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Old 07-19-2009, 01:23 AM
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CdnoilRAM CdnoilRAM is offline
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The TBIs don't really affect the flow velocity and helical spin on a 5.7L much at all. CAIs have a long enough velocity tube from the stock location that the ~1" of the TBI is negligable. Also the helical spin is completely broken up by the intake manifold anyhow. The best use of a TBI is if you plan to run a wet nitrous system then you can drill into it an place your nozzel there.

If you notice a high pitched whistle when you floor it, that is caused by the harmonics through the TBI. if it's there and it annoys you, you can always remove the TBI and add a spacer if you have to have it there to line up the intake tube.
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