Start by getting a MSD BTM and setting your Base back to stock.
When you install the Walboro install a Nismo FPR.
Your smoking crack if you think a wideband is to precise to put off. Ether goto a tuner/dyno and get it tuned or get a wideband. Who knows what your mixture is now.
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Comments should be taken as Opinions not as Statements of Fact
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