Executive order
D-644
Thunder Heart Performance Corporation
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 309-370 & 309-373 | 2001 to 2006 model year Harley Davidson motorcycles, which are not equipped with oxygen sensor | The Thunder Max includes the following main components: Replacement ECU, two Bosch heated oxygen sensors, and a sensor control module. Each oxygen sensor is installed in the head pipe 4 to 6 inches from the cylinder head, similar in location and orientation as the late-model Harley Davidson motorcycles equipped with oxygen sensors. User adjustments on ECU can only be made on non-emission related parameters, and on air/fuel ratio and spark settings at high throttle conditions only. The Thunder Max is designed to replace the stock open loop fuel controller with a feedback controlled fueling system using the stock fuel injectors |