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31 Ιαν 2013 · However, if your vehicle already produces good low-end power and torque, a centrifugal blower is the best choice for maximizing high-rpm power. Roots-type superchargers are simply large air pumps. A Roots-type blower pulls in air and compresses it in the engine’s cylinders.
15 Μαρ 2013 · For best performance with a blower, you should look for a cam that has higher lift and longer duration on the exhaust side. Street performance with a blown engine is usually best with a cam that is ground with a 112- to 114-degree lobe separation.
13 Οκτ 2020 · If you’re looking to add a lot more power to your hot rod or late-model muscle car, you’re probably considering a turbo or a blower. We review the pros and cons of both.
16 Οκτ 2019 · Big blowers add to mid-range and top-end performance. Because superchargers push the air/fuel mix into an engine, they’re well suited to stock motors — provided you don’t get greedy with how much boost you want to run or how hard you want to rev the engine.
15 Φεβ 2013 · You can use smaller pulleys (overdrive) to run a blower faster for more boost; you can add larger pulleys (underdrive) to run the blower more slowly for less boost. Using the popular 6-71 supercharger, the chart below shows you how pulley size can effect the boost pressure of a given blower:
1 Δεκ 2012 · You should be fine with compression ratio, my blown SBC has 11:1, alky likes higher compression. With the higher cr, you won't need as much boost to build the cylinder pressure. My concern would be the stock block, get high-quality main caps and bolts to keep it together.
6 Ιουν 2007 · It depends on your set up/ specs, but for most blown small blocks I would think 18-22 initial, with 32-36 total. I run 24 initial and 36 total, and i am at 14 pounds of boost right now. My motor likes lots of initial with the low static compression.
