Thread: 7.3 vs 6.6
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Old 12-31-2007, 12:05 PM
pipelayerjdh pipelayerjdh is offline
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Join Date: Oct 2006
Location: Starr, SC
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The difference is from the stock intakes. The 7.3 intakes leave a lot of room for improvement, and CAI help a lot. I have no idea with the GM's, but the 6.0 has a great intake from the factory, but many still upgrade it.
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