Depends on how far you want to go. could be just oil cooler seals or pull the heads, flywheel, split the case, total rebuild like we did to Ronnie's engine out of Sparky. singlecabboy <sealingwaxred@xxxxxxxxxxxxx> wrote: What all dose this intale? Mine usually leaks like an ole Harley. Paul Smith www.23window.com/thezone T.C.B. H.B.B.