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  1. J

    overheating

    350/5.7 chevy overheating changed inpeller in outbrive changed thermostat changerd waterpump checked risers and manifolds if i hook up garden hose to motor where water comes in from inpeller with out therostat in it runs at 130 when i check to see how much water the inpeller is pushing it is...
  2. J

    5.7/260 hp gm longblock overheating

    I have a overheating problem the first time out this year it ran great 2nd ime out it overheated (went up to 240) i shut it down right away I changed the thermostat.still overheats then i changed the impeller in outdrive still overheats took off waterpump and it looks good have a new one to put...
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