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5.3 FF vs. 5.3 Gas

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Old 12-16-2007, 03:42 PM
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Default 5.3 FF vs. 5.3 Gas

My boss is looking at getting a used Tahoe and some of them come with the Flex fuel. He asked me what the difference is but I only know that the injectors are different and bigger. Can anyone tell me the specifics on the difference?
Old 12-17-2007, 07:36 AM
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38 lb. injectors FF vs. 24 lb. for gas engine. Larger capacity fuel pump, both good for future mods.
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