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  1. Engine replacement for '05 Envoy XL SLT V8

    OEM Issues
    I have a '05 Envoy XL SLT V8 5.3l and now I am getting a clunking sound when the engine revs up as well as can stall while ideling. My oil pressure is also low and rises when engine is engaged. From what I gather it is most likely the rod / bearing? My mechanic said all new engine and would be...
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