Supercharger pulley size difference

i have SHELBY GT500 2008 with Whipple 3. Qty: IE's 207mm overdrive crank pulley for the Audi supercharged 3. 5 psi from stock. / blower pulley dia. We also have a oil system volume calculator to help you fill and prime your Rotrex supercharger system correctly. Price: $169. Reviews. 0" pulley) Stage 2, crank support, ATI damper, 1050X, Fore return on E85, OPG/CS, ARP head studs, RXT clutch, Steeda progressives, IRS subframe braces, diff bushings, MGW Shifter, SVE GT350 wheels 19x10/19x11, 285/35/19 Front and Nitto 555R2 305/35/19 Rears R53 Supercharger Pulley Choices. 6 calcs, I expected my 3. 7. Item #: SCP-8. 87 mph! Compare at $228. Type in the required information: Blower Belt Ratio. 14), then multiply the result by the percentage of belt wrap (~60%). But that all depends where you are on the chart. Pulley Size Change: The 1995 Buick sourced M62 supercharger installed on my truck had a 2. #9 · Apr 8, 2006. Phone: (913) 338-2886 Fax: (913) 338-2879. The M90 is 90 cubic inches or 1475 cc. APR’s Supercharger Drive Pulley Upgrade decreases the diameter of the factory pulley from ~63. Jul 7, 2016 · Just goes to show how when the calculator is used properly, by dialing in your existing combo, to calculate your new combo, it can be quite accurate. 7", 2. At higher boost the difference in efficiency jumps to 5%+. Jun 30, 2021 · 2018 GT Premium, 401A, PP1, Procharger D1X (4. Pulley size/Color. +. so if stock is 3. 9 lbs. 2800 HP. 60 and up of super charge pulleys, they don't carry the 2. It will rotate the SC at a value less than what the 17% alone will do. Put keyway key into slot and position new pulley over shaft 9. In a Challenger Redeye or Demon, expect closer to 45 rear wheel horsepower on pump gas and Demon owners can pick up 70 at the wheels when Jan 24, 2005 · NORCALSTI said: ok for every 1/4 inch smaller on the pully it gets you about 2 psi. 2 lbs. 4" supercharger pulley will get you about the same amount of boost. Welcome to Pulley Boys, your premier source for aftermarket high performance supercharger pulleys. 1:02 in the video explains the difference between a redeye/demon motor and a hellcat motor. 2 boost levels with a 4 lb lower to be the following. 4 will get you about 2 more psi than the 3. You have enough range on the tensioner to use either one, since they're only . -. How much more boost can I make with a smaller pulley? This depends on the engine displacement and supercharger size. 2” or 5mm change in pulley diamter approximatley results in a 1PSI boost pressure change. APR: 57. 6 revolutions for every revolution on the Mar 20, 2008 · The stock crank pulley size is stated by MINI as 140mm. See guide below for measurements (-2) Camaro SS LT1 crank pulleys are in this category. Stock: 63. 19 Aug 1, 2003 · 3. 6 x 2. Here at ICT Billet we design our brackets based off these three spacing principles. 2001 Buick Park Avenue Ultra. 6. For those seeking a bit more power, the 17% is the ideal choice! Apr 18, 2020 · 491 posts · Joined 2019. Dropping pulley size will require some kind of intake (CAI/FWI), 3" D/P, U-bend delete, reprogrammed PCM, 180* T-stat (drilled prefered), and 1 heat range cooler plugs in order to help keep KR in check. You can safely go to a 3. 7 heads and cam with the magnuson supercharger with 6. I'm at 461rwhp my goal is 500rwhp Nov 4, 2010 · I would suggest looking into the JHM pulleys - they offer both 179 and 187mm sizes. 5 to 8. 1 in pulley size is 1 pound of boost more, so u'd pick up 2 pounds of boost, sure you will prolly notice a harder pull. Boost is directly related to the size of the driven pulley on the supercharger. 4000 CFM. The longer belt is spec'd for the 07-12 by virtue of it's larger supercharger upper pulley (3" vs 2. Jan 17, 2009 · Whats the difference between the cooper S, and JCW supercharger, what size pulleys do these have as standard, and what sort of increase in BHP should i expect from a standard 200bhp JCW mini from replacing pulley to a 15% or a 17% May 21, 2023 · The faster you spin a supercharger the hotter it gets and the more strain is put on its components. 770 in. A faster spin rate is not always better so: 1) pushing stock LSA blowers past 23,000 RPM is not recommended. A Roots-type blower pulls in air and compresses it in the engine’s cylinders. 10-Rib Black Anodized. May 10, 2014 · hey guys I just wanted to let you know American muscle. 4L hellcat blower. 5 lbs of boost and is usually good for 420-440hp. Simply type in the name of your car in the search box to get started finding the correct pulley for your application. So to stay within their tolerances when getting a smaller supercharger puller, the Mar 10, 2010 · 14 posts · Joined 2008. ProCharger (Kansas City) Company Headquarters. In other words the top pulley goes 2. Machined from high quality aluminum and suitable specially for built engines that can handle more boost. Performance Trends Blower Boost Calculator. 5 upper - 21. Oct 30, 2023 · As I assume you realise, increasing the supercharger drive ratio increases the airflow at a given engine speed, and hence a lift in boost pressure. 50" wide. stock lets say 3. Reason being the larger crank pulley doesnt just spin the supercharger faster, it spins everything faster, requiring more energy. 0 models, and other products including intercooler radiators, road springs, roll bars and supercharger parts or some of the Jaguar range. and 2) pushing the stock LSA blower belt train over a 35% overdrive level is also not recommended and 3) using an idler smaller than 50mm For example if you have a 100mm pulley on the supercharger and you have 12 psi currently but want 16 psi, you can divide the pulley size by your target boost and then multiply by your current boost - (100/16) * 12 = 75mm. The 4. com (Atkins rotary) they offer different supercharger pulleys for many applications. -using 3. 50 pulley is 7 psi. that should be for 3. 62. Eaton M62 Nissan Qwikchange Pulley Kit. A 17%*SC pulley is just that. The speed at which the supercharger fills the cylinders depends on how quickly it is driven by a pulley and drive belt. 4# or 6# lower pulleys are the norm. Oct 15, 2016 · The ratings for superchargers are therefore given in L/rev (litres per revolution) or cc/rev (cubic inches per revolution). Jul 5, 2004 · The Saturn Ion RedLine (RL) features the 2. Edelbrock Competition Supercharger Pulley #15854 2. You'll pick some of that up by virtue of the larger idler pulley. 25". 95 = 2. Feb 26, 2023 · Measuring and weighing the stock and Kspeed supercharger pulleys for the Kawasaki Ultra 310 series JetSki#jdswaterworld 60000 RPM. Feb 9, 2015 · We have applications that use 4-Rib, 6-Rib, 7-Rib, 8-Rib, and 10-Rib serpentine pulleys, Cog drive pulleys in several different configurations, and even driving the unit via a gear drive have Feb 9, 2015 · We have applications that use 4-Rib, 6-Rib, 7-Rib, 8-Rib, and 10-Rib serpentine pulleys, Cog drive pulleys in several different configurations, and even driving the unit via a gear drive have The bypass valve and bypass actuator are necessary for the supercharger to function. 6". It's my daily driver, so between the choices of 15%, 16%, and 17% I am thinking 15% or 16%. Our comprehensive chart provides the pulley sizes and approximate boost levels for each Whipple Superchargers kit, taking into account stock vehicles. 2 pulley running 6. See our additional drive ratio charts at the end of this section. How much PSI does that have the stock supercharger running at aprox? Should be about 13/14 psi or so 3. Combine this with other simple Mods and feel the difference. Remove the pulley with a 3 prong pulley puller 7. If I were to guess I There will be a part number on the backside of the supercharger pulley. Boost levels depend on a number of variables, the cubic inch displacement of the engine, the crank pulley size, the supercharger and/or crankshaft pulley size, the flow capabilities of the intake manifold, heads, fuel systems, etc. 0 and 4. 