Im New To This Forums And This Is My First Post, I Just Purchased A 91 1/2 Ton Silverado Extended Cab 4x4.it Has The Standard Small Block And Th700r4/4l60e .the Transmission Is Leaking Through The Output Shaft Seal And Leaking Where Transfer Case Mates To It.has Anyone Experiensed This?ive Searched And Apparently The Transmission Needs To Be Opened To Replace The Seal.a Friend Sold Me A 91 3/4 Ton 4x4 ,im Going To Pull The Tranny And Install It In Mine ,my Question Is , Can I Replace My 6 Lug Axles To 8 From The 3/4 Ton . What All Is Involved ?i Have Some Idea But Would Like Some Feedback.the Reason Im Asking Is Because The 3/4 Ton Has A Real Nice Set Of Wheels ,i Wana Know If Its Worth It Other Wise ,ill Have To Sell Them.