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Correct fuel for a 911sc

K

keewee

New member
Is it ok to run a 1980SC on 95 or is it better to use 97 - or a additive? I don't suppose it makes any difference on which brand to use?
 
Mine (1980) was originally meant to run on 2 star which was 91 Ron I think so anything should do I would have thought.
 
I have a 1982 SC. The owners handbook clearly states 98 Octane RON. I use Shell Optimax or similar. Not sure where Julian is getting 2 star 91 RON from?

All the best

 
Jerry you're making me doubt my memory! My car's been in the family from new and I remember it being filled up with 2 star. I've just checked the handbook and there in glorious black and white technicolour - 91 RON.
maybe a change when model years changed? Mine is a 1980 MY.
 
Mine likes Tesco Super. This is actually 99 RON, which isn't generally availabale elsewhere. Plus, it's usually cheaper - and you get Clubcard points too. It also smells nicer!

There was a big debate on here a while ago about this as I remember. Tesco's Super is 5% Bio-Ethanol. Some folks thought it was inferior to Optimax, and some had it the other way round. I suppose when you're blatting about the place in your 3 litre supercar you can feel a little bit "Green." Well, 5% Green anyway
 

ORIGINAL: chris.hevey

Mine likes Tesco Super.  This is actually 99 RON, which isn't generally availabale elsewhere.  Plus, it's usually cheaper - and you get Clubcard points too.  It also smells nicer!

There was a big debate on here a while ago about this as I remember.  Tesco's Super is 5% Bio-Ethanol.  Some folks thought it was inferior to Optimax, and some had it the other way round.  I suppose when you're blatting about the place in your 3 litre supercar you can feel a little bit "Green." Well, 5% Green anyway
Click to expand...

'Supercar?'...lol...well it says 911SC on the tin! [:D]
 
I've always used Shell Optimax/Vpower in my '83 SC as she seems to have a little more go compared with regular fuel and the handbook says 98 octane, looks like theres a marked difference between the fueling of the older 180hp SC's and the later 204hp motors [:)]
 
Well, it was pretty super back in the day![:D]

As I remember, Tesco's Super comes from a totally different supplier - Greenergy or somesuch. (I don't think you can get 99 RON anywhere else?)
 
thanks for your replies, I'll try using shell optimax as there is a shell around the corner from me and see how it goes. Off to Glasgow tomorrow so perfect oppurtunity to see the difference.

E829239B28594E6C89105B166A80D0F0.jpg
 
Hi,
Had a 1982 SC 204BHP for 14 years, book specified 98 RON and it liked Tesco 99 RON best ran lovely, lot of difference from the old 4 star.
Stripped engine at 126,000 to replace head studs and rings etc, valves were perfect (although guides shot), bores perfect so no problems.

993 Carrera 2 Polar silver

Previous:
1982 911SC Pacifice Blue - sadly missed
1987 944 Turbo Zermatt Silver
 
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