58 / 2. Example: 1313-6K85-AA (see right) would translate to a 6 rib pulley sized out to 85mm. 0" or smaller SC pulleys will likely require a smaller SC belt size. 8" pulley. NEW. Click here to see how our superchargers compare to each other. 00 @ 125. Using the long 3/8" ratchet, fit it into the supercharger belt tensioner and pull the tension off the belt. Engine Vol. e. Find Vortech Supercharger Pulleys and get Free Shipping on Orders Over $109 at Summit Racing! Vortech supercharger pulleys are made of 6061 T-6 aluminum, hard anodized, and built to SAE standards. Your stock Dinan pulley is 5. Above 13psi or so the t-trim is 10% more efficient then the s-trim. 75mm - verified independently. Supports: Various Engines & Superchargers. With the 3. Going with the 179mm setup is basically the same as swapping the supercharger pulley for a smaller one. yes, switch the pully and scan for kr*. 83%. Apr 19, 2017 · I used the following calculation from this source ZL1/CTS-V LSA superchargers Calculating Boost on your ZL1 / LSA swap. 7 psi. ***** THESE PULLEYS ARE ONLY COMPATIBLE WITH THE ZPE HUB SYSTEM *****. 2013 Roush Stage 3 M6 Roush CAI, 82mm pulley, ID1000's, KB BAP, Vossen CV3 20x9-20x10. g. 5 to 7lbs. This results in a healthy bump in horsepower and torque across the entire RPM range with the supercharger operating at a higher rate of speed. The supercharger just spins - it doesn't know or care which pulley's diameter is changing. 7 might be ~ 1. Folks see 95%~ duty cycle with the stock injectors with a 2. Pulley Size. and intake. 6 made I can tell you the 3. 908 (crank pulley dia. 83 14. 94 is best but some states only have 91. 85lbs boost. pulleyboys. 4. All supercharged vehicles. ProCharger (California) Branch Office Sep 19, 2015 · The ZL1/CTS-V LSA superchargers installed on a factory 376 cubic inch LS is rated at 9lbs of boost. Diameter, Each. It is very difficult to say that one pulley makes this amount of boost. / Nismo Cat-Back / 2nd Cat Delete / Z31parts. I just ordered the 3. 0". 2. Buy in monthly payments with Affirm on orders over $50. com IMS & 170° T-Stat / Coolant Bypass / We have a range of supercharger upgrade pulleys available for Jaguar and Range Rover cars from the early 4. 15871. 9", 3. It seems like the stock Redeye/Demon is a 3. Discover the perfect pulley size for your application, whether you own a 2003-2004 SVT Cobra, 1999-2004 SVT Lightning, 2007-2014 Shelby GT500, 2011-2014 Mustang GT, 2015-2017 Mustang GT, 2018 this is a vortech v2 sq supercharger and i have three pulleys that give different levels of boost and horsepower Aug 20, 2023 · Current Boost: The present boost pressure level being generated by the supercharger (in psi). Pound pulley onto shaft with a Nov 16, 2009 · So, the ideal belt size would be 1363mm. 6 pulley is not the stock pulley, with the stock pulley you will see approx. I have an SSEi, and I have herd many things, I know changing the size on your supercharger pulley (especially to a 3") will gain around 35 horsepower and so much more boost, and running around 70 bucks, it is quite tempting since a friend of mine has the special 3800 tool to remove and install the pulley The 1UZ-FE has a 5. Vortech sells a 2. Efficiency, %. -OEM SC belt works with 3. If reliability is of concern stick with a 4# lower. LIGHTWEIGHT. 92/2. Boost (psi) = (PR x 14. 7L blower vs. Racer can choose pulley size from drop down menu. 9 - ubend delte. ADD ZPE MKII HUB FOR LSA/LS9 WITH 10 X TITANIUM SCREWS. Dec 31, 2011 · Another way of generating the same boost (same impeller speed) having a larger supercharger pulley is to increase the size of the crank pulley. What is the OEM size supercharger pulley? I believe it is 3. 12" s/c pulley (with the 5. 7"). 4 then 3. Sep 17, 2019 · In other words, if you drive a Hellcat Challenger, Hellcat Charger or Jeep Trackhawk, the Litens 3. A 15% + 2%OD crank does NOT equal a 17% pulley. 114th Terrace. The main drawback to Roots-style superchargers is the consistency of the air charge. 