Maybe more that you are looking to spend, but the Moss supercharger with the big boost kit is supposed to get 150 hp: http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=47648 http://www.mossmotors.com/graphics/products/pdf/150-108_Bigboost.pdf -Darrell -- Darrell Walker 66 TR4A IRS CTC67956L Vancouver, WA, USA