SMT6

SMT8

Sensor calibration

Yes

Yes

1 x fuel tuning map

Yes. 1 screen, 128 sites 1 engine temp column, 16 sites

Yes. 1 Map, Main 16 x 24 map, 24 row manifold pressure map, 24 row air temperature map, 24 row engine temperature map.

2 x fuel tuning map

No

Yes. 1 Map, Main 16 x 24 map, 24 row manifold pressure map, 24 row air temperature map, 24 row engine temperature map.

Ignition Map

1 screen, 128 sites 1 manifold pressure column, 16 sites

Main 16 x 24 map, 24 row manifold pressure map, 24 row air temp map, 24 row engine temperature map.

1 x Injection Map

Yes. 1 screen, 128 sites 1 manifold pressure column, 16 sites

Yes. 1 Map, Main 16 x 24 map, 24 row manifold pressure map, 24 row air temperature map, 24 row engine temperature map.

2 x Injection Map

No

Yes. 1 Map, Main 16 x 24 map, 24 row manifold pressure map, 24 row air temperature map, 24 row engine temperature map.

Narrow Band AFR modification

Yes.1 screen, 128 sites Only narrow band.

Yes. Main 16 x 24  map, 24 row manifold pressure map, 24 row engine temperature map for AFR modifications.

Wide Band AFR modification

No

Yes. Main 16 x 24  map, 24 row manifold pressure map, 24 row engine temperature map for AFR modifications.

Windows Software

Yes

Yes

LetRipp tuning software

No

Yes

USB tuning

No

Yes

Set Points

Yes. 4 selectable switch points, 1 output. These are all “OR” functions.

Yes. 14 selectable switch points, 3 outputs. These can be configured for “OR” or “AND” functions.

Map A/B switching

Yes

Yes

Map A/B switching via setpoints

No

Yes

Road Speed Control

Change road speed by a percentage. Limit the road speed to a set value.

Change road speed by a percentage. Limit the road speed to a set value.

No of Screens

3 tuning screens, 1 global settings and scale settings

9 tuning screens and 10 configuration screens

Recording

The SMT6 can record max RPM and max manifold pressure.

The SMT8 can record max RPM, max manifold pressure, max engine temperature and max air temperature.

Boost Control

Yes

Yes. 24 row manifold pressure target map, 24 row air temperature map, 2 x 24 row PWM map for low and high throttle positions

Closed loop Boost control

No

Yes

Boost control and injection

No

Yes

Settable fuel high and low limits

Yes

Yes

Missing tooth signal

Yes

Yes

Interlaced signals

Yes

Yes

Programmable cylinders

Yes

Does not need that info