Well I've not seen another over here but you never know. Reckon it's probably ok on 97 but 95 would be asking for trouble. No sign of knock issues yet. Must try the det cans on it.
BP Ultimate shortage in Northern Ireland?
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Well I've not seen another over here but you never know. Reckon it's probably ok on 97 but 95 would be asking for trouble. No sign of knock issues yet. Must try the det cans on it.
Sgt_Major
RMS Regular
Is it only ultimate petrol supply or is their diesel out too??
I wonder can you gauge by this shortage who actually fills up often
If they have it to sell, perhaps it's been lying a long time. If they have none to sell perhaps they have run out and are used to getting filled every other day I.e great fresh super
If they have it to sell, perhaps it's been lying a long time. If they have none to sell perhaps they have run out and are used to getting filled every other day I.e great fresh super
stevieturbo
RMS Regular
Given the size of most underground tanks, I doubt any of them will be selling out of SUL in a couple of days
I'd say most would last even a couple of weeks or more.
I'd say most would last even a couple of weeks or more.
Depends if they fill the tank though. When we ran a station we only ordered 3000l at a time to keep it fresher.
Artoir
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Good thinking batman...
MINTER_GTR
RMS Regular
ffs,stick some 95 in till the super is back and drive off boost,the only boys that should have any real worries is big powered jap imports mapped for it that are looking to send it on in their motors,if its a UK car then you are an edjit for buying super unless you have some major upgrades and the car was mapped for it once said upgrades were completed.
MINTER_GTR
RMS Regular
but did it warrant the additional cost Eager,as in over mpg on he 95?
Few pence per litre gave about 40 miles extra per tank iirc.
Ok suppose that was stating the obvious. Some cars are more sensitive than others tho.
As has already been mentioned by @Coog, the 350Z DE engine can not detect knock over 5000 rpm. It maybe be only a NA machine, but it is mapped for 98 RON, as are many other Japanese NA cars, however some of these may be able to detect knock all the way throughout the rev range, unlike the 350.
I can also assure that 90% of 350Z's in the UK are not run on standard unleaded. As a member and REO of the 350Z UK club I can assure you that at least 90% of the 14,500 members of the club are using 97+RON petrol.
Yes, I could stick a tenner of standard in there and crawl about in the low rev range and the car will be fine until I get some decent (cleaner) fuel in there, but I didn't buy a 300 BHP car to pootle about in at 2k RPM. My car gets driven properly, how it deserves to get driven, how it was built to be driven, so the least I can do is put the correct fuel in it.
I can also assure that 90% of 350Z's in the UK are not run on standard unleaded. As a member and REO of the 350Z UK club I can assure you that at least 90% of the 14,500 members of the club are using 97+RON petrol.
Yes, I could stick a tenner of standard in there and crawl about in the low rev range and the car will be fine until I get some decent (cleaner) fuel in there, but I didn't buy a 300 BHP car to pootle about in at 2k RPM. My car gets driven properly, how it deserves to get driven, how it was built to be driven, so the least I can do is put the correct fuel in it.
MarkM
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Anyone had an answer as to when we get back to normal? We have two evos sitting here with empty tanks
I wouldn go with that sweeping statement. Not all do
It's pathetic, isn't it? I wasn't aware when I bought the car, call it lack of research if you like. But it won't detonate with the correct fuel
Probably lolMark_C
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The reason oem EFI manufacturers like bosch have used knock sensors since the 1980s is to alter timing if knock is detected. There's no point in fitting one otherwise and oems don't waste money.
Which factory systems have a sensor and dont use it? Even motronic ml3.1 from the mid eighties uses it for that purpose.
Anyone had an answer as to when we get back to normal? We have two evos sitting here with empty tanks
The 24hr Maxol in b'mena has super, I filled up last night.
stevieturbo
RMS Regular
Not really, because it's around peak torque where it would need it most. Not necessarily high revs.
And just because it doesnt listen after a certain point on some vehicles, doesnt mean anything it heard before wont have an impact at higher rpm's
And if you think most OEM knock sensor/control systems will save an engine from completely wrong fuel or poor tuning with bolt on mods...no it wont.
stevieturbo
RMS Regular
A good system will already have nailed it at a mild level before anything serious would occur. But expecting that from most OEM systems is hoping for a bit too much.
Old stuff we used to race would just light the engine light and throw up a code, not really change anything, wrecked Ringlands on that system pretty easily. Newer toyota ecus seem to have a 'bad fuel map' to revert to if mild knock is detected. Then some engines are tougher than others too
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