Favorite Petrol Fuel?

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bob_mcn
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Re: Favorite Petrol Fuel?

Post by bob_mcn » Thu Oct 18, 2018 1:24 pm

XE USA octane rating page from THE book....

usa jag octane.jpg

Bob McN.
Oct'16 to Oct'18: Caesium Blue, Portfolio 240, MY2017, selection of addons.
Oct'18 onwards : Caldera Red, XE 300 Sport, MY2019, bigger selection of addons
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clivetay33
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Re: Favorite Petrol Fuel?

Post by clivetay33 » Thu Nov 15, 2018 8:42 am

I have been using Shell V Power from the last fill and was going to do the same today. I'm not sure why petrol is now 10p cheaper than diesel but it's good for me. The difference between unleaded and V Power was 20p per litre so decided to put in ordinary unleaded. The mpg I got on the unleaded was 33.4 compared with an average over the last same trips to work of 34.4 mpg. I noticed no difference in the performance so wondering if the XE S really appreciates the higher octane fuel?
Jaguar XE S Indus Silver 380 bhp black pack, cold climate pack 1, 18 way power front seats, memory pack with powerfold mirrors, 19 inch black alloy wheels, panoramic electric sun roof, advanced parking assist pack


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PhilB
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Re: Favorite Petrol Fuel?

Post by PhilB » Thu Nov 15, 2018 10:43 am

clivetay33 wrote:
Thu Nov 15, 2018 8:42 am
I noticed no difference in the performance so wondering if the XE S really appreciates the higher octane fuel?
I think it's horses for courses.
I had to fill up with regular once as I was on fumes and the full fat stuff wasn't available.
Pretty sure it wasn't a placebo effect but it seemed a fair bit more "eager" when I next filled up with 99 octane.
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Pongo
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Re: Favorite Petrol Fuel?

Post by Pongo » Thu Nov 15, 2018 11:29 am

PhilB wrote:
Thu Nov 15, 2018 10:43 am
Pretty sure it wasn't a placebo effect but it seemed a fair bit more "eager" when I next filled up with 99 octane.
".......I'm terribly sorry officer, it wasn't me, honest, it was the car being a bit 'eager...." :lol:
2016 XE-S 340


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PhilB
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Re: Favorite Petrol Fuel?

Post by PhilB » Thu Nov 15, 2018 11:30 am

Pongo wrote:
Thu Nov 15, 2018 11:29 am
".......I'm terribly sorry officer, it wasn't me, honest, it was the car being a bit 'eager...." :lol:
:lol:
You can only get done for exceeding the speed limit.
Nothing about how fast you get to the limit!
:mrgreen:
XE S 380, Storm grey Pics Black venoms/black pack, 18 ways, BSM, 40/20/40, ICTPro 380, parking pack, spare wheel.
Previous: 2015 XE S 340, British Racing Green.


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Gaspode
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Re: Favorite Petrol Fuel?

Post by Gaspode » Thu Nov 15, 2018 12:09 pm

PhilB wrote:
Thu Nov 15, 2018 11:30 am
:lol:
You can only get done for exceeding the speed limit.
Nothing about how fast you get to the limit!
:lol:
Many, many years ago (when I was young and foolish) I got into a late night, city centre traffic-light 'test of acceleration' between my Capri 2.8i and an RS2000. Very shortly after we'd both made a hell of a racket, the road separated with the RS going one way and me the other - only for me to be greeted by a police officer in the middle of the road just around the next bend - I was only doing 30ish by then, but he pulled me over and told me that I'd been driving 'too fast'. I obviously disputed that (as he couldn't have seen me even if I had) and asked him if he'd seen the 'other car that was making all the noise' - which he confirmed he hadn't and that he was sure it was me that was driving too quickly - I again asked how he knew and if he had any proof at which point he backtracked and told me I had obviously been 'accelerating too quickly' and I should 'drive more carefully in future' before sending me on my way......
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Bluefire
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Re: Favorite Petrol Fuel?

Post by Bluefire » Thu Nov 15, 2018 1:47 pm

...I'm sure you were just maintaining a safe distance to the car behind.
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G7DCW
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Re: Favorite Petrol Fuel?

Post by G7DCW » Thu Nov 15, 2018 6:47 pm

Was the other car an unmarked Police car? With a radio.
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Gaspode
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Re: Favorite Petrol Fuel?

Post by Gaspode » Fri Nov 16, 2018 9:32 am

G7DCW wrote:
Thu Nov 15, 2018 6:47 pm
Was the other car an unmarked Police car? With a radio.
No - pretty sure it was just another petrol-head....I think the policeman just heard a load of car-related noise and decided to stop the next car that came along (particularly one with a fairly loud and distinctive exhaust note as the Capri had) - I don't think he necessarily thought about what would happen after he stopped me as he didn't have any evidence that I'd done anything wrong and I was hardly going to hold my hands up and admit I'd been a bit overexuberant....
It was actually lucky (for both me and him) that I wasn't still giving it some welly or I'd have probably run him over as he stood in the middle of the road with his hand up.....
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richmond
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Re: Favorite Petrol Fuel?

Post by richmond » Fri Nov 16, 2018 9:43 am

clivetay33 wrote:
Thu Nov 15, 2018 8:42 am
I have been using Shell V Power from the last fill and was going to do the same today. I'm not sure why petrol is now 10p cheaper than diesel but it's good for me. The difference between unleaded and V Power was 20p per litre so decided to put in ordinary unleaded. The mpg I got on the unleaded was 33.4 compared with an average over the last same trips to work of 34.4 mpg. I noticed no difference in the performance so wondering if the XE S really appreciates the higher octane fuel?
The 20p difference must have been a short term discrepancy while prices are dropping, it's usually closer to 10p round here.

Shell v Power has a small increase in octane rating so it should produce a small increase in performance, but it's best benefit is in the chemical cleaners and lubricators that are added. These are said to keep the engine and the fuel system cleaner and more efficient, but you'll only really know when something goes wrong when all you use is premium fuel. I'm not sure that it's worth the extra so I hedge my bets and do alternate fills of Premium and V Power. I think I notice a difference but I'm not certain. :|
John
2016 XE Italian Racing Red Prestige 2.0i 200
Prev. 2011 XFS


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