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Old 10-19-2010, 11:38 PM
CdnoilRAM's Avatar
CdnoilRAM CdnoilRAM is offline
I push the skinny pedal


 
Join Date: Jul 2009
Location: Calgary, AB, CA
Age: 30
Posts: 17,183
Gender: Male
Vehicle: 2009 Blown 349 Hemi
Trim Level: Sport - Modified
Color: Brilliant Black/Snake Skin Green
Engine: 2009-2012 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 20
Rep:3272
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Direct quote from S-A Designs High Performance HEMI builders Guide pg. 71-72:

some enthusiasts have swapped the 5.7L's composite, long-runner intake with the 6.1L's aluminum manifold, which features shorter runners. But with the 6.1L manifold fits the 5.7L, it is of limited effectivness without additional performance modifications to support its air-flow design. An upgrade to increaded flow cylinder heads, a supercharger, or nitrous-oxide would compliment the 6.1L manifold.
A caveat to using the 6.1L manifold: without proper tuning, the 5.7L's computer won't like it.


Hope it helps.
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