Thread: Need Help on '04 5.4 custom tunes.
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Old Sat, October 2nd, 2010, 08:15 AM
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Longshot270 Longshot270 is offline
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Be careful on that timing. Of all the changes you can make that is the one where you can have too much of a good thing. If you hear anything that doesn't sound right back off the timing. You will probably be hitting a peak soon though since you are making tweaks for 93 on an 87 tune.
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