delz0r Posted June 30, 2016 Share Posted June 30, 2016 (edited) I can only assume that Nissan maps them to run on 95 before selling them in Ireland then? Says 98 on the cap and there was some 98 available here until the mid 2000s Edited June 30, 2016 by delz0r Quote Link to comment Share on other sites More sharing options...
Ekona Posted June 30, 2016 Share Posted June 30, 2016 Highly unlikely. They'll just let them run on the standard worldwide map I expect. Quote Link to comment Share on other sites More sharing options...
jackvyal Posted June 30, 2016 Author Share Posted June 30, 2016 Hmm that all sounds very interesting. Do you guys reckon I'll have a risk of Engine knock now that I have half 95ron and half 99 (shell v power nitro+)? Quote Link to comment Share on other sites More sharing options...
Ebized Posted July 18, 2016 Share Posted July 18, 2016 See posts #23 & 31 in particular here: http://www.350z-uk.com/topic/56308-what-can-happen-if-you-run-your-zed-on-95-ron/ 1 Quote Link to comment Share on other sites More sharing options...
Ekona Posted July 18, 2016 Share Posted July 18, 2016 Don't worry Colin, I'm sure the new guy knows better than any of us who have been driving these cars for years! 2 Quote Link to comment Share on other sites More sharing options...
KyleR Posted July 18, 2016 Share Posted July 18, 2016 There is no way that this engine is stressed enough, running high enough compression, has wild enough cam lobes, or revs high enough to take advantage of super unleaded. Anyone putting it in is simply wasting money. Infact, due to the higher flashpoint, it may even lose power lower down the rev range. Fair enough if you cam it up and fit higher comp pistons and map it to take advantage. Quote Link to comment Share on other sites More sharing options...
KyleR Posted July 18, 2016 Share Posted July 18, 2016 N.I. is fine for super, we have BP, Topaz, Go and Texaco who all provide 97 RON. The South stopped it about 10 years ago for some reason, which is odd because pretty much all our fuel up here comes in through Dublin Quote Link to comment Share on other sites More sharing options...
rabbitstew Posted July 18, 2016 Share Posted July 18, 2016 When I had a brand spanking new 370z for a courtesy car a few years back whilst my 350z was having some work done at Nissan, I found a massive stack of receipts in the glove box for normal unleaded petrol which is what the Nissan main dealer was putting in all their demo/courtesy cars. Quote Link to comment Share on other sites More sharing options...
KyleR Posted July 18, 2016 Share Posted July 18, 2016 The manual says to put 98 in it, but also says it san be ran for short periods of time on 95 when 98 isn't available. Apparently the knock sensors aren't very accurate after 5000 RPM and this is where the problem stems from. I'm sure there are plenty of cars running 95 and haven't exploded yet, the ROI guys are testament to this, but I prefer to follow the guidance of the manual to lower the risk of future problems. HR 350Z's and 370Z's don't have any problems running on 95 because their knock sensors work throughout the rev range. I'm far from an expert, but I'm sure Mark@Abbey would be happy to explain this again and he has done many times in the past. Quote Link to comment Share on other sites More sharing options...
The Bounty Bar Kid Posted July 19, 2016 Share Posted July 19, 2016 The roi zeds state that 95 is fine. By it's this because they've been mapped differently? Same with the US ones. All I know is that when I decide to buy another zed, it will be one that's only been run on 98ron. Quote Link to comment Share on other sites More sharing options...
The Bounty Bar Kid Posted July 19, 2016 Share Posted July 19, 2016 If you've got 98 Ron available, what's a few Pence??? Quote Link to comment Share on other sites More sharing options...
Andy_Muxlow Posted July 19, 2016 Share Posted July 19, 2016 I run mine on momentum 99ron and it is fine also it's as cheap as normal 95 from shell Sent from my iPhone using hammer and chisel! Quote Link to comment Share on other sites More sharing options...
The Bounty Bar Kid Posted July 19, 2016 Share Posted July 19, 2016 Shell v power is priced at 7p per litre more than normal unleaded. Using my fuel calc and the figures from my zeds usage over that time it's worked out that 10000 miles would need 2268litres of fuel. I did some spirited driving and some motorway. So a good average. Ranges from 14 mpg to 31 mpg. Therefore 2268litres of fuel would cost £160 more. It's not really a bank breaker esp when you consider you're driving a 30k sports car. 2 Quote Link to comment Share on other sites More sharing options...
Andy_Muxlow Posted July 19, 2016 Share Posted July 19, 2016 Also the grin factor 😆 Sent from my iPhone using hammer and chisel! Quote Link to comment Share on other sites More sharing options...
nievelc Posted July 26, 2016 Share Posted July 26, 2016 For the record, when my dad's borrowed my Zed to head off to the coast, I can tell with a few minutes if he has tried to sneak in standard petrol by the lumpiness of the power delivery in the lower range. In my car certainly it makes the world of a difference. Quote Link to comment Share on other sites More sharing options...
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