Geoff P Posted October 2, 2021 Share Posted October 2, 2021 (edited) E5 or E10 Edited October 2, 2021 by Geoff P Quote Link to comment Share on other sites More sharing options...
ATTAK Z Posted October 2, 2021 Share Posted October 2, 2021 31 minutes ago, Geoff P said: E5 or E10 Is that a question ? If so, then yes, both are available ... Quote Link to comment Share on other sites More sharing options...
HEADPHONES Posted October 2, 2021 Share Posted October 2, 2021 Whenever possible, go for the 98 or 99 Ron E5 unleaded. Not just because of the ethanol, but from posts I've read from people such as Abbey Motorsport, the 350 ECU cannot retard the timing enough past 4800rpm when on 95 ron fuel which will result in engine knock, uneven high pressure shockwaves in the cylinders during combustion and possibly damage the pistons. Had to fill up with 95 ron on Thursday as there was nothing else available. I felt so sad as it filled up as it means keeping the revs down, but even driving below 4k revs is still bliss compared to driving the family Kia Sportage 1 Quote Link to comment Share on other sites More sharing options...
Geoff P Posted October 2, 2021 Author Share Posted October 2, 2021 (edited) 14 minutes ago, ATTAK Z said: Is that a question ? If so, then yes, both are available ... Sorry mate I'm new to this what I mean is which is best for my zed 04 Edited October 2, 2021 by Geoff P 1 Quote Link to comment Share on other sites More sharing options...
ATTAK Z Posted October 2, 2021 Share Posted October 2, 2021 Welcome anyway and don't forget, we need pics of your car please Quote Link to comment Share on other sites More sharing options...
ShortPaul Posted October 2, 2021 Share Posted October 2, 2021 Shell v power Quote Link to comment Share on other sites More sharing options...
Matay20 Posted October 2, 2021 Share Posted October 2, 2021 Put a full tank of, 99RON in mine on Wednesday and then registered it SORN on Thursday. 😩 bloody winter! Quote Link to comment Share on other sites More sharing options...
ATTAK Z Posted October 2, 2021 Share Posted October 2, 2021 5 minutes ago, Matay20 said: Put a full tank of, 99RON in mine on Wednesday and then registered it SORN on Thursday. 😩 bloody winter! Well that'll degrade to 95Ron by the time spring arrives ... on the plus side though 130p/litre will seem cheap in April '22 Quote Link to comment Share on other sites More sharing options...
Jack94 Posted October 2, 2021 Share Posted October 2, 2021 (edited) Considering the fuel cap and owners manual both state that the car needs to be run on minimum 98 RON fuel and all super unleaded is E5, there's no question really... Edited October 2, 2021 by Jack94 2 Quote Link to comment Share on other sites More sharing options...
Ekona Posted October 2, 2021 Share Posted October 2, 2021 98 only on anything earlier than a HR 350Z. Else you risk serious engine damage. 1 Quote Link to comment Share on other sites More sharing options...
Andy_Muxlow Posted October 3, 2021 Share Posted October 3, 2021 Hi and welcome along buddy, nice looking car. These cars should really only be run on high octane fuel. She’ll V power or momentum is always the best. Quote Link to comment Share on other sites More sharing options...
Ekona Posted October 3, 2021 Share Posted October 3, 2021 Anything that complies to BS 7800 will do just fine, if we want to be pedantic about it. Which I very much enjoy 1 Quote Link to comment Share on other sites More sharing options...
daveo132 Posted October 3, 2021 Share Posted October 3, 2021 Best I can get is 97 around my way. It's all Texaco 97 or Supermarket 95 around here. Been using 97 with 95 if I've needed to and it's just fine. Quote Link to comment Share on other sites More sharing options...
The Bounty Bar Kid Posted October 3, 2021 Share Posted October 3, 2021 https://www.350z-uk.com/topic/56308-what-can-happen-if-you-run-your-zed-on-95-ron/ I know what I'd rather do. Why buy a £30k car then scrimp on petrol? Yes they're not that much now, but you don't go buying a 2nd hand Ferrari and get parts from Euro Car Parts. Bit of an extreme example tbh. 3 Quote Link to comment Share on other sites More sharing options...
