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Super Shell guards against gum fouling for top engine power
Shell claims a tiny additive shields carbs from gum buildup, preventing fuel fouling and valve damage. It touts an oxidation inhibitor to keep unstable elements from polymerizing, plus a TCP additive boosting power and mileage. The bulletin highlights cat cracking, alkylate, butane and pentane components, anti-knock mixes, and carburetor anti-icer for cold starts, backed by Shell Research with 1,997 scientists.
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