1990 Chevy 454SS truck runs hot and the oil pressure drops.

10,000 MILES
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MARSHALL LOTT
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  • 1 POST
This truck ran great till the intake manifold was changed, It carried 45 PSI oil pressure and ran at 190 degrees til they worked on it. The engine has about 10K miles since major rebuild. New radiator and changed the thermostat 3 times Any ideas out there?
Nov 11, 2011 at 3:29 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the oil pressure with a mechanical gauge to rule out the oil pressure sending unit, oil pump and engine bearings-
Nov 11, 2011 at 3:39 PM
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