power valve answer nothing will kill a blower or nitrous engine quicker that a lean ... about the power valves on a roots style blower engine the power valve is installed to ... and richens up the main system on a blower with the carb mounted above the rotors ... we offer quite a few different size blower carbs with this already done consult ... boost gauge this will tell you what the blower is doing on your combination there are ... separation engine load exhaust size and blower drive ratio are just a few if the carbs ... if enough air can t pass through the blower it will not make boost if the camshaft ... if you do not have the correct drive ratio for the blower it may also build less ... boost the blower will not make any boost on a free ... has to be under a good load for the blower to make boost car on the road or track ...
application the higher the compression ratio or the higher the boost the less total ... time superchargers supercharger drive ratios supercharger boost pressure is affected ... relationship to the engine speed bigger blowers that are driven at the same speed as a ... smaller blower will produce more boost smaller ... are usually operated at higher drive ratios than the larger 250 and larger blowers ... these faster blower speeds are more efficient at lower ... engine speeds compared to the larger blowers for example the weiand 142 pro-marine ... chevrolet is supplied with a 1.95:1 ratio the weiand 177 pro-marine is supplied ... with a 1.71:1 drive ratio these drive ratios will provide about 5 7 pounds of boost ... is equipped with a 1.40:1 drive ratio to provide approximately 5 7 pounds of ...
