Premium Gas???
#11
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87 is 2.15 right now, 89 2.79, and 93 is 3.00 & up depending on the location. Sometimes our local Valero gets into a price war with other gas stations & that is when I attack!! I don’t use my D1/D2’s as D/D’s. My wife drives the 06 LR3 as a D/D, and the lowest grade she uses is 89.
I do use higher grade stuff when I can, but lately with the kid’s, house stuff, LR3 (trying to fall apart), and life in general I have to save what I can at the pump. Now back in my single & ready to mingle days my 97 RR saw nothing but the best!! Of coarse back then it was only .15 more a gallon at say 1.35 a gallon lol.
I do use higher grade stuff when I can, but lately with the kid’s, house stuff, LR3 (trying to fall apart), and life in general I have to save what I can at the pump. Now back in my single & ready to mingle days my 97 RR saw nothing but the best!! Of coarse back then it was only .15 more a gallon at say 1.35 a gallon lol.
#12
#13
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Richard Gallant (08-26-2019)
#14
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I bought a small test tube of Chuck Norris sweat on ebay and put a couple drops in the tank every 1k miles, gives the truck a real kick
The following 2 users liked this post by Friday Night Disco:
Richard Gallant (08-26-2019),
SuzSS (08-28-2019)
#15
#16
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I also find the non ethanol premium makes a big difference in how smooth the engine runs. Only one gas station in Seattle has that and it is $5.00/gallon there. Most rural areas have it, I guess for lawn mowers and such, at a more reasonable price, maybe .25 cents above ethanol premium. We are not lucky in the PNW in that all gas runs about $1.00/gallon over the national average. Premium here in town runs from 3.75 - 3.99... I just did a 700 mile trip to the Southern Oregon coast and found Chevron supreme in Salem for 2.99!! Generally 3.35 for Chevron supreme in Portland and on the coast. If I lived in BC i'd be tempted to drive to Bellingham for a fill up!
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It's shelf life is more than tripple that of it's evil ethanol brother.
I wonder, has anyone experimented with a slightly thicker headgasket to avoid prem fuel? You will lose a little efficiency by giving up compression ratio but often just a half point of compression will allow for quite a few octane drop. I could stand to lose 10hp in this motor in exchange for 87 octane. Does anyone actual floor this LandRover V8? I cringe as I apply throttle to that motor ha! I find this motor to be so sad all around, in contrast to other motors from, say, the late 90's design that can produce 120hp/liter on prem or 110hp/liter on 87. Furthermore they can handle 11.1:1 compression with 14lbs of boost from a supercharger on regular bump. That's a far cry from what Land Rover was pushing to us still in 2004 with the latest Disco2.
#17
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In regards to build up of carbon and such from lower octane fuels, I generally find that the same guy who runs lower than recommended fuel in his vehicle, is the guy who also runs cheaper oils. Furthermore he's OFTEN the guy who gives less love to the vehicle in regards to maintaining it. So when I look at the carbon build up on a vehicle, I have to consider a few variables are likely at play here. There's exceptions to this rule, probably the folks on here for example, who are knowledgable in their actions and walking the thin line while understanding the possible outcomes. For me, when I know I'll be easy on the throttle I'll skimp on octane in many vehicles, such as a long highway drive where I'm just conserving fuel. If I intend to go over the pass and I know I'll be requesting a lot of power from the engine, I won't skimp, relying on the knock sensors to retard timing is waiting for a damaging situation and then applying a fix.
#18
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@05TurboS2K Well after 4 days of 2000-2600 low range driving for hours at a time, running the Sea to Sky hiway from Pemberton to Vancouver I averaged 60 miles an hour, and the Disco boomed along up hills, mostly I passed everything. It nice to actually have good throttle response however had slow down for the corners marked 40kph handling is not that good
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#19
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@05TurboS2K Well after 4 days of 2000-2600 low range driving for hours at a time, running the Sea to Sky hiway from Pemberton to Vancouver I averaged 60 miles an hour, and the Disco boomed along up hills, mostly I passed everything. It nice to actually have good throttle response however had slow down for the corners marked 40kph handling is not that good ![Smile](https://landroverforums.com/forum/images/smilies/H5uKDcM.png)
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I hope to get this new motor in and do something similar. Not everyone has the same luck, I cringed and babied this motor and it lasted 2 weeks from the purchase date before the block cracked on me, meanwhile you cruise around and all is well. ha!
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I don't think I'll be taking many high speed corners in the Disco regardless of motor. lol