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Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.
sorry if i came off ignorant, i should have phrased it more as a question than a comment. Is it a possibility to ground the O2's through the ecm by adding pins in the right spot of the ecm plugs?
Last edited by Ranger6202; 05-08-2013 at 04:06 PM.
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