Is Premium safe for our Rangers? - Ranger-Forums - The Ultimate Ford Ranger Resource


2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

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  #1  
Old 07-25-2005
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Is Premium safe for our Rangers?

I've heard of this stuff shell makes V-Power or sumthin that cleans your engine while your driving. And is okay to mix it with the gas I had in my truck Unleaded Low Octane (the lowest)???
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Old 07-25-2005
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Virtually all gasoline has detergent additives. Generally speaking, premium fuel is a waste of money unless your engine needs it to prevent detonation. Late model Ranger engine calibrations have a spark adding algorithm that will advance the timing in the absence of detonation. This can sometimes give a small fuel economy benefit with premium fuel. There is no problem mixing regular unleaded and premium unleaded.
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Old 07-25-2005
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so in my 93 it would be ok?
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Old 07-25-2005
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Quote:
Originally Posted by BlackRanger93
so in my 93 it would be ok?
It won't hurt it at all and it probably won't help it much. Premium fuel is just fuel that burns at a slower rate, so it is less likely to cause detonation (pinging). It is useful in engines that run high compression ratios and/or lots of spark advance. Your engine was designed for 87 octane fuel.
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Old 07-25-2005
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o ok ill keep it w/ 87 then
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Old 07-25-2005
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I have always thought of premimun as a waste unless you need it. It was burn slower and therefore might not burn completely and therefore give you worse gas mileage as some will be wasted when it is not burned.
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Old 07-25-2005
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Sure helps when ya hit the juice though
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Old 07-25-2005
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i put the highest grade fuel in my truck and i get great gas mileage with it.. there is a store here in fl that sells racing fuel.. but thinking bout puttin that in the truck.. but its like 4.75$ a gallon
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  #9  
Old 07-25-2005
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I need the premium stuff, because of the bama programer.
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Old 07-25-2005
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Quote:
Originally Posted by red_fx2
i put the highest grade fuel in my truck and i get great gas mileage with it.. there is a store here in fl that sells racing fuel.. but thinking bout puttin that in the truck.. but its like 4.75$ a gallon

and you wonder why your spark plugs were so bad

if you engine recommends 87 run 87.

unless you have a programmer that requires you run the higher octane then run it.
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Old 07-25-2005
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haha but my plugs arent bad anymore... hell if i put the racing fuel in.. i might blow my whole engine... whoops.. good reason to upgrade to a 4.0 :).. but i dont put the 93 in my truck all the time.. like every other 2 weeks or so
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Old 07-25-2005
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Quote:
Originally Posted by zabeard
and you wonder why your spark plugs were so bad

if you engine recommends 87 run 87.

unless you have a programmer that requires you run the higher octane then run it.
Or unless your truck pings on 87. Mine generally does, so I run 89 to keep it quiet.
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Old 07-26-2005
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Quote:
Originally Posted by red_fx2
haha but my plugs arent bad anymore... hell if i put the racing fuel in.. i might blow my whole engine... whoops.. good reason to upgrade to a 4.0 :).. but i dont put the 93 in my truck all the time.. like every other 2 weeks or so
o2 sensors love that leaded fuel.
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  #14  
Old 07-26-2005
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running premium (unless you have modified the fuel program with a chip or tuner) is a waste of money and possibly bad for your emissions system
unburned fuel taxes your catalytic convertors and can create excess exhaust heat
if your engine is pinging on the recommended octane (87 for modern Rangers) there is something wrong and using premium fuel is a quick and incorrect fix

Last edited by LILBLUE04FX4L2; 07-26-2005 at 09:20 AM.
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Old 07-26-2005
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Quote:
Originally Posted by LILBLUE04FX4L2
running premium (unless you have modified the fuel program wiht a chip or tuner) is a waste of money and possibly bad for your emissions system
unburned fuel taxes your catalytic convertors and can create excess exhaust heat
if your engine is pinging on the recommended octane (87 for modern Rangers) there is something wrong and using premium fuel is a quick and incorrect fix

read this^^^

Quote:
Originally Posted by pacodiablo
Or unless your truck pings on 87. Mine generally does, so I run 89 to keep it quiet.
he explained it much better than me. i suggest fixxing the ping. prolly cost less in the long run
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  #16  
Old 07-26-2005
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Those who are actually considering buying premium fuel for the gas milage (perceived or not), you should also be aware of another calculation. Cost per mile.

I.E. If it costs you 35 bucks to fill up, and you get 250 miles per tank, then you pay .14 cents per mile driven. It's a little harder to track, you have to know what you paid for the gas when it is gone.

So even if you do claim to see an increase in fuel efficiency, are you still saving money?
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  #17  
Old 07-26-2005
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Quote:
Originally Posted by red_fx2
i put the highest grade fuel in my truck and i get great gas mileage with it..
And I'm sure you keep a fuel log and have proven this.. meaning isn't just a percieved improvement.. right?
Quote:
Originally Posted by Mnemonic
So even if you do claim to see an increase in fuel efficiency, are you still saving money?
I'd agree.. although it isn't always about saving money. Some would gladly spend more money just for the opportunity to use less fuel. Using less fuel generally means expelling fewer emissions and in many people's minds, equates to a lower impact on the environment. This is why you see so many early adopters of hybrid tech and the sort. The initial purchase may outweigh the savings they'll see in fuel bills over the live of the vehicle, but that isn't necessarily the point.
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  #18  
Old 07-26-2005
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no i dont have a fuel log.. but i can make on to show u if u want me to
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  #19  
Old 07-26-2005
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Why pay more money...

it not going to make your truck go faster...
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  #20  
Old 07-27-2005
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what could be making the ping?mine does it too but the ford people said it could be carbon buildup?
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  #21  
Old 07-27-2005
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Quote:
Originally Posted by vansnxtweek
what could be making the ping?mine does it too but the ford people said it could be carbon buildup?
Carbon buildup could definately do it.

Some trucks do it from the time they leave the factory.
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  #22  
Old 07-30-2005
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if your motor pings on 87 you have carbon build up or your timing is incorrect could be bad timing chain or related gears. all ford truck motors ( gas only ) are designed to run 87. higher will burn out cats, all of you running 3.0L w/o egr you have 5 cats in your system how much do you think that would cost to replace. about $1500.00
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  #23  
Old 07-31-2005
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ah, just leave the cats gutted....haha

question....is there anyway to clean out the carbon stuff, w/o taking the engine apart....and what exactly are u meaning, timing chain? the serpentine belt?
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  #24  
Old 07-31-2005
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Used to use a product called RxP, sold at any autozone or other auto parts store. Supposed to do just that, remove carbon buildup.
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  #25  
Old 07-31-2005
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sweet!

i'll have to pick some of that stuff up!
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