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05-19-2012, 12:30 AM
#
1
9Ball
Commander
Join Date: Jul 2011
Location: Port St Lucie, FL
Posts: 469
4.3 over heating
Anytime my rpm is above 4k eng over heats. 200 deg... below 4k temp goes down to 150
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05-19-2012, 12:56 AM
#
2
pascavone
Captain
Join Date: Nov 2010
Location: Massapequa, New York, United States
Posts: 762
could be a lot of things:
1. blockage in the raw water pickup.
2. collapsing hose under high suctions.
3. raw water pump impeller shot.
4. sticking thermostat.
5. bad vaccum advance on the distributer
6. timing.
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05-19-2012, 01:24 AM
#
3
9Ball
Commander
Join Date: Jul 2011
Location: Port St Lucie, FL
Posts: 469
Hoses going to the port manifold were hot and hoses going to the stbd were warm
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05-19-2012, 02:28 AM
#
4
pascavone
Captain
Join Date: Nov 2010
Location: Massapequa, New York, United States
Posts: 762
need more information, which hoses are we talking about?
05-19-2012, 03:02 PM
#
5
9Ball
Commander
Join Date: Jul 2011
Location: Port St Lucie, FL
Posts: 469
Found some trash behind this valave. Cleaned it out. Did a test run WOT for 20 min no over heating. Highest it got was 160
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