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Topic: 96' 2.3 which oil? (Read 2140 times) |
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and11
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96' 2.3 which oil?
« on: Apr 1st, 2009, 7:22pm » |
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I have some oil from when i had a mondeo with zetec engine, can anyone advise if this ok for my scorpio? Its synthetic 5w40. Andy.
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wojtekor
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it's perfectly good. 5W40 is known as the FORD Oil as it was used by Ford in mid '90 in every car, the original Ford oil was made by the Castrol/BP group and it's the only oil advised for all Ford engines.
Now Ford has switched to 5W30 but most users still prefer 5W40...
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wojtekor
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OH! but don't try to use the oil you've got to do a refill as you can't be sure what kind of oil did the previous owner use...
mixing two different oil types can be deadly for you car.
better do a proper oil change.
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and11
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Re: 96' 2.3 which oil?
« Reply #3 on: Apr 1st, 2009, 8:23pm » |
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on Apr 1st, 2009, 8:11pm, wojtekor wrote:OH! but don't try to use the oil you've got to do a refill as you can't be sure what kind of oil did the previous owner use...
mixing two different oil types can be deadly for you car.
better do a proper oil change. |
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Oops, i just topped up a tad as it was very low, will do a change tomo, but need to do i 5 mile trip in meantime 
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wojtekor
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now that's not good... you need to drain it ASAP!!! if the the previous oil was a different type [most likely it was] within hours it can even turn into a jelly-like thing and then you're screwed and so is the engine...
i wouldn't take a risk if i were you. tomorrow you may not even be able to get this thing out of your car and will have to perform a major 'surgery' on the engine...
also after this mess up remember to change the oil filter
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and11
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Re: 96' 2.3 which oil?
« Reply #5 on: Apr 1st, 2009, 8:40pm » |
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Ok, i never knew this could happen and i've been known to top up like this in past when buying older cars was going to do an oil change anyways, thanks for info 
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wojtekor
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things like this happen when you mix different kinds of oil i.e. synthetic with mineral or semi-synthetic etc. it then turns into this jelly thing and can be deadly for the engine.
also you should never mix oils with different viscosity as they can 'separate' /like when you pour oil into water/ creating two layers, and in the end your engine will use only one layer which can be as much as one litre.
so although you'll be pretty sure that the oil level is sufficient your engine might not be able to use/access all of it and in the and get damaged...
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auntiephil
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Re: 96' 2.3 which oil?
« Reply #7 on: Apr 3rd, 2009, 9:41am » |
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this sounds like an april fool or a load of rubbish, ive never heard of this effect before, all engine oils come from the same place they are then modified to give correct grades,etc even fully synthetic has a mineral element to it , it is not completely man made.This is why you can upgrade to a better oil for fuel economy, when you drain the oil you can never completly get ALL the oil out, so a small mix is inevitable, or am i talking Bo***cks, comments welcome.phil
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martin_rowe
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Re: 96' 2.3 which oil?
« Reply #8 on: Apr 3rd, 2009, 10:59am » |
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mineral, semi & fully synthetic will all mix, as will different viscosity without any problems. but obviously will change the charicteristics or them.
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wojtekor
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seriously you can't mix different oils!
auntiephil sure you can't drain the oil in 100% and there's always something left. but what do you thing is the oil filter for?  besides things like this doesn't happen when you use the same type of oil.
Quote:| mineral, semi & fully synthetic will all mix, as will different viscosity without any problems. but obviously will change the charicteristics or them. |
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not true. try doing that like 1:3 and you've got a dead engine.
My gf killed our last car like that and it was just too expensive to strip down the engine to drain this jelly thing...
And that's when I got this useful knowledge from the BMW dealership.
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Highlander
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Re: 96' 2.3 which oil?
« Reply #10 on: Apr 3rd, 2009, 12:53pm » |
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Hmmm think you've got the wrong end of the stick from the BMW dealer, or maybe he was at it Never heard of this jelly effect.
I always thought it was ok to mix different oils as long they we for the same application, eg different makes of gearbox oil, I mean how many times must that happen that a garage or owner uses a different oil as to what is already in place, I've done it myself plenty times.
I had a search on the internet and can find no mention of any problems mixing different gearbox or engine oils.
