I installed a ta eliminator kit on 1086 and the parts supplier failed to inform me or assume that I knew to replace the solid speed transmission main shaft with a hollow shaft with center drilled out or have the old shaft drill out .....I became aware that one should also replace the solid main speed transmission shaft with a hollow or drilled out shaft for lubrication after I purchased a ta eliminator kit for my other ih 1066 from a different parts house who inform me that I needed to. I hate to split the 1086 again and replace the shaft ... Any suggestions ?? Can I get by without replacing the shaft or risk some type of trans failure or bearing failure??