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Old 02-22-2011, 01:31 PM
Greg50Lt's Avatar
Greg50Lt Greg50Lt is offline
Dodge Ram Forum Senior Member
Join Date: Feb 2011
Location: Pasadena, Md
Age: 26
Posts: 229
Gender: Male
Vehicle: 2011 Ram 1500 Quad Cab 4x4
Trim Level: Sprot
Color: Mineral Grey
Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Originally Posted by HemiLonestar View Post
If you bolt on 09+ 5.7 heads (aka eagle), it has the same ports as the 6.1 head and will line up perfectly.
Originally Posted by skwurlz View Post
But then the exhaust ports are different, and you would need the 09+ exhaust manifolds or headers. Trying to retrofit that into a leaf sprung truck may be a bit daunting.

I believe you can get a spacer plate, that bolts to the early 5.7 heads, and then the 6.1L manifold.

So does that mean someone with a 2011 like me can use the 6.1 intake manifold? Has anyone tested this to see a hp gain? Swapping IM and TB on the civic made great power gains.
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