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Old August 3rd, 2009, 12:37 AM   #1
84mudder
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Default engine oil types

i have heard many opinions on this subject. I have a 302 from a marine boat forged pistons cam 4bbl etc. Its in a truck now. They say if the engine is burning a bit of oil to run thicker oil.

Currently am running 10w30 in my 302 and she burns a bit, not 2 much. Is it worth trying to run like 20w50? I have read online and apparently it's fine. Anyone try this? Also what about straight 30w oil? Just curious what you all run in your ford v8's and what is safe for summer time? No major engine wear on this engine, right now it makes 60psi at startup, 30psi cruising down the road, and 20psi at idle @ 850 rpm
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Old August 3rd, 2009, 01:15 AM   #2
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good question got the same thing goin on w my zj. i went up to 40 weight. helped a little bit
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Old August 3rd, 2009, 08:01 AM   #3
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Well, you obviously can not run 20w-50 in the winter. I would try 10w-40 and see if that makes any difference. A friend of mine runs 15w-40 in his truck, but it doesn't start real well in the winter. FWIW in my Ford marine engine I run 25w-40 but the boat is only used in warm temps.
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Old August 3rd, 2009, 08:03 AM   #4
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I just put Rotella T in my 360 it still kills all the bugs in a 10 mile radius when I start it and burns a gallon a tank or so...
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Old August 3rd, 2009, 11:51 AM   #5
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i have tried 10w40 before it didnt really do anything. My father runs straight 30 in a old chevy inline 6, its what calls in the manual. Im not sure if this is safe on a Ford 302, maybe 20w50 is what i will do next. I read on a couple websites and they were saying if the 10w30 or 10w40 dont work then step up to 20w50.
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Old August 3rd, 2009, 11:55 AM   #6
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I Run 15-40 In All Of My Trucks All Year Round I Dont Have Any Start Up Trouble In The Winter I Have Great Oil Pressure.
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Old August 3rd, 2009, 12:01 PM   #7
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I Run 15-40 In All Of My Trucks All Year Round I Dont Have Any Start Up Trouble In The Winter I Have Great Oil Pressure.
cool thanks do you have the 302 in any of your Ford trucks? Maybe ill try that step next so its not 2 radical of a change.
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Old August 3rd, 2009, 12:04 PM   #8
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Yeah A 1994 302 It Boost The Pessure Up A Bit It Is Great Oil Cause It Also Has Detergents More Than Normal Oil Cause That Oil Is Meant For A Dirty Diesel
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Old August 3rd, 2009, 12:05 PM   #9
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thanks, whats your psi at startup and at idle?
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Old August 3rd, 2009, 12:05 PM   #10
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Put in 20 - 50 with a can of restore, be sure to shake the can real good.
This shold seal your rings & gap the mains a little.

Always use Restore in you oil changes on old FOrd stuff till oil pressure goes up to 40 or better.

Steal some of dads 30w that will help too & it is free.

That does not work use Hypoid 85wt gear oil 1 qt & 1 qt type F trans. & wheel the piss out of it. With your oil change.

Or use Lucas in your oil change. All this works for engins that have sat for 10 plus years.
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Old August 3rd, 2009, 12:05 PM   #11
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I have a marine 351W GT40 crate motor in my 73 Bronco and have been running Castrol Syntech 10W40 in it since new. In some of my older 302's I used to run 20w 50 with no problems. I think I saw your truck running down Union Lake rd last week.
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Old August 3rd, 2009, 12:08 PM   #12
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thanks, whats your psi at startup and at idle?
WELL FORD IS STUPID AND THEY HAVE THE BAND THAT SAYS NORMAL AND ITS BETWEEN THE R AND M THE MOTOR HAS 150,000 ON IT TOO
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Old August 3rd, 2009, 12:11 PM   #13
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20w-50 is going to kill performance and it will not run well in the winter. Straight weight wont do anything unless it only burns oil at start up, it still wont be good in the winter.
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Old August 3rd, 2009, 12:18 PM   #14
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winter time is not a concern since i will only be driving the truck in the spring-fall months. Seems like everyone has a different opinion, maybe ill start simple be adding a quart of lucas to a fresh oil change of 10w30
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Old August 3rd, 2009, 12:19 PM   #15
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anyone use z-max to restore metals? Sorry off topic.
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Old August 3rd, 2009, 12:26 PM   #16
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Quote:
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winter time is not a concern since i will only be driving the truck in the spring-fall months. Seems like everyone has a different opinion, maybe ill start simple be adding a quart of lucas to a fresh oil change of 10w30
rotella t does the same thing your can get a gallon plus one quart and a filter for 18 bucks cant beat it lucas is 10 bucks or so
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Old August 3rd, 2009, 12:31 PM   #17
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Use the Restore & 20 50w that thing is loose, It burns oil in the left bank might be time for a valve job. That will not cure the low oil psi when you are @ idle & 200 degrees mid summers day. 10w 30 will slip right past everything.. The good thing is you will always have new oil. Just change the filter every 3 months.
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Old August 3rd, 2009, 12:33 PM   #18
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Quote:
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anyone use z-max to restore metals? Sorry off topic.
Carrol Shelby ,, get some Restore it works great.

had an old 302 that was raced to death w 10 psi when warm & a rod knock. Put in 2 cans of the Restore & it had no knock & 40 psi @ 200, drove it for 2 more yaers..
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Old August 3rd, 2009, 02:05 PM   #19
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i saved that bronco 2 i had with 1 qt lucas with whatever oil i had...ran for along time til she blew up.
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Old August 3rd, 2009, 03:47 PM   #20
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Just run 15w40, you could go with rotella T but when I did it made the mains rattle a little, so I just run some cheap stuff, but thats a ford for ya. I have a 96 f150 351w with 130,000 miles

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