Yes I did. The original IXA blocks used in those engines did not have replaceable inserts and I never heard of the half and hald deal. The old or first HG &amp; GG Cletrac units used the IXA engine and I need to get some of my old books out to check a few things. Where are you located? I am in Ohio. Depending on the weather as we have some fall harvest work to do yet and my employer has a special assignment for me that is due Tuesday, but I will try to check some more of this out by this week end. Send me a U. S. mail and a normal e-mail adress and I will get back with you. Right now we are having a little scaner problem so I may need to photocopy this information for you. John