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Reinforced Housing

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7. Here's our original, reinforced housing in bare metal. The plug welds are perfect. Prosch-Jensen filled in the big housing spreader bosses (used by the factory to install the differential) and completely welded the tube to the housings. The MIG wire he uses is an Esab high-silicon wire, which keeps a median temperature between the different cooling rates of cast and mild steel. Without the special (and extremely expensive) wire, the welds would pull away from one side of the joint and do absolutely no good.