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Topic: Fully synthetic (Read 669 times) |
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Fully synthetic
« on: Jul 23rd, 2006, 3:34am » |
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My 2.3 is due for an oil change & I was going to put my usual Castrol GTX Magnatec 5/30 semi-synthetic in.
But I was wondering whether I should go for the fully synthetic option.
Does anyone else on here use fully synthetic?
If so.....
Is there a noticable difference?
Are the oil change intervals really longer (10,000 to say 15,000)?
How did you completely flush out all the old oil ready for the new synthetic?
I've also heard that once you change to fully synthetic then you can't change back,...true or false?
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Fully synthetic
« Reply #1 on: Jul 23rd, 2006, 7:41am » |
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hi there
i'm using fully synthetic now. very runny stuff, so watch for leaks.
can't say i've noticed much difference from using a quality semi-synthetic oil though.
only got it because national do it on offer for £25, changed.
i didn't do a flush, but my lpg keeps the oil very clean anyway.
hth
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mr._floppy
Junior Member
Posts: 100
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Re: Fully synthetic
« Reply #2 on: Jul 23rd, 2006, 10:04am » |
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I get the Semi-Synthetic Oil + Filter Change ( £20) from National.
Good value , in fact the slight timing chain rattle I
used to get on start up has disappeared since using
semi-synthetic.
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taliban aka Cheekyboy2
Senior Member
I'm a YaBB newbie!
Posts: 1552
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Re: Fully synthetic
« Reply #3 on: Jul 23rd, 2006, 7:45pm » |
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synthetic oil is more 'slippery', so much so that a lot of engine manufacturers dont advice using it until the engine has done 5000 miles, this is so the engine can 'bed in'. synthetic should give better protection during cold starting etc. it is better oil but how much better than a good quality semi is debateable. if you do your own changes there are a few companies on ebay that sell oil in larger sizes than the standard 5ltr at very good prices.
engine flush is mainly a thinner oil that breaks down the old oil in the engine.
i normally add the flush, run the engine up to normal temp, turn it off and leave it for 15 mins then drain. i'll leave it to drain for as long as possible while doing other stuff before re filling.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Fully synthetic
« Reply #4 on: Jul 23rd, 2006, 7:59pm » |
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Changed it now & stuck to the usual Magnatec 5/30 semi-synthetic as Halfords were doing 25% off, so 4.5 litres was £20.
Also used my usual Wynns engine flush.
Maybe next time I'll think about the fully synthetic.
With the amount of miles I do then that will be in about 3-4 months. 
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Octavian_P
Senior Member
 
Posts: 1126
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Re: Fully synthetic
« Reply #5 on: Jul 23rd, 2006, 8:10pm » |
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I use full synthetic oil in my 2.3, i can say it was a bit of improvement, the engine is more silent and starts better. Also it is said if the engine has a lot of wear, the thiner synthetic will get "eaten" slowly by the engine. Mine didn't "ate" a drop 
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2.0 16V Ultima|2.3 16V Ghia|2.9 24V Cosworth Ghia
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taliban aka Cheekyboy2
Senior Member
I'm a YaBB newbie!
Posts: 1552
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Re: Fully synthetic
« Reply #6 on: Jul 24th, 2006, 5:47pm » |
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jonny, if you change oil often have a look on ebay, the oil works out a lot cheaper if you get in bulk.......
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Fully synthetic
« Reply #7 on: Jul 24th, 2006, 11:30pm » |
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Cheers Taliban for the advice, but being self employed, whatever I spent on oil (well, anything for the car really) is tax deductable. So it doesn't really matter what it costs me 
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dxt
Junior Member
I'm an oldie.
Posts: 66
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Re: Fully synthetic
« Reply #8 on: Jul 31st, 2006, 5:55pm » |
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Hi .... Stick with Fords own 5..30. and a Ford filter. £20.00 for both from Ford dealers. My scorp purrs like a kitten with it.
Cheers d.x.t
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a900one
Full Member
A scorpio is for life not just for christmas
Posts: 980
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Re: Fully synthetic
« Reply #9 on: Jul 31st, 2006, 6:35pm » |
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I have used Halfords fully synthetic for a few years in my Granada scorpio and I now use it in my 98 cosworth. Change the oil after about 2000, as it will wash out a lot dirt, then change as you normaly do. I find the oil stays cleaner longer and possibly a few more miles per tank.
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