aem
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Which AEM Wideband for 87GN - 30-4110 or the 30-0300?
I am just trying to decide which is the best wide band for my 1987 GN. Any opinions or advice between the AEM 30-4110 or the 30-0300 (X-series) would be greatly appreciated. Not looking to data log rather just want to keep an eye on the air/fuel. Car is a show car and cruiser that sees some...- MCF87GN
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- aem wideband
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- Forum: General Turbo Buick Tech
