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Re: Which petrol for the R?

Posted: Mon Mar 28, 2016 7:42 pm
by StevooTDI
Shell V-Power ONLY! I agree with the above, I wouldn't buy an R and not give it the right fuel.

Re: Which petrol for the R?

Posted: Mon Mar 28, 2016 10:09 pm
by Psycho Kirky
Shell V Power Nitro+ always mate unless you can't get to a Shell garage then highest available grade.

Makes me laugh when R owners talk about economy and fuel prices hehe.

Stuff the planet its doomed already, burn some oil xD

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Re: Which petrol for the R?

Posted: Tue Mar 29, 2016 8:13 am
by shrink
I've been enjoying superb performance with BP ultimate at the moment.

few pennies cheaper than V power, but I can tell no difference in their performance. Both seem noticeably better than standard fuel.

Re: Which petrol for the R?

Posted: Tue Mar 29, 2016 4:48 pm
by Stejay21
Psycho Kirky wrote:Shell V Power Nitro+ always mate unless you can't get to a Shell garage then highest available grade.

Makes me laugh when R owners talk about economy and fuel prices hehe.

Stuff the planet its doomed already, burn some oil xD

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Some would argue that the real problem with carbon emissions is methane gas, not oil :)

V Power Nitro+ all the way.

Re: Which petrol for the R?

Posted: Thu Mar 31, 2016 12:38 pm
by MrBarry123
Cuprabob wrote:
MrBarry123 wrote:Super unleaded only. You otherwise run the risk of pre-ignition (knocking) which can ultimately damage the engine (pistons, cylinder wall etc.).
Engine has knock sensors which retard the ignition to prevent "pinking" if 95 grade fuel is used.
Yes but knock sensors are reactive and therefore react to the symptoms of knocking i.e. they're only able to retard the timing once symptoms have been detected. And knock symptoms will only be present once lower grade fuel has already been injected into the cylinder and burned. Until that time, there's no way of the knock sensor sensing the lower grade fuel and proactively altering the timing to compensate.

I do accept however that the chance of damage occurring between the first instance of lower grade fuel being injected and the timing being altered to compensate (as a result of knock symptoms triggering a reaction by the sensors) is low. Given the choice though, I'd much rather prevent it altogether.

Re: Which petrol for the R?

Posted: Tue Apr 19, 2016 9:55 pm
by mvb12
Very surprised someone would buy a brand new Rocco R and contemplate fuel.

It's a no brainier really.