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having worked on and driven both the 4.6is and 4.8is, i would say go with the 4.6is.
1) Style 87
2) Non-Panoramic Sunroof (yes this is a PRO) some early 4.8is had this also till 4/04
3) 5 Speed trans actually feels better than the 6speed transmission, the 4.6is shifts better and is preditable. You know it will fail on you, and the trans is rebuildable.
4) rear air suspension only, no troublesome 4 wheel air on the 4.8is
5) you could always facelift the front and rear end when ever you want and even retrofit adaptive headlamps
6) valve guides and intermediate levers problems non existant. most 4.8is have these problems with oil consumption and cold start misfiring.
7) the transfer case issue on the 4.6is can be prevented( 1" longer front drive shaft, and replacable sun gear) the transfer case on the 4.8is has issues with the VTG actuator which is $900 and may still need a transfer case if that does not fix it.
the only pro's i would go for on the 4.8is would be the adaptive headlamps and black chrome mufflers, which can be installed on the 4.6is.
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01-25-2012, 10:30 PM
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