pro-street 6-71 and 8-71 supercharger kits come with drive ratios that will ... 5 to 7 pounds of boost on a big block chevy and 11 to 12 pounds of boost on a stock ... block these boost levels are based on 350 or 454 cid engines see our additional ... at the end of this section if your engine is smaller than this your boost will be ... higher if your engine is larger your boost will be lower ... to vary depending upon how well your engine breathes the amount of observed boost ... substantially if you install a weiand blower and your observed boost comes up on the ... means you have a really good breathing engine another factor that can contribute to ... remember that at full throttle your engine is going to need about 50 more air than ... it did before the blower was installed are your air cleaner and ...
hood weiand s pro-street supercharger kits are engineered to give sb chevys 25 to ... maintaining outstanding street-ability kits are now also available for vortec/ ... heads for easy installation on gm crate engines or custom built applications using ... even more added hood clearance in tight engine compartments this 144 system is a ... some applications all weiand 142/144 blowers feature 100 new cnc machined parts no ... perfectly suited for stock or modified engines with 7.5:1 to 9:1 compression ratios · ... kits include manifold blower assembly drive snout pulleys belt and ... hardware · kits designed for stamped steel v-belt ... 400 to 450 horsepower out of a mild 350 chevy · low profile design for hood- ... for standard aftermarket heads · kits available for vortec/fastburn ...