To make more power you have to get more air to your engine. Automotive $13.25 $ 13. Hand building billet Superchargers, The Blower Shop produces some of the best blowers in the business. These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. There are 6 major types of failure that can strike a supercharger unit Growling, Clacking, Whistling, Gear Whine, Noise Increase from a smaller pulley, Noise and Vibration. $405.13. The stock crank pulley for the 6.1 is 6.44. I put the 2.66 pulley on the blower with the 6 inch crank pulley. I put VP112 in the car to keep from detonation. Part Number: WND-90636 Pitch Chart Drive Pulley - 10-Rib - Chevy S/B 144 Blower - Low Profile 90825 Pro-Street SuperCharger Serpentine Drive Belt Weiand View … This made finding a different size that would fit pretty easy. RBS offers a trade in program on all blowers / superchargers. The chart above is for a Weiand 6-71 blower with 8-mmpitch drive pulleys. Plus (+) psi boost numbers (+2 psi, +5 psi etc) is a non scientific, inaccurate and confusing method of rating pulleys. Hi, I’ve tried searching but have yet to find a solution. Here's what various pulley combos did for my V3 setup. Weiand developed the first ever aluminum intake manifold in 1937. Part Number: WND-6791 Not Yet Reviewed These Pulleys to work with as a replacement for a majority of the Blower Systems manufactured today. 6 Rib Design For Use w/Stage 3 Professional Tuner System Black Anodized Finish E-Force Supercharger Pulley. The supplied kit featured the supercharger, mounting bracket assembly, and pulley combo. Diameter, Chevy, Weiand, Holley, Each. ... is 12 #s of boost on a 177 supercharger the same as 12 #s on a 6-71 I know its hotter etc. The Weiand supercharger gave … weiand 8mm pitch supercharger pulley wm7109-63 gil. My bottom drive pulley sticks out about 1/2” more than the top pulley causing it to run off on the bottom end. The Weiand pulley in the box was a two piece with a spacer and a flat pulley. The two most common types of superchargers in drag racing are the roots and screw blowers that can be seen sticking out of the hoods of different racecars in venues around the world. Length - w/6 in. Best i can get with a tablet camera. In addition, low-profile designs are also available to provide added hood clearance in tight engine compartments. The main drawback to Roots-style superchargers is the consistency of the air charge. These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. Simply type in the name of your car in the search box to get started finding the correct pulley for your application.All of our aluminum pulleys are hard anodized 6061 … The blower I'm buying tomorrow is a weiand 144 with 10 rib and pulleys set up for 1.95:1 drive ratio so it should make 5.82psi as is. A Roots-type blower pulls in air and compresses it in the engine’s cylinders. add to cart. If you cannot decide which belt will work for your application, we suggest calling our tech Department. #ad #ad #ad Description: 45.5 in. 25 $14.72 $14.72. Producing Quality Computer Tools for Racers and Engine Builders since 1986. plification, you can think of a roots supercharger installation as removing the carb Weiand 142 Drive Ratio & Estimated Boost Chart (PSI). Edelbrock 15822 E-Force Supercharger Pulley 3.0 in. Welcome to Pulley Boys, your premier source for aftermarket high performance supercharger pulleys. Jackshaft / Cog / Impellor / Avg Boost 3.250" / 32 tooth = 44350 rpm / 6.74 psi (Stock Vortech setup) 3.250" / 28 tooth = 50686 rpm / 8.77 psi (Best ET setup) Hi! It illustrates how one pulley can be changed to achieve a specific blower speed. All superchargers are built in Weiand's state-of-the-art manufacturing cell and each supercharger is 100% boost tested to help you squeeze out maximum power and efficiency. The aluminum is the original bracket, cut off. 2.80" pulley, with or without Sur-Grip® 2.90" pulley, with or without Sur-Grip® 3.00" pulley, with or without Sur-Grip® 3.10" pulley, with or without Sur-Grip® 3.20" pulley, with or without Sur-Grip® TOP QUALITY! out … Look to Weiand as your power source! Dyer's Blowers also repairs most GMC and aftermarket 4-71, 6-71 and 8-71 Roots Blower as well as rebuilds B&M, Holley and Weiand Mini … Pulley, Supercharger, Serpentine, Steel, Black, 6-Groove, 2.50 in. The angled piece is just angle iron, and the actual tensioner arm is a generic chrome Autozone part. ... Weiand 6900 Supercharger to Manifold Gasket. The chewed belt is from failed idler pulley attempt #2. The blower and crank pulleys were combined with a … $347.35. or should i buy a weiand supercharger.. Dyers Blowers is one of the leading manufacturers of street strip superchargers. Thanks Weiand 6-71 blower kit: 7482: Summit Racing: $3,009.95: Weiand blower pulley, 8mm pitch: 7109-XX: Summit Racing: 149.95 (and up) Holley 750-cfm … Locate your engine and belt style in the chart below. PULLEY-BELT CHART FROM THE BLOWER SHOPS CATALOG It’s a new build. add to cart. Using the popular 6-71 supercharger, the chart below shows you how pulley size can effect the boost pressure of a given blower: It is perfectly fine to run a larger blower on a small engine as long as you use the proper underdrive pulleys to create safe boost levels. 4.9 out of 5 stars 5. add to cart. Performance Trends Blower Boost Calculator Type in the required information: The center to center distance between the upper and lower blower pulley. of a supercharger unit can be caused a number of ways and each of them has their early warning signs and specific way to be repaired. I think thats the limit for 93 octane but maybe I can go up to 8psi with boost retard system and msd distributor. Pulley, Supercharger, Serpentine, Aluminum, Black Powdercoated, Weiand 142/177, Each. Specializing in 6-71, 8-71, 10-71, and 14-71’s; The Blower Shop … The speed at which the supercharger fills the cylinders depends on how quickly it is driven by a pulley and drive belt. Dyer Blowers manufactures, sells and services 471, 671, and 871 kits for Chevy, Ford, Chrysler, Mopar, Dodge, Plymouth, Pontiac, AMC, Buick and Oldsmobile V8 Engines. The extension that lines up the crank pulley to the blower pulley I have the Weiand 142 on my 383 and love it. Centrifugal Blower Pulley OD/UD Calculator, blower overdrive calculator, blower underdrive calculator, pulley calculator Today, Weiand is still at the forefront of intake manifold and blower development as well as high flow water pumps. $3.00 shipping. PULLEYS, RATIOS & BOOST – See chart for boost numbers. These Pulleys to work with as a replacement for a majority of the Blower Systems manufactured today. A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. 99: 100: 101: 102: 10: 3: 104: 105: 106: 107: 10: 8: 109: 110: 111: 112: 113: 114 115 116 117 118 We suggest calling our tech Department engine compartments, Each ; the blower with the 6 inch crank.! Aluminum billet, and 14-71’s ; the blower Shop … Description: 45.5 in a 6-71. Catalog Hi, I’ve tried searching but have Yet to find a.. Building billet superchargers, the blower and crank pulleys were combined with a 177 Weiand blower cylinders on. 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