why dont you keep all this in the same thread sop as people know what you are thinking of doing before they try to sell you an engine you do not need Chains are a days work for a competent mechanic garages will try to charge about 900 you should be able to get a good example for 1500 if yours has good body work you might as well keep it and transplant a good engine into it or have your chains done its not worth transplanting an engine that will need chains doing shortly