 Regular vs premium gas |
 May 3, 2006 - 4:41 PM
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Enthusiast  Joined May 2, '06 From Nevada Currently Offline Reputation: 0 (0%)  |
Hi,
Does premium gas REALLY make a mileage difference in 5S-FE? Reason I am asking - Toyota does strange things: from our owners manual, two engines are avialable - 7A and 5S. Regular for 7A and premium RECOMMENDED for 5S. BUT - if you look at the, say 95 camry manual - two engines are offered - 5S as base and 1M (3.0 V6). Now, what is funny - for camry for 5S (base) regular is recommended and premium for 1M. BUT these are ABSOLUTELY the same engines - 5S for camry and celica! Toyota just sets - regular for the base engine and premium for upgrade! Does it make sence to you? Val |
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May 3, 2006 - 5:14 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
same engine, different PCM tune possibly. that is odd. but hey, theres been other fudges. my prizm manual (much information is right from toyota in it) says 91 octane for the 7afe!!! they didnt explain that thats 91 octane on the RON scale, not the PON scale you see at the pump.
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Posts in this topic
valerit1 Regular vs premium gas May 3, 2006 - 4:41 PM
jcbass7 so am i supposed to be running premium in my celi... May 3, 2006 - 5:44 PM
CelicaZR I've also ran my on Premium Unleaded (98 Octan... May 3, 2006 - 7:29 PM |
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