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Old Apr 6, 2005 | 09:56 PM
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Default Chip
could someone tell me what 91 octane is and 93 octane probly a dumb question but I dont know what they are thanks
 
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Old Apr 6, 2005 | 10:02 PM
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Default RE: Chip
Umm yeahhh...

Have you ever pumped your own gas?

See those numbers that correlate to grades? 87, 89, 91, 93, etc.
 
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Old Apr 6, 2005 | 10:06 PM
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well i use regular and i emailed greedspeed asking about there chip they make and they said something about using 91 and 93 should i be using it and would it affect a chip if i still just use regular
 
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Old Apr 6, 2005 | 10:15 PM
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i believe giac has a new fuzzy logic chip that allows u to use any octane bc it learns the gas thats in it.
 
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Old Apr 6, 2005 | 10:18 PM
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Default RE: Chip

ORIGINAL: Dudek12

well i use regular and i emailed greedspeed asking about there chip they make and they said something about using 91 and 93 should i be using it and would it affect a chip if i still just use regular
You should not be using regular to begin with. It states so in the manual and on the inside of the fuel door. With a chip you REALLY should not be using plain regular.
 
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Old Apr 6, 2005 | 10:25 PM
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Default RE: Chip
what kind of gas should i be using iam new to audi's and european car so i dont know a hole lot thanks for the information
 
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Old Apr 6, 2005 | 10:27 PM
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Default RE: Chip
89 or above, I prefer to use 91 octane.
 
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Old Apr 6, 2005 | 10:28 PM
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Default RE: Chip
Is it bad for the car to use just whatever grade gas I plan on switching to 91 thanks
 
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Old Apr 6, 2005 | 10:32 PM
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Default RE: Chip
Yes using low octane gas causes the engine to knock and decreased performance.
 
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Old Apr 6, 2005 | 11:02 PM
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but if u had a fully built head and p&p u could use low octane. if ur engine never sees knock its better to use lower octane. although im sure ur not planning on spending that kind of money now r ya?
 
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