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Old Jun 22, 2004 | 11:51 AM
  #1  
Bezalel's Avatar
Bezalel
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From: Auto Capital
Gas price

Hi All, what is the best gas type for 97, 4.6 Expy? I've heard a few opinions on this matter. Does it make a big difference if I use regular?
 
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Old Jun 22, 2004 | 12:26 PM
  #2  
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kodakker
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From: Southern Middle Tennessee
Check your owner's manual. I'm sure it recommends 87 octane. That is what I use in my 02, 5.4. Using a higher grade is just wasting money if your engine is stock. Save where you can.
 
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Old Jun 22, 2004 | 04:05 PM
  #3  
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buzzard
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From: All over Texas
Yep, these boats thrive on lower octane gas unless you have some sort of performance enhancing chip or program that advances the timing.
 
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