Switching to Synthetic Oil - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 10-28-2013, 12:13 PM Thread Starter
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Switching to Synthetic Oil

All, I recently deleted my truck to the likings of a Mini-Max (running HD300 tunes), 5" turbo back Flo-Pro, EGR delete, coolant flush and filter. I'm due for an oil change and wanted to know if it would benefit the truck to switch over to synthetic oil. Currently I am running Rotella 15w-40, but I was told before switching oil before a delete is pointless. Well now that I'm deleted should I make the switch? What would be the new benefits?

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post #2 of 5 Old 10-28-2013, 02:11 PM
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I'm not sure about the benefits but I run rotella T6 5W-40. The truck seems to like it.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #3 of 5 Old 10-28-2013, 02:15 PM
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I know that in my 6.0 it made a HUGE diffrence in the cold morning starts. But like I said thats in a 6.0.

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post #4 of 5 Old 10-28-2013, 08:40 PM
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Im a believer in the Syn, esp in the cold climate im in. So id say yes to you inquiry.

2008 Job 3, F350, 6.4/drw/lariat/CC/LB, Spartan, Viper 5902, Line-X, Flo-pro egr delete, aFe stage 2 proguard 7, MBRP Cool Duals/downpipe/CAC, CCV mod, coolant filter PMF 7" 4link, Rigid Dually fogs, Royalty Core 3pc, Crown brake lines, Mishimoto Rad
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post #5 of 5 Old 10-30-2013, 07:56 PM
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Well, synthetic is better in pretty much all aspects.

I run T6 Rotella in 5/40 and with religious Blackstone oil reports Ive been able to extend my oil change intervals to 12K miles. (I actually save money running synthetic for 12K miles compared to running conventional for 3K miles) Mind you I don't recommend jumping to a 12K interval without doing a few oil reports as it will really depend on the truck as to how far you can stretch the intervals. If your interesting in running a longer interval, go a bit longer say 4500/5K miles then send in for an oil report and go from there.

When I lived in Iowa it really did help with cold weather starting as well. Also you'll have to get synthetic significantly hotter, compared to conventional, before it starts breaking down.

I run synthetic for two main reasons, #1 Better protection, #2 Extended drain intervals.

You won't see any real noticeable difference in daily driving, MPG etc etc. But IMHO it will make a big difference in the longterm health of your engine.

That being said, if you stick to 3K miles oil changes I don't see much reason to go synthetic as it is significantly more expensive. But if your going to run longer than 3K intervals I would go synthetic.

2008 (Job 1) F250 King ranch 4x4, snow plow prep package with 2.5 level. Black Maxx, B&W Diehard platinums. Dieselsite coolant and transmission filters, NCU Motorsports/amsoil oil bypass kit. Turbo blankets, 5.5 PMF traction
Please collect and message me Shell, Rotella oil cap codes aka "my miles matter" I'm trying to save up for a hat or something.
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