Lightweight, 9-volt battery powered digital
tachometer reads and stores data from the last
four laps, eight high RPM readings and eight low
RPM readings; removes the highest RPM reading
from each group and removes the lowest RPM
readings from each group, then calculates the
average high RPM and the average low RPM. This
gives a true snapshot of the cars performance. A bright red digital
display is easy to read day or night. The Xtreme Accu-Tach will work
on 4, 6, and 8 cylinder engines using an MSDBOX LOW VOLTAGE Up to
15,000 RPM. Factory pre-set for 8 cylinder operation. With a push
of the display button.
Know how your engine is performing!
Display Button will show:
Highest RPM your engine turned in the last race.
Low average RPM turned in the last race.
High average RPM turned in the last race.
Seconds your engine took to rev from low average to high average.