This controller allows the launch rpm setting to be changed instantly for last-second changes in track conditions, without diving into the ProData software. It plugs into the RS232 computer harness and uses two rotary dials for adjustment.
Specifications:
- Category: Air and Fuel Delivery
- Part Type: Engine RPM Limiter
- Product Type: Controller
- Adjustment Range: 1,000-10,900 RPM in 100 RPM increments
- Controls: Two rotary dials (1,000 RPM and 100 RPM increments)
- Compatibility: Programmable Digital-7 Plus Ignition only
- Part Number: 7551
FAQ
What does this switch box do?
It lets the launch RPM setting be changed instantly at the track without using the ProData software.
What ignition is it compatible with?
Programmable Digital-7 Plus Ignition only.
How is launch RPM adjusted?
Via two rotary dials, one for 1,000 RPM increments and one for 100 RPM increments, covering a 1,000-10,900 RPM range.