Ekona Posted October 3, 2021 Share Posted October 3, 2021 I buy loads of stuff from ECP, regardless of car 1 1 Quote Link to comment Share on other sites More sharing options...
GranTurismoEra Posted October 4, 2021 Share Posted October 4, 2021 23 hours ago, The Bounty Bar Kid said: https://www.350z-uk.com/topic/56308-what-can-happen-if-you-run-your-zed-on-95-ron/ I know what I'd rather do. Why buy a £30k car then scrimp on petrol? Yes they're not that much now, but you don't go buying a 2nd hand Ferrari and get parts from Euro Car Parts. Bit of an extreme example tbh. Ive run my Z on both. More on 99 than 95. I dont drive hard most of the time anyway. My mate has run his M3 E92 on 95 for 6 years. The only time the car has had Super Unleaded is when Ive driven it and replenished Petrol and tell him off for using 95. The main issues are the standard Rod bearing, Throttle Actuator, Gearbox issues. Yes the cars been driven somewhat hard on 95 but he's usual bought Shell or BP which might make a difference from supermarket fuel... Obviously thats a different car and maybe hes just lucky. Quote Link to comment Share on other sites More sharing options...
GranTurismoEra Posted October 4, 2021 Share Posted October 4, 2021 23 hours ago, Ekona said: I buy loads of stuff from ECP, regardless of car Lol all day on my CRZ save a lot but I stick to Bosch etc and the main brands though. Quote Link to comment Share on other sites More sharing options...
Ekona Posted October 4, 2021 Share Posted October 4, 2021 4 hours ago, GranTurismoEra said: Ive run my Z on both. More on 99 than 95. I dont drive hard most of the time anyway. My mate has run his M3 E92 on 95 for 6 years. The only time the car has had Super Unleaded is when Ive driven it and replenished Petrol and tell him off for using 95. The main issues are the standard Rod bearing, Throttle Actuator, Gearbox issues. Yes the cars been driven somewhat hard on 95 but he's usual bought Shell or BP which might make a difference from supermarket fuel... Obviously thats a different car and maybe hes just lucky. I would imagine it also has a knock sensor, which helps. 2 Quote Link to comment Share on other sites More sharing options...
ilogikal1 Posted October 4, 2021 Share Posted October 4, 2021 17 minutes ago, Ekona said: I would imagine it also has a knock sensor, which helps. He's maintained that engine for 20 years. That old motor has had 17 new bottom end rebuilds and 14 top end rebuilds in it's time... 3 Quote Link to comment Share on other sites More sharing options...
GranTurismoEra Posted October 5, 2021 Share Posted October 5, 2021 6 hours ago, ilogikal1 said: He's maintained that engine for 20 years. That old motor has had 17 new bottom end rebuilds and 14 top end rebuilds in it's time... No ones going to admit to everything tbh. Theyll only tell you what you need to know. Barely admitting common issues when asked. Quote Link to comment Share on other sites More sharing options...
coldel Posted October 5, 2021 Share Posted October 5, 2021 15 hours ago, ilogikal1 said: He's maintained that engine for 20 years. That old motor has had 17 new bottom end rebuilds and 14 top end rebuilds in it's time... Did he get a medal from Peckham Council as well 😉 1 1 Quote Link to comment Share on other sites More sharing options...
JayT Posted October 5, 2021 Share Posted October 5, 2021 I’ve had my Zed nearly a year now and it has only had Shell V-Power, however it has done 90,000 miles and I cannot speak for previous owners. But I personally won’t run less than v-power. Quote Link to comment Share on other sites More sharing options...
Ebized Posted October 6, 2021 Share Posted October 6, 2021 Been around long enough on here to know from feedback that Zed engines prefer the 97+ plus octane for longevity particularly if using 5k+ rpm regularly. IMHO, and like others have said ^^^, it is not worth the risk to use lower octanes other than in emergencies simply to save on fill-ups, and especially now most 350 engines will have a lot of mileage on them now. Quote Link to comment Share on other sites More sharing options...
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