It’s a new build. Welcome to Pulley Boys, your premier source for aftermarket high performance supercharger pulleys. RBS offers a trade in program on all blowers / superchargers. weiand 8mm pitch supercharger pulley wm7109-59 gil. PULLEYS, RATIOS & BOOST – See chart for boost numbers. The speed at which the supercharger fills the cylinders depends on how quickly it is driven by a pulley and drive belt. 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! Performance Trends Blower Boost Calculator Type in the required information: Pulley, Supercharger, Serpentine, Steel, Black, 6-Groove, 2.50 in. If I swap top pulley to 2.86" I'll have a drive ratio of 2.10:1 and should be 7.2psi. The extension that lines up the crank pulley to the blower pulley I have the Weiand 142 on my 383 and love it. 99: 100: 101: 102: 10: 3: 104: 105: 106: 107: 10: 8: 109: 110: 111: 112: 113: 114 115 116 117 118 Specializing in 6-71, 8-71, 10-71, and 14-71’s; The Blower Shop … The chart will find a total teeth range for a specific belt length. The angled piece is just angle iron, and the actual tensioner arm is a generic chrome Autozone part. 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 … 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 … These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. Diameter, Chevy, Weiand, Holley, Each. Best i can get with a tablet camera. Pulley, Supercharger, Serpentine, Aluminum, Black Powdercoated, Weiand 142/177, Each. I put the 2.66 pulley on the blower with the 6 inch crank pulley. add to cart. Part Number: WND-90636 Performance Trends Inc. Here's what various pulley combos did for my V3 setup. These Pulleys to work with as a replacement for a majority of the Blower Systems manufactured today. After installation of the Weiand 6-71 supercharger, we started off in low-boost mode, with a 34-tooth crank pulley and 38-tooth blower pulley. 25 $14.72 $14.72. #ad #ad #ad Description: 45.5 in. Length - w/6 in. The Weiand supercharger gave … $3.00 shipping. ... Weiand 6900 Supercharger to Manifold Gasket. $347.35. $592.32. A Roots-type blower pulls in air and compresses it in the engine’s cylinders. The stock crank pulley for the 6.1 is 6.44. 6 Rib Design For Use w/Stage 3 Professional Tuner System Black Anodized Finish E-Force Supercharger Pulley. The supercharger has been a staple in drag racing since the sport began, from the first hot rods on the salt flats to the beginnings of Top Fuel racing. The aluminum is the original bracket, cut off. The Weiand pulley in the box was a two piece with a spacer and a flat pulley. weiand action +plus h/v water pump wm8209 suit for. I traded for a new,never used, b/m 144 supercharger that i have installed in my 56'chevy.. Everything is fine,except the lower crank pulley is wobbling a little,,my problem is that although this supercharger was bought new in 1990,and b/m no longer sells superchargers, where should i look for parts,or replacement belt when it comes time to replace it?? Edelbrock 15822 E-Force Supercharger Pulley 3.0 in. Centrifugal Blower Pulley OD/UD Calculator, blower overdrive calculator, blower underdrive calculator, pulley calculator The main drawback to Roots-style superchargers is the consistency of the air charge. 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. - download Drive Chart for 1/2" Pitch Pulleys - download Drive Ratio Chart for 8mm Pulleys - download Drive Ratio Chart for 13.9mm & 14mm Pulleys; Final Compression Ratio Chart This chart shows the final compression ratio combining the static compression ratio of an engine and the maximum blower boost from the blower system. 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. The chart above is for a Weiand 6-71 blower with 8-mmpitch drive pulleys. I’ve swapped the balancer 3 times hoping I … Look to Weiand as your power source! This made finding a different size that would fit pretty easy. ... is 12 #s of boost on a 177 supercharger the same as 12 #s on a 6-71 I know its hotter etc. Today, Weiand is still at the forefront of intake manifold and blower development as well as high flow water pumps. To make more power you have to get more air to your engine. It illustrates how one pulley can be changed to achieve a specific blower speed. Weiand's 177 Pro Street supercharger kits are engineered to give you a 25-40 percent gain in power - while maintaining outstanding streetability. Kits are engineered to produce 10-12 lbs of boost on small blocks and 5-7 lbs of boost on big blocks but are a simple pulley change away from pump gas or hard core racing. weiand action +plus h/v water pump wm8209p polishe. Part Number: WND-6791 Not Yet Reviewed Hi! Plus (+) psi boost numbers (+2 psi, +5 psi etc) is a non scientific, inaccurate and confusing method of rating pulleys. This chart shows the static and effective compression ratio at various boost levels for both pump gas and race gas. If you cannot decide which belt will work for your application, we suggest calling our tech Department. Weiand developed the first ever aluminum intake manifold in 1937. I have a 383 in my 80 Camaro with a 177 Weiand blower. 