[quote=bh3700]My 5.0 had the old style base. It was riveted on with three rivets. After drilling out the rivets, it just slide off. I put on the captive ball mast base, but it did not fit over the enter base. To seal the mast, I put styrofoam in the base and sealed it with silicon. Did anyone else run into this ? Did you leave the bottom open and seal everything above the base? Did the base of the mast change in later years to account for the new casting shape? Here are the old and new bases. [img]https://lh3.googleusercontent.com/-GFBG7EWNx0k/TJAX2c797XI/AAAAAAAABC4/RTKhJXijgTI/s400/CRW_6895.jpg[/img] [img]https://lh6.googleusercontent.com/-FGd6UvvrFLY/TJAX2cXUNFI/AAAAAAAABC8/XiA0uSf5jTU/s400/CRW_6897.jpg[/img] [img]https://lh6.googleusercontent.com/-KvR_-LuvJ80/TJAX3K1h7lI/AAAAAAAABDE/W4I6hR16FUk/s400/IMG_2904.jpg[/img][/quote]
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