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90OBS · 06-23-2020, 09:22 AM

Picked up a donor truck with a 6.0 litre with 72k on the ticker. Gonna swap into my RCSB. I am going to buy a harness and ECU. Give me your thoughts on your guys past experiences . I am down to 2 companies Fitech standalone ECU and harness and Holley Terminator X Max harness and ECU.

06-23-2020, 09:22 AM	#1
90OBS Registered User Join Date: Aug 2018 Location: Medina,Ohio Posts: 54	6.0 swap into 1990 RCSB Picked up a donor truck with a 6.0 litre with 72k on the ticker. Gonna swap into my RCSB. I am going to buy a harness and ECU. Give me your thoughts on your guys past experiences . I am down to 2 companies Fitech standalone ECU and harness and Holley Terminator X Max harness and ECU.