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tlsecrest 
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Joined: July-29-2009 Location: Duncan Status: Offline Points: 20 |
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 Topic: motor oilPosted: April-19-2011 at 10:30pm |
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I have an 87 Martinique. Ford 351. I plan on putting Mobile 1 5w20 fully synthetic oil in it. Does anybody see a problem with that?
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: April-19-2011 at 10:35pm |
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Oh wow!!!!!! Yes, there is a problem!!!! It's far from what that flat tappet engine needs. You can do a search on site and read all about the importance of ZDDP.
I must ask, who told you to run the 5W20 synthetic? |
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sweet77
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Joined: January-06-2011 Location: Florida Status: Offline Points: 666 |
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Posted: April-20-2011 at 12:20am |
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Rotella T straight 30w with a motorcraft filter
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skicat2001
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Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Posted: April-20-2011 at 12:30am |
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I been told 20w 50. and a fram filter...
  just kidding boys...
I heard these ol long stroke motors do better with a heavier weight motor oil. Hope this helps |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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sweet77
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Joined: January-06-2011 Location: Florida Status: Offline Points: 666 |
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Posted: April-20-2011 at 12:47am |
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HERE
Here is the difference between flat tapped and roller.. however i am a HUGE mobil 1 fan love there motor oil however rotella t is in my boat but if your stuck on mobil 1 theyoffer a number of oil products which are higher in phosphorus. Mobil 1 15W-50 (1,200 ppm), Mobil 1 0W-40 (1,000 ppm) and Mobil 1 High Mileage 5W-30, 10W-30 and 10W-40 (900 ppm). |
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tlsecrest
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Joined: July-29-2009 Location: Duncan Status: Offline Points: 20 |
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Posted: April-20-2011 at 1:15am |
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last year I ran a mobil 1 10w40 synthetic. I just happened to have a 5w20 synthetic. Wasn't sure if it would make a big differnce or not. Probably stick with the 10w40.
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: April-20-2011 at 1:26am |
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Do you get points deducted for a new oil filter? I hope not,I can't afford an original
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: April-20-2011 at 9:36am |
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holy chit, 269 bucks....
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"the things you own will start to own you"
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levinmark
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Joined: November-11-2010 Location: illinois Status: Offline Points: 375 |
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Posted: April-20-2011 at 10:37am |
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Tim,
I opened that can of worms a few months back, you can search for "Oil reccomendations" under my username and see how heated this topic can get. Personally, I have always used Mobil 1 myself, in all my vehicles. But chose not to in the Nautique. After listening to these guys on there input, I used the Valvoline VR1 20w-50 Racing Oil. It is specific for the flat tappet cams and is highly reccomended by most on this site. Take a look at that post, these guys know there stuff! |
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levin
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Mick88
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Joined: April-04-2011 Location: Birmingham, Ala Status: Offline Points: 14 |
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Posted: April-20-2011 at 1:04pm |
running at 160 to 170 degree heat range your motor never gets that hot. A straight weight is what most are running since you never see 210 degrees. SAE-30,5w-30 and 10w-30 are all 30w at 210 degrees. But at 160-170 they are 5w 10w and 30w. Oil lubricates your engine, not additives. ( insert girl friend joke here)
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sweet77 wrote: