06 4.7 to hemi swap

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Jun 27, 2009 | 01:02 AM

#11

Razorbackfan

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From: Tumbling Shoals, AR

Street and Performance can answer your questions on the swap. They do these all the time. I would go 6.1 HEMI though. Might as well start out with 425hp then 345 or 390hp whatever the HEMI is up to now.

Jun 27, 2009 | 01:37 AM

#12

DBYRD

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From: Waco, Tx

Quote:

Originally Posted by Razorbackfan

their website sucks so bad haha they prob do awesome work but they should invest some $$$ on that seriously...

Jun 28, 2009 | 11:17 AM

#13

jordan21210

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From: Baton Rouge

FWIW: the 4.7 to 6.1 is a big job...but the 5.7 to 6.1 is just as simple as a 5.3 to 6.0 in a GM

Jan 18, 2011 | 06:01 PM

#14

TobiYoung

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im not sure

Jan 18, 2011 | 09:24 PM

#15

HemiLonestar

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Its a matter of engine families. The 3.7 and 4.7 are brothers. The 5.7 and 6.1/6.4 are brothers.

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