4.9 out of 5 stars 5. The blower and crank pulleys were combined with a … I put VP112 in the car to keep from detonation. Thirty years later Weiand developed complete blower drives for the GMC 6–71 supercharger. Hand building billet Superchargers, The Blower Shop produces some of the best blowers in the business. Weiand has 1 chart that I found for compression to boost ratio Is their another chart or is this the only one. 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) RBS Superchargers is a professional supercharger building and repair service that stocks new and used parts, blower kits and accessories. Producing Quality Computer Tools for Racers and Engine Builders since 1986. Automotive $13.25 $ 13. add to cart. 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 … Telephone: 530-274-FUEL or 530-274-3835 $376.10. My bottom drive pulley sticks out about 1/2” more than the top pulley causing it to run off on the bottom end. The center to center distance between the upper and lower blower pulley. Dyers Blowers is one of the leading manufacturers of street strip superchargers. 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. or should i buy a weiand supercharger.. Hi, I’ve tried searching but have yet to find a solution. add to cart. No clue how it relates to the Novi. Drive Pulley - 10-Rib - Chevy S/B 144 Blower - Low Profile 90825 Pro-Street SuperCharger Serpentine Drive Belt Weiand View … These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. plification, you can think of a roots supercharger installation as removing the carb Weiand 142 Drive Ratio & Estimated Boost Chart (PSI). PULLEY-BELT CHART FROM THE BLOWER SHOPS CATALOG These Pulleys to work with as a replacement for a majority of the Blower Systems manufactured today. I think thats the limit for 93 octane but maybe I can go up to 8psi with boost retard system and msd distributor. 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. weiand 8mm pitch supercharger pulley wm7109-63 gil. 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. The supplied kit featured the supercharger, mounting bracket assembly, and pulley combo. $405.13. Thanks A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. Our supercharger pulleys are made from a single 6061 alloy aluminum billet, and turned to an accuracy within .001 of an inch. PULLEY-BELT CHART FROM THE BLOWER SHOPS CATALOG 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. 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. In addition, low-profile designs are also available to provide added hood clearance in tight engine compartments. At Kenne Bell, we prefer to also use “ratios” (crank pulley ÷ supercharger pulley = ratio) to describe a potential boost increase. out … Pitch Chart Locate your engine and belt style in the chart below. The chewed belt is from failed idler pulley attempt #2. Do not use any Weiand supercharger with a toothed drive belt or a pop-off valve in any enclosed marine engine compartment! The Weiand 142 on my 383 and love it and accessories the original bracket, cut off clearance... Also available to provide added hood clearance in tight engine compartments trade in program on all blowers /.! 3 times hoping I … pulleys, RATIOS & boost – See chart for boost numbers should... Blower development as well as high flow water pumps and 14-71’s ; the Systems... Chart these pulleys to work with as a replacement for a specific belt length water. For Racers and engine Builders since 1986 sticks out about 1/2” more than the top pulley causing it to off. The bottom end the actual tensioner arm is a professional supercharger building and service... Pulleys are made from a single 6061 alloy aluminum billet, and turned to an accuracy.001. Suggest calling our tech Department our tech Department my 80 Camaro with a … Edelbrock 15822 E-Force supercharger 3.0. Stocks new and used parts, blower kits and accessories a … Edelbrock 15822 supercharger. Pulleys were combined with a spacer and a flat pulley you a percent... 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