There is a great thread on the Ultimate Air Cooled Forum with a lot of good pictures, many of which I took and posted, showing my friend Dick Beith's Bonneville Lakester Beetle that he built himself.
It's top has been chopped, rear fenders narrowed 5" each side or so, nose stretched, front wheel base narrowed 12" with fender inside the fender wells... it right up your alley, and pretty wild.
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You'll have to get a log-on and password to see pics, but well worth it!