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Farmer Brown

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I have a 54 plate 276BHP UK GT Zed. It has done 54,000 miles and i have owned it for about 6-7 years and done 30,000+ in it.

 

Until i found these forums i tended to run it on standard 95 ron petrol, not through tightness but i just assumed as that it wasn't a turbo super unleaded wasn't such a big deal. :blush: :blush:

 

However i have now seem posts going on about engine knock caused by 95 ron petrol damaging engines and it is super all the time for it now. Must say i have never noticed any knock now or before when i used 95ron and even when i do drive it hard i always tend to warm it up before a run and let it cool itself properly after.

 

Car seemed to run ok on 95 ron just not as smooth as super and didnt have as much power. Car seems to be running fine now, has never needed any oil its whole life (i check it every week) water has always been fine and there has never been any sign of contamination of water and the oil pressure always seems to be ok. Car has been serviced by nissan once a year since new and all they have said about engine is that it is pretty good.

 

So if everything seems alright is the engine alright or is there damage that i might not know about?? The car seems ok for power, 50-70 in 4th today just under 4 sec and in 3rd about 2.8ish and will comfortably go well up into 140-150+ territory (gave it a run to try this last weekend), i have put it on the limiter a few times but not for a while. On an old airstrip of course.

 

Was thinking of taking it to the local rolling road (this weekend if poss) to see if it still had all its horses and thought if it did then it must be ok. It is running a scorpion exhaust and pipercross panel filter so anyone have any idea of what power it should do if all is well?

Edited by Farmer Brown
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I have a 54 plate 276BHP UK GT Zed. It has done 54,000 miles and i have owned it for about 6-7 years and done 30,000+ in it.

 

Until i found these forums i tended to run it on standard 95 ron petrol, not through tightness but i just assumed as that it wasn't a turbo super unleaded wasn't such a big deal.

Did the great big sticker saying '98RON ONLY' by the fuel cap not give you a hint?! :lol:

 

Regardless, I wouldn't fret over anything now, just stick with 98 from now on and whatever will be, will be. Nothing you can do about it either way, so no point in worrying :)

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I have a 54 plate 276BHP UK GT Zed. It has done 54,000 miles and i have owned it for about 6-7 years and done 30,000+ in it.

 

Until i found these forums i tended to run it on standard 95 ron petrol, not through tightness but i just assumed as that it wasn't a turbo super unleaded wasn't such a big deal.

Did the great big sticker saying '98RON ONLY' by the fuel cap not give you a hint?! :lol:

 

Regardless, I wouldn't fret over anything now, just stick with 98 from now on and whatever will be, will be. Nothing you can do about it either way, so no point in worrying :)

 

yeah i probably should have but when it seemed to be running ok i thought it would be fine :blush:. if i was purposefully going for a hard drive i would put super in it.

Edited by Farmer Brown
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So when you come to sell it on here, it's been run on 95 for 30k miles :lol: should be alright (maybe) but yeah super from now on mate, 99 if possible I'd say.

 

I keep all the petrol receipts for mine (v power or momentum) so it's all documented, did that with my last car and the new owner said he's never seen such an anal enthusiast :lol: I mean keeping 3 and a half years of petrol receipts just to prove to the new owner it's was run on 99 how many would do that? Was about 4inches thick (ooh eer) of receipts

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I was at Abbey today and Tony showed me a piston from a 350 (sorry don't remember the year) that had been run almost exclusively on 95 Ron unleaded fuel, please don't do it guys, it's going to hurt your engine AND your wallet eventually................... wacko.gifcc_surrender.gif

 

~edited to make clear this was use of 95 Ron almost exclusively

 

photo-2-1.jpg

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I was at Abbey today and Tony showed me a piston from a 350 (sorry don't remember the year) that had been run almost exclusively on 95 Ron unleaded fuel, please don't do it guys, it's going to hurt your engine AND your wallet eventually................... wacko.gifcc_surrender.gif

 

~edited to make clear this was use of 95 Ron almost exclusively

 

photo-2-1.jpg

 

that doesn't look very nice. did the car show any symptoms? my one seems to be running fine and have never noticed any knocking noises

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I was at Abbey today and Tony showed me a piston from a 350 (sorry don't remember the year) that had been run almost exclusively on 95 Ron unleaded fuel, please don't do it guys, it's going to hurt your engine AND your wallet eventually................... wacko.gifcc_surrender.gif

 

~edited to make clear this was use of 95 Ron almost exclusively

 

photo-2-1.jpg

 

that doesn't look very nice. did the car show any symptoms? my one seems to be running fine and have never noticed any knocking noises

 

I think that car's engine broke down hence how they found out that! Was running on five cylinders.

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Yes and of course all of you guys laughing (who have Zeds) have had them since they came out of the factory and KNOW that they have been run exclusively on 98ron don't you?

 

:stir:

 

Yes............ :lol:

 

 

Pete

Edited by JetSet
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On a related note, despite it stating 98RON on the fuel cap, and in the handbook, Nissan's official line is that it will run fine on 95RON, and I have that in writing from them. Although good luck getting a new engine from them if it's borked from running on 95....

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Will only knock over 4000rpm it has protection before that so below that is fine say to get you to a garage that has super so all driving below 4000rpm fine so if you drive over this possible damage so not all 30000mile will be bad if that helps put you mind at ease abit

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Will only knock over 4000rpm it has protection before that so below that is fine say to get you to a garage that has super so all driving below 4000rpm fine so if you drive over this possible damage so not all 30000mile will be bad if that helps put you mind at ease abit

 

you've obviously never sat in a car beside me then! :lol:

 

well ill just put it down to being one of lifes learning experiences. i had this thing in my head that the engine management system would deal with the normal petrol but yeah what some of the posters say is right, what's done is done, had a good listen to it today and it seems fine so am just going to assume it is unless something goes wrong. would still like to take it to a rolling road tho as never done that with it before.

Edited by Farmer Brown
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