Good to see someone doing this without spending $ on resin, but....
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Tank workshop & Blast models of France have conversions, have a look at the reviews, pics, etc, my TWS set shows the noticable difference in the tranny cover.
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http://www.tankworkshop.com/Shop/agora.cgi?cart_id=937.22702&p_id=TWS0025&xm=on
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http://www.tankworkshop.com/Shop/agora.cgi?cart_id=937.22702&p_id=TWS0069&xm=on
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Blast: Reference BL35017K ~ SHERMAN M4A3E2 JUMBO CONVERSION
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http://www.phpshopxml.com/blamod.shop/CID/8d87c14c149e7aeed31004aff562574f/function/itemPageDisplay/shopItemCode/BL35017K
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Reviews here: http://www.usarmymodels.com/MANUFACTURERS/Tamiya/tamiya35139.html
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http://www.missing-lynx.com/articles/usa/jbjumbo/jbjumbo.htm
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http://www.perthmilitarymodelling.com/reviews/vehicles/blast/bl35017k.htm
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