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#4808541 - 07/08/18 05:58 PM Change now or wait another year?
jongies3 Offline


Registered: 03/11/16
Posts: 846
Loc: MT
I have a 1997 Ford F250 7.3 PowerStroke and it's strictly used as a work truck for towing and hauling whenever I need it, rest of the time it's parked. Needless to say, it doesn't rack up miles fast. Last August, I changed the oil from conventional 15W-40 to synthetic 5W-40 and installed a orange Fram PH3786 filter. Coming up on the year anniversary in a few weeks and just barely over 2k miles on the change, oil is still relatively clean on the stick. I'm assuming this combination can easily do 5k miles, being synthetic and a quality filter. Should I change it or run it another year and then change? If there's no need to spend the money I'll save it for something else the truck needs like a coolant flush before winter! Oil used was Rotella T6 if that means anything. Thanks in advance!
_________________________
2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM TG-3600 filter
1996 Ford Contour 2.5 V6 QSGB 5W-30, MC FL-500S filter

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#4808548 - 07/08/18 06:01 PM Re: Change now or wait another year? [Re: jongies3]
2015_PSD Offline


Registered: 09/26/10
Posts: 7341
Loc: SE Texas
I would keep rolling. You have a full synthetic in the sump with minimum miles on it and diesels **normally** do not suffer from acid build-up like gasoline engines do.
_________________________
2018 MB AMG GLC43 3.0L Coupe - M1 0W-40/OEM
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU

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#4808559 - 07/08/18 06:12 PM Re: Change now or wait another year? [Re: 2015_PSD]
Kira Offline


Registered: 08/19/10
Posts: 5424
Loc: Champlain/Hudson Valley
I'd wait the year.

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#4808565 - 07/08/18 06:22 PM Re: Change now or wait another year? [Re: jongies3]
Rand Offline


Registered: 08/20/03
Posts: 12726
Loc: NE,Ohio
Since its not short tripped, I would think it should be fine.. maybe change it next spring.
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2019 Jeep Cherokee Trailhawk 2.0T

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#4808587 - 07/08/18 07:07 PM Re: Change now or wait another year? [Re: jongies3]
walterjay Offline


Registered: 04/12/09
Posts: 248
Loc: Maryland
I would wait another year. It would be wasteful to change imo. I have a pickup truck in a similar situation. I am going 3 years before I change.

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#4808603 - 07/08/18 07:23 PM Re: Change now or wait another year? [Re: jongies3]
jongies3 Offline


Registered: 03/11/16
Posts: 846
Loc: MT
Thanks fellas, one more year it is! I figured it would be okay but decided to ask the experts first! cool
_________________________
2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM TG-3600 filter
1996 Ford Contour 2.5 V6 QSGB 5W-30, MC FL-500S filter

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