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Old 10-17-2013, 11:08 AM
neuman22 neuman22 is offline
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Join Date: Dec 2009
Location: Austin, TX
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Vehicle: 2009 Ram 1500 Crew 4x4
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Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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So I'm thinking about upgrading to 4.10's or 4.56's as well to get some power back after installing my lift and was wondering if the computer needed to be updated after installing the new gears. I talked to 4 wheel parts and they said I'd have get a new tune, but I really don't want to for fear of voiding the lifetime warranty. Does anyone know if the dealership will update the computer after 4 wheel parts installs the gears without voiding the warranty on the rest of the engine/drivetrain? I don't care if I lose the warranty on the diffs especially if I go with a 4.56 because those would be pretty much bulletproof. I just don't wanna void my warranty on the engine/tranny/transfer case etc cause I'm planning on driving this bad boy for a long time.
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