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Old 08-25-2004, 11:53 PM   #1
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Default Give You Supercharged Engine What it Wants!

While driving the bonne the other day, it shuddered really bad and when you let off the gas it stopped and you could keep driving, anywasy it did this about 4-5 times on the way to town, the one time it got so bad the SES (service engine soon) light started flashing, i let off the gas completley. We got the oil changed (Mobil 1 10w30 synthetic)and put some Sunoco Premium 93 in it gave the car a little shake and the bonne ran Beatuifully.. Note that we have the Supercharged engine and GM recommends Premium Gasoline, Anywyas we have been running gas in this pattern...

Fill the tank 3/4 with regular or midgrade then later on in the week fill the tank up with 93 or higher.

The car hadnt given us any problems then, but maybe we got some bad gas. Anyways i like feeding my good ol bonnie what it wants, 20 Cents extra wont kill me!
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Old 08-25-2004, 11:56 PM   #2
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Uh, you should always use Premium in a supercharged car. You will hurt your engine very badly.
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Old 08-25-2004, 11:56 PM   #3
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ALWAYS use premium, thats the cost of having a supercharger
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Old 08-26-2004, 12:13 AM   #4
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87 for us naturally asparated bonnies.. ahh the joys of an n/a'd car pay off in this time of high gas prices!


-justin
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Old 08-26-2004, 12:18 AM   #5
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87 is something very bad for the supercharger it was tellin u like "what the hell is this SHIZNITE??"""
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Old 08-26-2004, 12:19 AM   #6
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Has anyone mentioned that running anything other than Premium is a bad thing? Because I think it should be mentioned.

Anyone else wanna pipe in here?
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Old 08-26-2004, 12:43 AM   #7
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Any high compression or supercharged/turbocharged car needs 90-94 gasoline all the time. The car states that on the dash cluster and the gas cap area.

Predetonation is a bad thing!
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Old 08-26-2004, 12:51 AM   #8
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yea its hella bad believe me i know this
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Old 08-26-2004, 10:37 AM   #9
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Isnt continually switching grades a bad thing also? No matter what type of car it is
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Old 08-26-2004, 12:32 PM   #10
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...And you should check to see if there are any error codes stored in the computer.
It'* possible that you may have jumped to the wrong conclusion in assuming that the cause of the problem was the octane rating of the gasoline.
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