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1997 to 2003 F-150
4.2L, 4.6L, and 5.4L equipped F-150s.


 
 
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Old Sun, October 25th, 2009, 02:03 PM
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Longshot270 Longshot270 is offline
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I just tried 93 octane and I was getting 8.3-8.7 on the 93 canned performance and 87 performance with the timing bumped up. Oh well, kinda glad I didn't sink money into a 93 custom performance with numbers that wont to move below 8, but it is still a big improvement from the 9 to 11's I got stock.
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