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  1. R

    P/S pump upgrade??

    I have a 97 Explorer 5.0 engine in a 71 Bronco. I'm running a Hydroboost system and P/S all off the stock P/S pump. It whines as the engine climbs through the RPM range. It's quite at idle and mild crusing and reving. I'm thinking the system has it over loaded. Where can I get a replacement...
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