weiand 8mm pitch supercharger pulley wm7109-59 gil. 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) Part Number: WND-90636 Centrifugal Blower Pulley OD/UD Calculator, blower overdrive calculator, blower underdrive calculator, pulley calculator RBS offers a trade in program on all blowers / superchargers. Telephone: 530-274-FUEL or 530-274-3835 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 blower and crank pulleys were combined with a … The chart will find a total teeth range for a specific belt length. 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. 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 … These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. 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?? Producing Quality Computer Tools for Racers and Engine Builders since 1986. The aluminum is the original bracket, cut off. I’ve swapped the balancer 3 times hoping I … Weiand's 177 Pro Street supercharger kits are engineered to give you a 25-40 percent gain in power - while maintaining outstanding streetability. PULLEY-BELT CHART FROM THE BLOWER SHOPS CATALOG 4.9 out of 5 stars 5. Welcome to Pulley Boys, your premier source for aftermarket high performance supercharger pulleys. 99: 100: 101: 102: 10: 3: 104: 105: 106: 107: 10: 8: 109: 110: 111: 112: 113: 114 115 116 117 118 Locate your engine and belt style in the chart below. The Weiand supercharger gave … weiand 8mm pitch supercharger pulley wm7109-63 gil. 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. Today, Weiand is still at the forefront of intake manifold and blower development as well as high flow water pumps. The chart above is for a Weiand 6-71 blower with 8-mmpitch drive pulleys. No clue how it relates to the Novi. $347.35. Automotive $13.25 $ 13. 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 … The main drawback to Roots-style superchargers is the consistency of the air charge. Our supercharger pulleys are made from a single 6061 alloy aluminum billet, and turned to an accuracy within .001 of an inch. Drive Pulley - 10-Rib - Chevy S/B 144 Blower - Low Profile 90825 Pro-Street SuperCharger Serpentine Drive Belt Weiand View … The stock crank pulley for the 6.1 is 6.44. These Pulleys fit most, including B&M, WEIAND, PSI, BDS, BOWERS, DYERS, SUPERCHARGER USA, HAMPTON, MOONEYHAM, SSI, and DETROIT DIESEL 71 series style blowers. It illustrates how one pulley can be changed to achieve a specific blower speed. $3.00 shipping. In addition, low-profile designs are also available to provide added hood clearance in tight engine compartments. Part Number: WND-6791 Not Yet Reviewed Here's what various pulley combos did for my V3 setup. 6 Rib Design For Use w/Stage 3 Professional Tuner System Black Anodized Finish E-Force Supercharger Pulley. 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. My bottom drive pulley sticks out about 1/2” more than the top pulley causing it to run off on the bottom end. Pulley, Supercharger, Serpentine, Steel, Black, 6-Groove, 2.50 in. 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. The speed at which the supercharger fills the cylinders depends on how quickly it is driven by a pulley and drive belt. The angled piece is just angle iron, and the actual tensioner arm is a generic chrome Autozone part. add to cart. Performance Trends Blower Boost Calculator Type in the required information: 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 … Edelbrock 15822 E-Force Supercharger Pulley 3.0 in. Pulley, Supercharger, Serpentine, Aluminum, Black Powdercoated, Weiand 142/177, Each. At Kenne Bell, we prefer to also use “ratios” (crank pulley ÷ supercharger pulley = ratio) to describe a potential boost increase. RBS Superchargers is a professional supercharger building and repair service that stocks new and used parts, blower kits and accessories. Hi! $376.10. Best i can get with a tablet camera. Specializing in 6-71, 8-71, 10-71, and 14-71’s; The Blower Shop … If you cannot decide which belt will work for your application, we suggest calling our tech Department. 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. out … 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. Hand building billet Superchargers, The Blower Shop produces some of the best blowers in the business. ... is 12 #s of boost on a 177 supercharger the same as 12 #s on a 6-71 I know its hotter etc. 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. - 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. The center to center distance between the upper and lower blower pulley. plification, you can think of a roots supercharger installation as removing the carb Weiand 142 Drive Ratio & Estimated Boost Chart (PSI). Performance Trends Inc. 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. 25 $14.72 $14.72. 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. add to cart. A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. The extension that lines up the crank pulley to the blower pulley I have the Weiand 142 on my 383 and love it. A Roots-type blower pulls in air and compresses it in the engine’s cylinders. Diameter, Chevy, Weiand, Holley, Each. or should i buy a weiand supercharger.. Length - w/6 in. I have a 383 in my 80 Camaro with a 177 Weiand blower. It’s a new build. Plus (+) psi boost numbers (+2 psi, +5 psi etc) is a non scientific, inaccurate and confusing method of rating pulleys. If I swap top pulley to 2.86" I'll have a drive ratio of 2.10:1 and should be 7.2psi. The chewed belt is from failed idler pulley attempt #2. weiand action +plus h/v water pump wm8209p polishe. $592.32. 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. The supplied kit featured the supercharger, mounting bracket assembly, and pulley combo. 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. This chart shows the static and effective compression ratio at various boost levels for both pump gas and race gas. Pitch Chart add to cart. Look to Weiand as your power source! I think thats the limit for 93 octane but maybe I can go up to 8psi with boost retard system and msd distributor. ... Weiand 6900 Supercharger to Manifold Gasket. Do not use any Weiand supercharger with a toothed drive belt or a pop-off valve in any enclosed marine engine compartment! $405.13. Dyers Blowers is one of the leading manufacturers of street strip superchargers. To make more power you have to get more air to your engine. Weiand has 1 chart that I found for compression to boost ratio Is their another chart or is this the only one. The Weiand pulley in the box was a two piece with a spacer and a flat pulley. This made finding a different size that would fit pretty easy. #ad #ad #ad Thirty years later Weiand developed complete blower drives for the GMC 6–71 supercharger. Hi, I’ve tried searching but have yet to find a solution. weiand action +plus h/v water pump wm8209 suit for. PULLEY-BELT CHART FROM THE BLOWER SHOPS CATALOG Thanks Description: 45.5 in. 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