Frequently Asked Questions

A list of questions that come up from time to time.

List

Yes, you can make a credit card payment without needing a PayPal account. We utilize PayPal as our credit card service provider, and no PayPal account is required to complete your payment.

The difference: The M.F. Adapter replaces the factory ECU (i.e. engine control unit) and plugs directly into the Holley without the need for rewiring. This means that your factory wiring, including gauges, A/C, electric fans, and fuel pump, remains intact, eliminating the need for additional work.

Yes. We now offer a bypass harness that will allow you to run a Holley Dual Sync. MFAdapter Ignition Harness

Yes. The latest product release includes support for the Continental 13577379 flex fuel sensor.

Yes. Our sub-harness will come with connections for Oil Pressure, Fuel Pressure, External Manifold Air Pressure, and Flex Fuel. Our sub-harness is configured to accept Low Doller Motorsports sensors for Oil Pressure, Fuel Pressure and External Manifold Air Pressure. For the Flex Fuel Sensor it is setup to use the Continental 13577379.

Yes. The M.F. Adapter allows you to keep your original stock sensors. However, you will need to remove the factory oxygen sensors and replace with the standalone ECU's recommended wideband oxygen sensor. If your original configuration had a Mass Air Meter it can be removed as long as the Intake Air Temperature sensor was not part of it. Whether it is or isn't a part of the Mass Air Meter depends on your make and model.

We offer a service that goes through your factory wiring and we refresh/restore them to like new condition.

Yes. We are always looking at the market to see which make and model would benefit from this setup.

Yes. M.F. Kustoms will provide custom wiring services for the Chevy LS swap that allows you to use Holley wiring. We modify your car's factory wiring and integrate both systems together which enables your car's gauges and accessories to continue functioning.