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#3264881 - 01/30/14 01:05 PM Re: Oil recommendation [Re: wckelly]
wckelly Offline

Registered: 01/27/14
Posts: 6
Loc: MS
I think it's settled, I'm swapping to Mobil 1 Syn High Mileage 5w-20. Is there a best practice for swapping from Conventional to Synthetic? Does it matter? I'll be draining Mobil 1 Super 5000 conventional and replacing with synthetic, any problems with new syn oil mixing with the old conv oil left behind?

Looks like the consensus is to NOT put seafoam in the crankcase and just let the oil help keep the engine clean.

Fuel additive suggestions seem to lean towards techron or gumout. I've used techron for years and will start adding to fuel system again. I do still plan on using seafoam occasionally though the vacuum line as a direct treatment to the engine.

#3329301 - 03/31/14 03:45 PM Re: Oil recommendation [Re: wckelly]
wckelly Offline

Registered: 01/27/14
Posts: 6
Loc: MS
I've been running Mobil 1 Syn High Mileage 5w-30 for about a 1.5 months now and I'm noticing quite a bit of blueish smoke when I first crank my truck. I'm assuming that since this is a thinner oil than what I was using and seals having some wear on them is the reason... Should I be concerned at all? It hasn't affect oil levels yet but I don't think it's been long enough for that. Should it eventually (and hopefully) stop if the high mileage additives actually work properly on the seals? I'm about to be changing plugs, COPS, fuel filter, etc... Was curious if I should do anything to address this.


#3329399 - 03/31/14 05:06 PM Re: Oil recommendation [Re: wckelly]
Wilhelm_D Offline

Registered: 01/28/09
Posts: 818
Loc: Tacoma, WA
Originally Posted By: wckelly
Thanks for the suggestion so promptly... Just out of curiosity, why? I understand the oil recommendation but why motorcraft over fram filter and why no seafoam in crankcase? Would anything be good in the crankcase to remove unwanted materials not disposed of by just pulling the drain plug?

A high quality motor oil removes unwanted materials not caught by the filter when you pull the drain plug.

Inexpensive Fram filters, and Ecore Champion-made filters, look pretty chintzy when disassembled, with lots of glue and cardboard.

However, they do seem to filter okay.

Motorcraft and its factory brothers, Purolator and Bosch, contain a lot more metal and quality parts. Whether the oil knows that is another matter.

#3330044 - 04/01/14 08:08 AM Re: Oil recommendation [Re: wckelly]
wckelly Offline

Registered: 01/27/14
Posts: 6
Loc: MS
At what point should I be concerned with burning a little oil at start up? How much is considered too much oil to add between changes?

#3330164 - 04/01/14 09:59 AM Re: Oil recommendation [Re: Ramblejam]
NormanBuntz Offline

Registered: 07/27/13
Posts: 738
Loc: Coastal NC
Originally Posted By: Ramblejam

Hello, and welcome to the forum!

Get rid of the Engine Restore, Fram filter, and Seafoam.

Mobil Super High Mileage and a Motorcraft filter would be appropriate for both.

Agreed, with QS Defy as a second option. It may be a wive's tale, but Engine Restore has a reputation for being harsh and a last resort.
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