Thermostat '01.5

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02-09-2008, 06:04 PM

SIXSLUG

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Thermostat '01.5

I asked this before but didn't get many replies. My truck calls for the 190F thermostat. Is there any advantage to changing to a 180F? Thanks, Kurt

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02-09-2008, 06:48 PM

robert78.5

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Leave the 190 in, it is better for the engine to run warmer than cooler.

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02-09-2008, 10:40 PM

Clunk

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I agree, diesels need the heat to get the heavy fuel to somewhat vaporize.
There's no advantage to 180F thermostats.
I got mine from the local Cummins shop... gave them the engine number to get the exact piece.

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02-10-2008, 02:00 PM

SIXSLUG

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Right on, thanks for the replies guys. I'll stick with the 190F. Kurt

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