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Recent content by ralphs

  1. R

    Exhaust manifold hot spot

    I have 1985 454 model 350 engines FWC. Around 700 hours. Stbd engine was running 15-20 degrees hotter than port engine. I replaced the raw water impeller (found one torn vane) and U-Cooler, and that helped, now running 10-15 degrees hotter. I used my IR gun to check various temps and found...
  2. R

    U Cooler leaking from Zinc

    I have been reading the forum for a few weeks and really appreciate all the good advice. I have a 1985 Californian with twin 454 Crusaders (model 350). Fresh water cooled with around 650 hours. The starboard side runs 15-20 degrees hotter at cruise (190-200 on dash gauges, vs 160-170 for...
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