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Do all preludes requre premium fuel?

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Old Feb 18, 2003 | 11:45 AM
  #11  
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fastball
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Originally posted by girlygirlracer
My self i have a si, (if you were talking to me)
Yes. Your car has a larger block (2259 cc) versus the VTEC model (2157 cc), but your engine also uses a 9.8:1 compression ratio. That's close enough to 10:1 to recomend premium fuel. What kind of performance do you get with your engine? I've never driven one, but these numbers are nothing to sneeze at for an everyday 4 cylinder. Of course it's not VTEC territory, but I would assume it's not to shabby, either.
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Old Feb 18, 2003 | 04:34 PM
  #12  
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the knock sensor was designed to retard timing in case less than premium fuel is used.
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Old Feb 20, 2003 | 12:53 PM
  #13  
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How bad is it if i have a 1993 Si, and dont use premium?
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Old Feb 20, 2003 | 01:15 PM
  #14  
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Originally posted by CTPrelude
How bad is it if i have a 1993 Si, and dont use premium?
I use to use a medium-grade and didn't notice a difference between premium
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Old Feb 20, 2003 | 01:26 PM
  #15  
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Originally posted by CTPrelude
How bad is it if i have a 1993 Si, and dont use premium?
it's not "bad" your car just wont run as well, that's all. and it might even prolong the life of your engine...
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Old Feb 21, 2003 | 10:54 AM
  #16  
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4th gen Si gets premium.....
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