Metal ones on. Had no rubber, and was easier to cut some metal and weld them on. Test fitted, then welded. May not be as close as rubber, but the metal ones are on. I also am not realy convinced that they work as good as said on all the you tube videos. I figured, what the heck, I'll try it. If it throws better, that's good, if not, oh well. Noel.
Most people put rubber on there impeller paddles, I put
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