As long as it floats you can just about use anything as a float. I used a piece of wood as a float on my '32 many years agp. If you do have a hole you can get a float at a parts place,Speedway,summitt,Jegs or the like.

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1986 XLT extended cab 51000 miles 2.9 V-6 Automatic. Runs like a dream. 22 MPG

"Life is tough...Its tougher if you are stupid"