Bongo Fury

http://shop.ebay.co.uk/?_from=R40&_trks ... Categories

prices seem to vary from 30 quid to 80

any one used any of these dealers

or know whats different about them

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Fitted a JAS one seen here compared to the original, shiny one is the JAS one









JAS one has more vanes but no curvature on the vanes, not sure what effect that may have? does the increased number of vanes make up for the lack of curvature? or do they maybe increase cavitation if the pump action isn't as smooth?