45 PSI. 50 pulley is 15 psi. 2 inch I ended up with (and the 2. Output rose from 405 rwhp to an impressive 460 rwhp-above what we like Jul 28, 2017 · I run through the simplified math of calculating the correct ratio of pulley diameters for optimum boost within the 1500-5500 RPM range for Ball6 Impala's bl This "spacing" is determined by the crank pulley that you have, or will be getting. 8mm HTD Blower Pulley. welll if your series 3 still comes with the 3. The stock supercharger pulley is stated by EATON as 65. I know I'll need a shorter belt and colder spark plugs. Target Boost: The desired boost pressure level you aim to achieve (in psi). This Supercharger Pulley Package is the best bang for your buck for the Gen 1 Cooper S! By adding a smaller supercharger pulley, you will see 15 to 20 HP (depending on your car's engine and pulley size), and you can rest assured that you're doing it safely and correctly. This depends on the engine displacement and supercharger size. These are the ultimate upgrade pulley for your factory supercharger designed to be used in conjunction with the ZPE MK II hub (uses ten titanium Feb 18, 2012 · There is not going to be much difference between those sizes on a V1 S. The latest generation offers a more efficient low-end power and improved Jan 4, 2012 · In order to increase boost by swapping the upper pulley a smaller diameter pulley must be used which increases the likelihood of belt slip. 5/3= 1. 3. Therefore: 7. 25" crank pulley and a 3. Edit: 3. Learn more. The major difference is they are using helical gears inside of Dec 18, 2014 · You also have to buy an 8-rib supercharger pulley. 8" crank pulley and a 2. ALTA Supercharger Pulleys are offered in two sizes: 15% and 17% reductions. 8mph 1. Aug 3, 2006 · PR is pulley ratio, crank pulley diameter divided by drive pulley diameter. 5 and 2. 0 and 3. Pulley Size 2. Feb 2, 2009 · The 3. 75mm, which in turn spins the supercharger ~9. 9 Find Magnuson Supercharger Pulleys and get Free Shipping on Orders Over $109 at Summit Racing! These Magnuson supercharger pulleys are 6-groove, serpentine-style pulleys. If you knew what amount of boost the 3. Mounted at the end of the supercharger's input shaft, the supercharger pulley is designed so that its size is directionally proportionate to the speed that the supercharger turns, resulting in a predetermined power See Other Side for F-Series Supercharger Specs PROCHARGER SUPERCHARGER SPECIFICATIONS STREET INVENTED, ENGINEERED, MADE IN THE USA FIND YOUR BOOST AT PROCHARGER. They are made of high-quality steel and have a zinc finish for long-lasting durability and performance. NOt sure of the math but it's closer to 16%. . 875 in. Basically everything is different except for the cylinder heads. This can either be done by decreasing the diameter of the supercharger pulley or increasing the size of the crank pulley. Vortech V-2 head units are similar to the V-1 superchargers where the supercharger will require an oil feed line and oil drain line. All of our aluminum pulleys are hard anodized 6061 T6 billet, press fit pulleys Mar 16, 2021 · Water to pour on pulley to cool it. Procharger. The bypass solenoid is not used in most swaps because it is not required to run the supercharger and only E67 ECU’s can operate the solenoid. Eaton state the maximum RPM for the M45 is 16,000rpm. Jan 31, 2013 · Roots-type superchargers are simply large air pumps. #13 · Sep 17, 2009. 67@138mph. Aug 23, 2006 · I would suggest you stay with the stock 3. 4 supercharger. 2004 DSG Mustang Mach 1 4r75w - 508/436 on E85. If you want to go down even farther then you need a better inercooler cam or rockers. Equipped with the same blower pulley, the TVS supercharger increased May 23, 2024 · A supercharger pulley is a device used on a supercharger to drive the unit through use of the engine's accessory belt drive system. 17% Reduction. PULLEY TYPE SIZE BELT; 6 RIB C5 / C6: 3. 30mm -. COM 14801 W. Peace and mercy of God be upon you. Unitronic: 58. 50 supercharger pulley, what do you guys recommend is the 2. Feb 23, 2008 · Location. 0" 3. 908 = 8. 8" pulley my understands is ever -. So taking Hennessey’s 800bhp GT350 Mustang as an example, its ‘2. 5% faster. 