yea i gotta look it up when i get a chance! at work right now and just got a minute to check email so figured id check and see whats up on ffs!!
well i forgot to share this with everyone but i spoke to my dad about this issue at the time (hes a big car nut)....he said no way in hell truck with just over 50k has bad ujoints....he says "you blast drifts the other morning on way home from work" i say "yea why" he says "i bet you have ice built up on driveshaft"....well i went and looked at truck and it had a build up of ice and shizzle stuck in u joints and ice on one side of driveshaft from it melting, running down, and refreezing before it could drip off....cleared this all off and no more shudder or vibration....damn dads a genius!
haha vano hes gotten plenty of drinks from me over the years for help like this and will continue to do so...he truely does know alot and has helped me out several times...