2008 6.4 PSD 83,000 miles. Been running the spartan 275 tune for a little over a year now. Was driving down the highway at 70 mph when I started to notice a loud howling / whining noise that seemed to match the rpm of the truck under power. Sounds like it is coming from right underneath the...

I have an early 1999 f350 7.3 4X4 with a 4r100 auto trans. Pulled a friend out of mud with truck locked in manual 2nd. First it started shifting late now there is no second gear. Shifts from 1st to 3rd. Have to achieve atleast 20mph or 2300 rpm in first then let your foot off for it to shift to...

New to the forums. I read around a bit and couldn't seem to find thread with my problem. Anyways... I have a 1997 F350 Crew Cab Dually 7.3 PSD 2wd. 347,000 miles. Recent oil change and transmission flush. It is almost completely stock except for the 10k mod. About a week ago I put a good...

i have an 08 6.4 4x4, 6in lift with 35s has sct livewire set to performance tune did not adjust trans settings on tuner havent had any noticable tranny problems but bought a 38ft fifth wheel camper and after pulling couple times noticed the truck bogging while pulling the trailer after about 20...