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#15
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I thought you were older than me for some reason, I got mine in 1995. Because I live near a tourist area, I remember paying $1.349 - $1.399 for premium back then. I used to put the timing back to the factory 10* in my 5 liter mustang during the week so I could run 89 mid grade for about $0.10 - $0.14 less per gallon. Then go fill up with 93 and yank the timing up to 15* on Friday night. Laughable, but it did make an almost .2 difference in ET from that small change.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi |
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