I have got a 2001 f250 with the shift on the fly 4x4 which is controled by the knob on the dash. My question is the only selections on this knob are 2wd, 4hi,4lo ...but there is no spot for neutral . Is there a way to put transfer case in neutral on these trucks?

I've got a 5.4 and would like to let 'er breath a little easier . I have a cold air intake priced around $300+ or a filter for $30 . I can gain about 10.9 hp with the cai . No hp rating available for filter alone. My question is should I go with a complete cai or just a filter swap. Will I see a...