbo and supercharger systems, a lot
of racers want to be able to program a timing curve in relation to boost
pressure and MSD answers with the new Programmable Digital-7 with Boost
Retard!
Total
Programming Control
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- Map
a timing curve based on boost pressure.
- Plot
timing curves down to 0.1° every 100 rpm.
- Control
each cylinder’s ignition timing by up to 10°.
- Select
different rpm shift points for each gear shift.
- Program
a specific timing curve for each gear.
- Three
stages of retard for multiple nitrous systems.
|
The
new ignition has a MAP sensor Weathertight connector that plugs into
most GM style MAP sensors (not included). This
information lets the ignition’s microprocessor know the exact boost
pressure. From there you can set up a curve down to 0.25pisa increments
for every 0.1° through the MSD software on a PC or with the optional
hand held monitor (PN 7550). All of
the features racers have come to expect are still included in the Programmable
Boost Ignition. This includes individual cylinder timing, stage retards,
rpm limits, shift points and more. The race proven output of the ignition
is a stout 190 millijoules of spark energy with a primary voltage of
535 volts. Plenty of omph to light a fire in a cylinder with high boost
pressures! For even quicker computations and management capabilities
this ignition uses a 40Mhz RISC microprocessor – the most powerful
of any digital ignition!
 |
| The
Pro-Data+ software is easy to
use and installs to any Windows based PC with 95, 98, 2000, NT,
XP or ME. The Boost Chart is easy to program by a click of your
mouse to add or remove a point at a specific pressure and timing.
There is also a boost pressure gauge along with a retard dial
and a tach so you can view the boost and timing changes as they
occur in real time.
|
A
MAP sensor is required for the boost circuit.
The Ignition is supplied with wiring harnesses, mounting hardware, an
RS232 computer harness and the Pro-Data+ software on a floppy disk.
(The Hand Held Monitor, PN 7550, can also be used for programming.)
It will accept trigger signals from a points/ECU output or a magnetic
pickup. The recommended Coils are PN 8251 or PN 8261.
Programmable
Digital-7 with Boost Retard Curve
PN 7535* 
Map
Sensor
An
MSD MAP Sensor is required for the Boost Retard feature. Be sure to
know the approximate amount of boost you will be running so you will
get the proper sensor. MSD offers three different sensors.
1
– Bar PN 23111
2 – Bar PN 23121
3 – Bar PN 23131
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icon and buy MSD products on our website!
