Semi- Or Full Synthetic Oil....?

Semi- Or Full Synthetic Oil....? Which one/difference

#1 Sire_LoveLace

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Posted 07 January 2007 - 05:48 PM

Hey!

Been searching around the forum for this but couldn't find answer...

But what is best for the 1,7 Puma; semi-synthetic or fully synthetic oil...?

What is the difference between the two..?

Thanx a lot... LL

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#2 eldoodarino

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Posted 07 January 2007 - 06:32 PM

this has been debated many a time now....

there is much difference of opinion on this subject....

The standard stuff which Ford recommend is 5-30 semi (ideally A3 B3 spec)....

Personally i prefer somthing a bit more up market for my car... i have used Mobil1 0-40 fully Synth for many years now and found it to be a fantastic product...

Chris
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#3 Guest_XIIVVX_*

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Posted 07 January 2007 - 06:42 PM

The handbook recommends semi-synthetic.

I work on the assumption that the manufacturer knows best.

XIIVVX

#4 bagheera_black

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Posted 07 January 2007 - 06:59 PM

Very few manufacturers state the need for a fully synthetic oil. The recommended 5-30 is the way to go, but I have used fully synthetic oils before (in other cars stating 10-40) and have found using them OK. I've yet to have an engine failure, but I've never gone past 140,000 or so. It may be just me, but the Toyota 3S-GE engine (older celicas/mr2s/many others!) always felt and sounded better on fully synthetic. I think the recommendation is designed to meet the minimum standard required to guarantee the longevity. If you change the oil more often than the recommended period/miles, it's probably an expensive way to feel you are looking after your engine. I have halved the 12K/12month change on my family diesel because more and more people seem to prescribe to the theory that even though engines are getting better and better, it can't hurt to put clean oil in more often. I am not planning to go fully synth on the Puma, I'll just change it every 6 months instead.

#5 Guest_XIIVVX_*

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Posted 07 January 2007 - 07:22 PM

QUOTE (bagheera_black @ Jan 7 2007, 06:59 PM) <{POST_SNAPBACK}>

I'll just change it every 6 months instead.

I change it every 6,000 miles, so about every four months for me.

XIIVVX

#6 Sire_LoveLace

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Posted 08 January 2007 - 02:05 AM

mmm.. thanx guys... based on your answers and the post I found I guess it's a matter of personal taste...

Gonna give it a good old 5W-30 semi for now...

Cheers... -LL

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#7 specky1

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Posted 08 January 2007 - 08:53 PM

Article on the Honest John site urges great caution before switching to fully synthetic -something about F/S could damage the coatings on the bore liners -don't know how though -I'll stick with the stuff recommned in the handbook myself.

#8 Copestake

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Posted 08 January 2007 - 09:37 PM

Â£30 worth of oil has leaked in my boot, forgot to take it out after I topped up and didn't go in the boot for awhile, I need a floor mat

#9 Guest_XIIVVX_*

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Posted 08 January 2007 - 11:05 PM

Look on the bright side.

You shouldn't have any problems with the boot floor rusting.

XIIVVX

#10 Sw33t

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Posted 09 January 2007 - 10:46 AM

I will stick to using 5W-30 semi

#11 FRP #148

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Posted 09 January 2007 - 12:35 PM

I work at a ford garage and you should use 5w30 which is semi,
fully synthetic oil is too thick hope that helps!

#12 Sire_LoveLace

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Posted 09 January 2007 - 12:45 PM

Thanx for all your answers guys.. know it's been here a couple of times...

Nice to get know if it's okay to use full synthetic oil or not..

Cheers - LL

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#13 MattC

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Posted 09 January 2007 - 02:54 PM

QUOTE (XIIVVX @ Jan 7 2007, 06:42 PM) <{POST_SNAPBACK}>

The handbook recommends semi-synthetic.

I work on the assumption that the manufacturer knows best.

XIIVVX

Does it not matter that oil technology has changed a lot since the manufacturer wrote the guide?
Same as petrol - the guide says not to use fuel with additives, but nearly all fuel has additives out of the pump these days.

#14 sleeky

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Posted 09 January 2007 - 05:05 PM

The way i see it ford is recommending semi-synthetic, and nothing less. But im sure theres no harm in running a high quality synthetic oil in its place, your just running something that costs more to buy, remember every car is built to a budget and this will including servicing costs, etc... I see no harm in upgrading to a fully synthetic oil other than in theory it will protect the engine even more.

Does oilman (opie oils) come on these forums? What he don't know about oil aint worth knowing, lol.

Lee.

Ford Puma 1.7

#15 Turby

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Posted 09 January 2007 - 05:12 PM

I use the ford recommended semi-synthetic oil (Texaco equivalent) and change it approx every 500 miles which includes around 50 miles of "hard" (ab)use

A little knowledge is a dangerous thing (Alexander Pope - 1709)
Stop being spoon fed and GOOGLE it!

#16 Guest_XIIVVX_*

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Posted 09 January 2007 - 05:17 PM

Listen, you are all at liberty to pour whatever you like into your cars

A number of people here use high octane fuel. There is no point, it does not provide any more power, or flexibility, or smoothness or make you more attractive to women. It just empties your wallet faster.

Now there may possibly be some advantage to fully-synthetic oil. Perhaps your piston ring will shred itself to destruction at 189,000 miles instead of 182,400.

Who cares?

For the length of time that most of us will own the car, and to all practical purposes it makes no difference.

Use the extra money to pour fuel (Supermarket basic will do) into the hole in the back and go out for a drive - that's what to do with money that's burning a hole in your pocket - not 'snake oil' premium products that are 'better' than the car requires or will benefit from.

XIIVVX

#17 Sw33t

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Posted 09 January 2007 - 05:20 PM

Well said ^^

#18 brainstormer

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Posted 09 January 2007 - 11:32 PM

In Germany you pay for semy synthetic 5w-30 at Ford's about 9.20€ per Litre.

Mobil 1 0W-40 can be get for about 7€/Litre at oil-center.de

and the Megol oil that I use (fully snthetic 5W-40) can be get for 5€/Litre at oil-portal.de

Ford's oil fullfils only Acea A1/B1 standard, the other two oils Acea A3/B3 and Porsche standards, by lower price.

Why use Ford's 5W-30?

Additional to that the statement that fully synthetic oils are too thick is unlogical und in my opinion not correct.

When the oil's cold, the 0W-40 is more thin fluid than 5w-30.

Cold 5W-30 is much thicker than warm 0W-40.

This post has been edited by brainstormer: 09 January 2007 - 11:36 PM

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