The only thing I can find is problems from putting engine oil in your gearbox or vice versa..
using two different manufacturers gearbox oil should be fine.
I think maybe you've been MIXING your drinks Woj
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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wojtekor
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this jelly-thing i'm talking about is basically sludge.
i just did some reading about it myself and searched the polish Scorpio forum and found similar cases to mine with that BMW, when the oil was mixed it turned into sludge. Also found info that it's the most common problem with Audi, Chrysler, Volkswagen engines.
So the BMW dealer was nearly there when giving me the explanation of what happened.
Quote:| synthetic oils have been known to dislodge the baked-on deposits from mineral oils and leave them floating around your engine |
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and this crap turns into this jelly-thing i was talking about called sludge by pros.
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auntiephil
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Re: 96' 2.3 which oil?
« Reply #12 on: Apr 3rd, 2009, 5:17pm » |
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make up your mind , is it jelly or sludge? From what you say this is a problem only when people dont regularly change their oil,so,you will get all this sludge churned up adding a good oil, so what you told and11 was highly misleading.phil.
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wojtekor
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this sludge I'm talking about is a d**n jelly or at least it turns into it. and i'm not talking about cases when u don't change the oil regularly but when you top up with different kind of oil etc. thought that was pretty clear.
keep in mind that i'm no mechanic nor engineer nor chemist and everything i say is based on my unpleasant experience and what i've been told by the dealership specialists...
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Tons_of_fun
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Re: 96' 2.3 which oil?
« Reply #14 on: Apr 3rd, 2009, 6:12pm » |
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Dont know if this helps or not , but back in the days when i was a fitter for a plant hire company i had a bit of a problem with oil congeiling in very cold weather. This meant rattley engines for a few seconds until it circulated. The cure was to switch to 10w 30 oil instead of the cheap & nasty 20w 50 oil which was used in basically all of the fleet . When the old oil was drained it had a "runny treacle" feel about it. Must admit i've never heard of mixing minerals & semi synthetics causing cronic failure though. TBH with most of us clocking up over 100k i doubt it would make much difference, as long as it's clean & lubricates i would of thought it would be fine. People are recomending 0w 50 "magnatec"oil for my cossie, but at 136,000 miles im sure it would be money wasted. Would rather use a good quality semi synthetic of the same viscosity...But then again i am a tight a**e 
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rich1
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Re: 96' 2.3 which oil?
« Reply #15 on: Apr 3rd, 2009, 8:04pm » |
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but surely oil is oil , why would they be graded as ie 15/30 or 5w30 , .they are graded for each engine so it must be pretty much the same stuff whatever the brand................no?
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wojtekor
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on Apr 3rd, 2009, 8:04pm, rich1 wrote:it must be pretty much the same stuff whatever the brand................no?
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quite surely the brand makes no difference...
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Jonnycab
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Re: 96' 2.3 which oil?
« Reply #17 on: Apr 5th, 2009, 2:36am » |
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I've been using AC Delco 5W/30 fully synthetic for the last 60,000 miles (change it every 10K) in my 2.3. I used to find that the 2.3 engine had a bit of a 'tappy' sound to it, but since I've been using this stuff it's now quiet as a mouse & it's only around £20 a gallon. I would definately recommend it 
If your worried about sludge in the engine & the possibility of contaminating the new oil with whats left in the engine, then use a good engine flush like Wynns, STP etc, to get all the deposits out before you refill with new oil. I always use an engine flush before an oil change & let the oil drip for about an hour, so as to get as much of the old stuff out as possible
I hope this has been a little more constructive
Just to add.....not sure about oil turning to jelly when mixed, but I do know that it's not really a good idea to mix different grades of oil as you could end up with some kind of untested hybrid lubricant running around your engine ...Best to top it up with what you usually put in & if you want to change the grade, then do it at the next oil & filter change
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and11
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Re: 96' 2.3 which oil?
« Reply #18 on: Apr 6th, 2009, 4:23pm » |
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Anyways folks, i ran the engine cleaner for 15 mins and it all drained out fine, after a while i poured some of the new oil in to run through and it ran out almost clear, engine sounds quieter now anyway. Ive topped up many a time when buying a second hand car and never had a prob but i suppose it's always better to change oil.
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