Technical What oil for 100HP engine?

arc · Jan 31, 2009

hi panda people

I have one of the 1368cc 16v engines in my cinquecento, and am just wondering what oil you guys use in your engines. My old engine was very happy with magnetec 10w40

HP · Jan 31, 2009

Fiat say 10w40 Selenia 20K, but it's the same engine in the Grande Punto for which Fiat state Selenia K 5w40.

arc · Jan 31, 2009

okie kokie. the usual it is then

the GP has a variable cam timing doo-darr, so that is probably why it's spec'd with thinner oil.

HP · Jan 31, 2009

It's also on longer service intervals iirc, could be linked.

babbo umbro · Jan 31, 2009

Picture of engine bay is not terribly clear - but that looks very like a single cam (?1108cc) FIRE engine to me. How easy is it to squeeze the 1368 with wider twin cam head into the Cinquecento engine bay?

KozmoNaut · Jan 31, 2009

5w40 is only thinner than 10w40 when cold, leading to better lubrication until the engine reaches operating temperature, at which point both oils are of equal viscosity.

The best oil for the 100hp engine would be a fully synthetic 0w40, if you're willing to pay for it, and for the marginally better lubrication over say, a 5w40.

arc · Jan 31, 2009

the fully synth 0w40 was bordering on double the price of the 10w40 magentec, so i went with the magnetec.

babbo umbro said:
Picture of engine bay is not terribly clear - but that looks very like a single cam (?1108cc) FIRE engine to me. How easy is it to squeeze the 1368 with wider twin cam head into the Cinquecento engine bay?

the stock engine in a cinquecento is the 1108cc single cam engine. It is a squeeze to fit the 16v, but it's doable with the right bits and some help off the angle grinder

https://www.fiatforum.com/cinquecento-seicento/176286-my-1-4-16v-cinquecento-development-thread.html

PNL · Jan 31, 2009

Found another oil Arc and you can get it from the dealers and shop4 parts..its called Telula Jarama..made by selena as well and the taxi drivers use it a lot..10w 30 semi as well and cheaper than the 20k..my dealer said it was the best kept secret ever..

http://www.shop4parts.co.uk/index.cfm?action=catalogue.list

babbo umbro · Jan 31, 2009

"the stock engine in a cinquecento is the 1108cc single cam engine. It is a squeeze to fit the 16v, but it's doable with the right bits and some help off the angle grinder"

Yes - I know what engine the Cinquecento Sporting has - I was pointing out that the original picture of the engine bay still has that engine in it. Second pic is more convincing and car must be a real bolide.

dave · Jan 31, 2009

arc said:
okie kokie. the usual it is then

the GP has a variable cam timing doo-darr, so that is probably why it's spec'd with thinner oil.

no its because fiat revised the oil used in all fiat 16v super fire to 5w because of the tractor noise on cold starting

arc · Feb 1, 2009

babbo umbro said:
"the stock engine in a cinquecento is the 1108cc single cam engine. It is a squeeze to fit the 16v, but it's doable with the right bits and some help off the angle grinder"

Yes - I know what engine the Cinquecento Sporting has - I was pointing out that the original picture of the engine bay still has that engine in it. Second pic is more convincing and car must be a real bolide.

yeah, the smaller pictures are my sig images. i wasn't posting them to show the engine bay. That engine bay picture is old, hell it's still single point injection and i binned that 2+ years ago. Car isn't on the road yet (awaiting supersprint exhaust manifold) but when it's done, it's going to be fun

BenP · Feb 1, 2009

KozmoNaut said:
5w40 is only thinner than 10w40 when cold, leading to better lubrication until the engine reaches operating temperature, at which point both oils are of equal viscosity.

The best oil for the 100hp engine would be a fully synthetic 0w40, if you're willing to pay for it, and for the marginally better lubrication over say, a 5w40.

That's what I use - Mobil 1 0w-40. No downsides to it at all.

Ben

HP · Feb 1, 2009

KozmoNaut said:
5w40 is only thinner than 10w40 when cold, leading to better lubrication until the engine reaches operating temperature, at which point both oils are of equal viscosity.

The best oil for the 100hp engine would be a fully synthetic 0w40, if you're willing to pay for it, and for the marginally better lubrication over say, a 5w40.

Yes and no. 0w40 and 10w40 are the same viscosity at 100'c, but unless driven hard you won't really see 100'c on the oil - so it will be thinner at normal working temps. Also the 'better lubrication when cold' is moot point. It may flow more easily when colder, but if this provides more protection or is actually any better depends which engineer you talk to.

Splitting hairs a bit really I suppose, and we've been here before. A lot. So I won't comment any further.

trackdayqueen · Feb 1, 2009

BenP said:
That's what I use - Mobil 1 0w-40. No downsides to it at all.

Ben

We use that in the Integra (mainly because it revs so high and oil works the VTEC system), but I must admit i'd wince about putting oil that expensive in the panda.

Funnily enough I checked the oil on mine today, to discover it's about a 2/3rds full. So I guess I ought to put some in over the next week or two. Was thinking about just getting some magnatec. A fiat dealer is way too far away for me to drive over to them to buy a litre of oil.

dave · Feb 1, 2009

magnatec is a black sludge maker, better off with halfords own brand than that

BenP · Feb 1, 2009

trackdayqueen said:
We use that in the Integra (mainly because it revs so high and oil works the VTEC system), but I must admit i'd wince about putting oil that expensive in the panda.

I work in the trade and have an account with Mobil so it only costs me about a fiver a litre, hence why after 11,000 miles it's already been changed three times!

Ben

trackdayqueen · Feb 1, 2009

dave said:
magnatec is a black sludge maker, better off with halfords own brand than that

Why is it a 'black sludge maker'?

trackdayqueen · Feb 1, 2009

BenP said:
I work in the trade and have an account with Mobil so it only costs me about a fiver a litre, hence why after 11,000 miles it's already been changed three times!

Ben

Good for you.

dave · Feb 1, 2009

trackdayqueen said:
Why is it a 'black sludge maker'?

i think it has some thing to do with the additives in it

trackdayqueen · Feb 2, 2009

dave said:
i think it has some thing to do with the additives in it

I can't understand why an oil company would make an oil that turns into black sludge. At the risk of labouring the point can you explain further as otherwise I am none the wiser.

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