7 - I Belt Size Charts for A&A Corvette Supercharger Systems. 782" bolt circle. B8 / B8. Mar 12, 2015 · 1. 8-Rib, Black Anodized. Remove the pulley bolt on the supercharger with an impact gun 6. 0 TFSI platform increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install. In the setups. Blower Vol. They are CNC-machined for maximum surface contact and are available in several styles to suit your application needs. If your car has 85k miles or more, it is a good idea to change all of the idler and tensioner pulleys on both the accessory and SC belts. Typically, you will have a starting baseline reference from the stock supercharger pulley that came with May 14, 2021 · Does pulley size make difference? yes you will get more boost because your are spinning the belt faster, but you will see less gains with a larger crank pulley than you will with a smaller supercharger pulley. There are three pulley changes a Jaguar mechanic can use in order to get the supercharger to spin faster. #4 · Apr 18, 2020 (Edited) Any reputable tuner will tell you for safety that if you are throwing more air density via increased supercharger boost you'll want to up the injectors. 2". Do get a Pulley Remover for the original one and follow the easy steps to fit this and you really can't go wrong. Remove the belt from the supercharger pulley and sit it out of the way. For instance, if you have a supercharger with a 100mm pulley generating 12 psi but wish to attain 16 psi, the calculation would be: (10016)×12=75 (16100 )×12=75 mm. 10-inch you go down in supercharger unit pulley size, you gain about 1 lb. 1" SC pulley - change tensioner pulley AND idler pulley to 3. 14801 W. 50 because American Muscle don't carry them Supercharger Pulley, Crankshaft, 10 Groove, Serpentine, Steel, 9. Hi again r/MINI ! It's time to give my new r53 some juice so the most logical choice is to get a smaller supercharger pulley. 5 to 6 lbs of boost. 375" mounting holes on a 2. That ain't enough headroom for safety. Nov 26, 2010 · Post subject: Super Charger Pulley Size. Start by removing the engine cover, The intake pipes and throttle pipe. If you are having problems with overall alternator output or charging at engine idle, maybe a smaller pulley is all you need. 25mm - verified independently. Lenexa, KS 66215. Weiand Pro-Street 6-71 and 8-71 supercharger kits come with drive ratios that will typically produce 11to13 pounds of boost on a 350 cid engine and 5 to 7 pounds of boost on a 454 cid engine. 5". 4 inch I tried before that) were sourced from www. 5" by virtue of the smaller supercharger pulley. 5 S4 Supercharger Pulley Diameters / Sizes from largest to smallest - measured at the tips of the ribs. Ap104,180 tstat, pulley 3. 1" and 3. Engine Displacement (Cubic_Inch) Jul 16, 2005 · There is a difference. This calculation is essential for tuning the performance of supercharged engines, ensuring that they run efficiently and produce the intended power output. 1 oem balancer and 3. 0L Supercharged ECOTEC (LSJ) motor. Instructional videos are available on our how-to page. 25 pulley is 9 psi. 4 upper - 16. 727 @ 129. 333 posts · Joined 2009. 7 x V / C/2 ) - 14. The qwikchange kit is ideal if you want to swap pulleys fast and don't have the time to pull a pulley off and press fit a new one on, simply unscrew 4 screws, replace the pulley and screws, done! Available in 2. 00 pulley is 11 psi. 13 meaning at 6,750 rpm the supercharger is spinning at 14,427 RPM. Full exhaust, Homemade heat shield -removed it. 7 is the pressure of the air we live in, we don't live in a vacuum, we live in 14. its 733 rwhp at 18 psi and i want to add more boost up to 24 psi. On a V8 engine with a correctly sized supercharger, every 0. You'll also want to invest in some kind of scanner so you can monitor your KR. Pulley Diameter. V is the volume of the Eaton blower for one rotation. 6 pulley ratio on the supercharger. Edelbrock Competition Supercharger Pulley #15824 3. 75 pulley is 13 psi. For example, a overdrive 7. 