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Old 01-27-2013, 02:00 AM
CdnoilRAM's Avatar
CdnoilRAM CdnoilRAM is offline
I push the skinny pedal


 
Join Date: Jul 2009
Location: Calgary, AB, CA
Age: 31
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Vehicle: 2009 Blown 349 Hemi
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Engine: 2009-2012 345ci (5.7L) Hemi V8 390hp 407lb/ft
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The 87mm is probably overkill, you'll ever be able to use the amount of air that the 87 could flow. You'll be decreasing your intake velocity at the expense of volume and will sacrifice your bottom end a bit but gaining it in the top end when you're pulling maximum vacuum. If you were to go with an oversized TB then look at an 84mm or 85mm to maintain your intake velocity but allow better volume. The 85mm will still maintain sufficient flow even if you go LT headers and allows for future modification.
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