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  1. Phenolic block/insulation spacer repair for round top carbs

    70-83 Tech Discussion Forum
    Hey everyone, Does anyone know of an effective way to repair minor fracturing in the phenolic blocks that insulate between roundtop carbs and the intake manifold? Mine have these fissures and I do not want to risk an air leak. The cracks do not go all the way through. Meaning, the blocks are...
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