17 Hellraiser pulley can add around 25 wheel horsepower without a tune or the cost of an unlocked PCM. The middle section of the ROUSH supercharger pulley part number explains what size and type of pulley that has been installed. Pulley Ratio Math: 8. #1 · Mar 10, 2010. Add to Cart. 95" blower pulley. The 15% pulley has been proven over and over that it Oct 26, 2019 · The change in belt length is . $56. See guide below for measurements. The same can be achieved with a larger crank pulley. $54. The next pulley would be 3. 114th Terrace, Lenexa KS 66215 PH: (913) 338-2886 FX: (913) 338-2879 04/21 Oct 1, 2009 · The smaller lower pulley (6 inches versus 6. The most common pulleys on GM, Ford and Daimlier/Chrysler vehicles are the 6-groove 2-7/16, 2-3/8 and 2-1/4 inch pulleys, by reducing the pulley size to 2" or 1-7/8" your Blower Pulley Ratio and Boost Charts Apr 3, 2008 · Chris - 2000 Xterra XE - Silver Ice Suspension - 5" Lift / Rancho Shocks & Steering Stabilizer / TC IAB / Cragars / 285/75/R16 / Performance - FIPK / TB Spacer / Trans Cooler / E-Fan Conv. This gives a ratio of 2. There will be a part number on the backside of the supercharger pulley. 2008 Pontiac G8 GT: 10. 11. May 30, 2024 · A supercharger pulley size calculator is a tool used by automotive enthusiasts and professionals to determine the optimal pulley size needed to achieve the desired level of boost for an engine. 5mm. KAVS R53 MINI Cooper S Reduced Supercharger Pulley Upgrade Kit. 85 pulley from the factory. The 9lbs of boost is achieved using a 7. ubend. Filter By Filter By Close Filters. 15% Reduction. Edelbrock Competition Supercharger Pulley #15871 2. 8mm HTD blower pulley billet aluminum 3. 9 to 3. Back to Supercharger Drive Type Pulleys for LPE Hub. 0 to latest 5. Check the size of the pulley on your alternator. 5psi. 75 upper - 18. 00. It has a 2. 175" (4) 2. 5, Michelin Pilot SS, Lethal O/R X, GT500 axleback, Barton Shifter with 2-post bracket, Clutch Line Upgrade, Boss Trans Cooler, Dynotech Aluminum Driveshaft, BMR Driveshaft Loop, Whiteline Trans Bushing, BMR LCA's Description. Sep 23, 2014 · Sent from my iPhone using Mustang Evolution. 2 L super charged XKRs use a Jaguar specific Eaton M112 supercharger. Beyond 10psi you should go to a 6" crank 6-rib, or convert to 8-rib. 4" different. They only way to tell is if you can find someone with the EXACT same setup and see what they make with those pulleys. Call us and select Option 3 to find out what is available for your model. These Magnuson supercharger pulleys also include all necessary hardware. You need to consider the supercharger pulley diameter change, multiply that number by pi (~3. 4-3. In other words there is no negative effects of having the t-trim. 59 60'. Difference between a 2. A relatively inexpensive way to unleash a bit more power from that Super-Charger. com, only carries 2. Quantity. 750 in. All our supercharger pulleys are fixed so you won’t be able to use a magnetic clutch function on your supercharger, while the Apr 7, 2006 · 3800cavalier. 4 and you go to a 2. pt76gtq turbo. Additional Information. (-1) Corvette C7 LT1 crank pulleys are in this category. 8 difference which will bring up your boost about 6. 25mm to 57. This reduction size is the market standard and produces smooth, safe power increases of around 20WHP. 00" register bore, six . 35 pulley. The main advantage to this, and what attracts me the most, is that the belt wrap on the SC pulley will not be as Jul 21, 2004 · Still waiting on the CTS results if anyone gets it. If you were to change the crank pulley size then you need to swap the calculation since we need a bigger pulley at the crank Feb 3, 2012 · The Vortech V-1 will come in standard duty gears and some come with Heavy Duty gears for those who want to run a cog pulley setup. I personally run a dual pulley setup with their larger 187mm size. Apr 16, 2023 · As for differences, redeye has a 2. The valve is inside the supercharger and the actuator is on the outside of the case on the passenger side by the pulley. Answer. 460/396 on 93. Remove the entire supercharger mounting bracket 5. 