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Old 01-12-2013, 04:58 PM
99 V10 99 V10 is offline
Dodge Ram Forum Senior Member
Join Date: Nov 2012
Posts: 110
Gender: Male
Vehicle: 1996 SLT
Trim Level: SLT
Engine: 1994-2001 488ci (8.0L) LA V10 300 hp 450lb/ft
Rep Power: 0
99 V10 is on a distinguished road

These trucks use the same Thermostat as the diesels. They are slow opening, If you read about the V10s cooling & oil were a part their design that were thought out at great lengths.
I would say it is a faulty thermostat. They are not cheap as I remember. So buy an OEM or from NAPA or Carquest. Don't buy the crap from AutoZone or OReillys. Be sure to also get a thermo gasket.
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