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Old 05-07-2013, 07:39 PM
BeZerK2112's Avatar
My Jeep: 2005 3.7L WK
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Location: Glendale, AZ
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Engine Upgrade Options

I have been digging trying to fing information on possible engine upgrades for the WK. Mostly if the bell housig is the same for the W5A580 and 545RFE so the different engines will fit. The idea is to upgrade to the 5.7 from the 3.7. Now I know the 3.7 and the SRT share the same transmission, but the cost to go to the 6.1 is far too much.

Anyone have some input?

WHAT!?! Keep it stock, well that takes the fun out of it...

2005 WK 4X2 - Just getting started.
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Old 05-08-2013, 12:18 AM
My Jeep: 2005 4.7L WK
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Location: Spokane, Washington
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Re: Engine Upgrade Options

Wouldn't the 5.7 Hemi have different connections in the back or something of that nature? It may fit inside, but I think something would be bigger or smaller.
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