5" and puts out about 8 psi 2. Based off my 2. 1 pulley so I should be close to 9 lbs that's my goal. 3. at the same boost level and pulley size (vs P-1SC-1) Even larger gains possible at the same boost level with built and modified motors; P-1X™ is 875+ HP capable and is a direct bolt-in upgrade for the P-1SC-1; D-1X™ is 1000+ HP capable and is a direct bolt-in upgrade for the D-1SC May 1, 2023 · These can vary by application, but for every . 10-inch you go up in supercharger unit pulley size, you lose about 1 lb. The smaller 2. psi/boost. 2 and so on, and these would usually require a BAP, a new belt and a new Producing Quality Computer Tools for Racers and Engine Builders since 1986. Keep track of the keyway key 8. These purpose built pulleys are made for superchargers and engines. you can run smaller pullys in states with a higher octane. Engine Displacement Units. . The supercharger is the latest generation Eaton M62 helical roots style positive displacement supercharger and offers a maximum of 12 psi of manifold pressure for a 40% increase in power. Now a more complicated one… with a 17% reduction on the Supercharger, +5% on the Alternator, and + 2% on the Crank, we would have: -11,14mm + 5 mm + 2,7mm = -3,44mm; which results in 1350 + 3,44mm = 1354mm. 60 good, or should I find a different place to find a 2. Aug 17, 2014 · Changing the pulley size can up the amount of air pressure your supercharger forces into your engine. 6-Rib, Black Anodized. That gives the LSA Supercharged Engine a 2. PB 10. Choosing the right pulley size requires a bit of math – if you’re not into that, here’s some handy calculators. 85 pulley. We also have to take in account that there are no belts per mm, so we must get the closest match. 15854. = pulley ratio) Now we can calculate boost with the new pulley ratio. Is that a safe PSI to run at? Relatively speaking, yes. 4 Whipple 8-Rib Supercharger Pulley SCP-8. $175. 6# pulleys are generally "safe" but they are more aggressive. 5 inch crank drive pulley. HOME; PRODUCTS ** REQUIRES SMALLER DIAMETER IDLER PULLEYS. do you know what pulley size required and did i have to change something from Under pulleys. 792 posts · Joined 2004. Fits all 4-71 thru 18-71 roots and screw superchargers. Oct 12, 2009 · I would say a shortstack- copper 104 - 180 stat. 09 is almost an inch difference. 2 pulley. This complete one-piece billet design replaces the crank pulley and engine damper for total reliability. From maximum speed to maximum boost we have it all laid out for you at Vortech Superchargers. 76in aftermarket pulley. 25" crank) before belts want to touch inside to inside. Jun 1, 2009 · Equipped with the M122 supercharger, torque production exceeded 500 lb-ft from 3,000 to 4,700 rpm, with a peak of 514 lb-ft. The stock Jaguar M112 pulley is 3 inches in diameter, therefore 5. Vortech engineers each supercharger system to produce maximum performance at safe boost levels on stock Sep 8, 2005 · Exactly. thorttle body spacer. Flick the cap off the end of the supercharger pulley. 6, which is the next size up from stock, you will usually see 7. Vortech’s V-2. Conversely, for every . The pulley is CNC machined from billet Sep 15, 2009 · 01parkave. The former risks belt slip and hence the limit appears to be 57mm. We've already done all this for you and there's a complete chart on the Supercharger Belts page of our website. 95. Mar 29, 2016 · I have a 5. Remove the discharge tube to the supercharger 4. Part Number: ATI-916159 Not Yet Reviewed at the same boost level and pulley size (vs P-1SC-1) Even larger gains possible at the same boost level with built and modified motors; P-1X™ is 875+ HP capable and is a direct bolt-in upgrade for the P-1SC-1; D-1X™ is 1000+ HP capable and is a direct bolt-in upgrade for the D-1SC Nov 17, 2009 · At 10psi and 7000rpm t-trim will be in the 72% efficiency, where s-trim gets 70%. 1996 cavalier l67 and 4t65e-hd swap. 6 thats . 75 inches) brought total boost up from 6 psi at 5,500 rpm to 10 psi at 5,800 rpm. su ho fc we zi kv ad cp av ey