Premium Fuel in Supercharged Engines a must?
07-08-2006, 05:27 PM
#31
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Originally Posted by Shadow
Gas prices suck and its only gonna get worse but you have to use the gas that you car manufacturer reccomends. Yes your car will run on 87 but its still not the right fuel. If you plan on keeping your Bonneville for a long time give it the fuel it requires.
A dollar or two saved at the pump is not worth the potential long-term damage down the road.
A dollar or two saved at the pump is not worth the potential long-term damage down the road.
07-08-2006, 05:46 PM
#32
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If you drive 15,0000 Miles a year
and average 25MPG. (mostly a highway car)
that is 600 gallons of gas.
87 is around $2.85 here and Premium is around $3.00
That is 15 cents a gallon on 600 gallons.
That is $90 a year.
Engine Rebuild due to massive KR problem - $1500+
and average 25MPG. (mostly a highway car)
that is 600 gallons of gas.
87 is around $2.85 here and Premium is around $3.00
That is 15 cents a gallon on 600 gallons.
That is $90 a year.
Engine Rebuild due to massive KR problem - $1500+
07-09-2006, 09:33 AM
#33
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.8 points not 8 points?
Originally Posted by McGrath
& I belive the fuel additives you are thinking about using are not quite the same as using high octane fuel. If you read the fine print on the back of those bottles you will see when they say ie "increase octane up to 8 points" really means .8 octane points. Someone correct me as if I'm wrong there.
But If I were you I would really use atleast 91.
But If I were you I would really use atleast 91.
07-09-2006, 05:43 PM
#34
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Re: .8 points not 8 points?
Originally Posted by wug
Originally Posted by McGrath
& I belive the fuel additives you are thinking about using are not quite the same as using high octane fuel. If you read the fine print on the back of those bottles you will see when they say ie "increase octane up to 8 points" really means .8 octane points. Someone correct me as if I'm wrong there.
But If I were you I would really use atleast 91.
But If I were you I would really use atleast 91.
If it says it increases your octane 8 points then it will take your 87 octane and make it 87.8 octane. The gas can vary in octane more than that anyways so the stuff is pretty much useless.
I have heard auto experts both say no matter and others like many here say you must use it.
07-10-2006, 01:34 PM
#36
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On the octane needed for a supercharger. The reason behind the octane requirement is the predetonation or pinging. The knock sensor in the engine is supposed to pick this up and retard the timing (cutting power) until the pinging is reduced to a tolerable level. With that said.. a sensor can fail and larger problems can develop.
The required octane is designed to keep the pinging to a minimum to begin with, keeping the car running better.
This thread is a possible issue from lower octane fuel. Note the pictures of parts with holes in them.
http://www.bonnevilleclub.com/forum/...ighlight=valve
The required octane is designed to keep the pinging to a minimum to begin with, keeping the car running better.
This thread is a possible issue from lower octane fuel. Note the pictures of parts with holes in them.
http://www.bonnevilleclub.com/forum/...ighlight=valve
07-10-2006, 02:06 PM
#37
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You know I have been trying to locate a station in So. Cal that has Octane rating higher than 92. I have only found one station at 92 only. However I do know of stations with 105 and 110 and I don't need this for my daily driver. Just 93. Any Ideas anyone?
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