Psi blower pulley RCD's chart shows that we can get a 1600-8mm belt on with a 32 top pulley. Just divide the bottom pulley number by the top pulley number. PSI TAKES A SYSTEMS APPROACH TO RACING, ALL OF OUR PRODUCTS ARE DESIGNED TO "SOLVE A problem, THEY ARE SIMPLE AND DIRECT". I am currently running a Roush TVS Phase 1 kit on my 08 Bullitt. M-T: 7am - 4pm The 1UZ-FE has a 5. 35 Pullet blower speed is 20,898 RPM. Phone: (916) 425-1427 $ 0. follow us on social media and stay up to date with psi! SUPERCHARGERS *** IN STOCK SHIPS TODAY *** 8mm GT PSI blower pulley 3. e. 7% under drive means the blower pulley is turning 3. 7) X (engine liters/2)/supercharger in liters)=Pulley Ratio at sea level. This pulley clamp is designed to use the crank bolt to help keep the bottom blower pulley tight and the pulley from moving around. 139 O’ RING MATERIAL $ 1. 1. This comes into play with high overdrive roots and screw blowers. It is for the person that needs to make serious horsepower and expects the best quality and durability. This supercharger is similar to OEM superchargers supplied to Mercury High Performance by for the 600SC/800sc engines! It will Pulleys Supercharger, Blower Parts and Drag Racing Accessories by RBS. The car does not perform the way I expected it to; low 14's at 95 MPH. 75 between pulley CL. 33" All are with a 6700 crankshaft RPM Stock LSA upper pulley speed is 17,715 RPM. same blower, same pulley, but different cars. LS9 stock size balancer is what I want to run and it is 7. 7) * (Supercharger Speed / Engine Speed) 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. 2 psi vs. Pulley Ratio Calculator: ((14. Description: Cog Drive 75mm Supercharger Pulley for Procharger Superchargers. 11mm 1705 looks workable also. SPE has wasted no time developing a seamless, adjustable, and lightweight solution. 2. May 21, 2023 · Maximize the potential of your 1. Products. Fits RCD/PSI screw blower snouts and allows the use of 75 or 84mm wide blower belts. BACK. 125" / 28 tooth = 52714 rpm / 9. When shopping for a supercharger, you’ll notice boost levels are noted in ranges—as in 6 to 8 psi. 5 inch crank drive pulley. 00 0 Cart *** IN STOCK SHIPS TODAY *** RBS stocks blower snout seals for a wide variety of blower snouts and here is one more shining example. 250" / 28 tooth = 50686 rpm / 8. Racer can choose pulley size from drop down menu. 20 Add to cart; 1-ALUM You can see the effective blower ratio in the first column, the % of increase over stock in the second column, the RPM of the blower vs. Say you have a 64 bottum and a 50 top. 4L Hellcat supercharger, the following boost calculator/estimator might be useful. No clue how it relates to the Novi. 1/2" Thick Where it Mounts to Your Hub. Smaller pulleys help run a blower faster for more boost, while larger pulleys help the blower run slower for less boost. May 22, 2023 · If you're intrigued by the impact of altering your upper and lower pulleys on your 2. With an 4″ (103mm) Pulley on the supercharger the size of the crank pulley for this ratio would be. 875" WIDE PSI BLOWER PULLEYS. Jul 3, 2004 · -3. 11mm GT billet alum. Whipple called the gains ahead of time, and while some were skeptical, there it is in black and white (and red and blue). Click here to see how our superchargers compare to each other. Thanks, sean #4. 7 deck with 23. * The stock boost for any Magnacharger TVS 1900 Supercharger Kit installed upon any 08 - 09 Pontiac G8 GT 6. 250" / 32 tooth = 44350 rpm / 6. Telephone: (775) 461-0954. 7 - I 40 Tooth 8mm Pulley Part# 210059 Specifically engineered with our screw blowers in mind and designed to be used with our 1600 Mini Snout follow us on social Sep 29, 2011 · so there is no definate answer it depends on your car. 10" pulley: expect 1. Pulley The SPE pulley system allows the customer to quickly change sizes wi Obviously depends somewhat on air temp and changes in blower VE with both speed and PR to some extent, which may make that look right for small changes but consider this case: working just on boost pressure if you nominated 0. 875" wide hard anodized. 95 follow us on social media and stay up to date with psi! 480. 74 psi (Stock Vortech setup) 3. May 1, 2023 · These can vary by application, but for every . This is a Buna rubber seal that fits the PSI mini screw blower snouts. $285. 00 $0. 50" longer as well as blower May 21, 2023 · Discover the impact of modifying your LSA supercharger's upper and lower pulleys on boost levels with our convenient calculator. 75_ WIDE PSI BLOWER PULLEYS. With the stock 105mm blower pulley, and an oem diameter ATI super damper, my car make 5-6 psi on the street and 440 rwhp/393 rwtq. 7 - I PR is pulley ratio, crank pulley diameter divided by drive pulley diameter. PSI Supercharger, Blower Parts and Drag Racing Accessories by RBS. Check out the deal on RCD-150880-33 8MM GT PSI BLOWER PULLEY 33 TOOTH 3. The stock Jaguar M112 pulley is 3 inches in diameter, therefore 5. Barometric Pressure (PSI) Blower Boost : Aug 20, 2023 · 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=75mm. 250" register bore, six . Burcham prescribed the MSD Digital Programmable 6AL-2 1- PSI SUPERCHARGER, COM Read more; 1-TOP PULLEY BOLT, 1 X 3/8-24 ALLEN $ 0. 560Jim Member. 30 Add to cart; 1-PSI 0. Optimize your supercharger setup with our pulley ratio calculator - instantly estimate boost levels, RPM limits, and performance gains for your build! MIND BLOWING PERFORMANCE AND WINNING CHAMPIONSHIPS AROUND THE WORLD SINCE 1988. They are the larger diameter blower and the small diameter blower. 33" balancer 2. 250" bolts and six . This snout is made from billet alum. Blower Oil Level Sight Glass: This accessory helps users monitor the oil level in their PSI blower, ensuring proper lubrication. Oct 16, 2015 · Divide the rotor Rpm by maximum desired engine rpm to get the drive ratio of the pulleys. Fits PSI screw supercharger snouts. This snout is designed to be used with the 8mm or 11mm RCD mini snout drive pulleys Oct 1, 2009 · Upping the boost from 6 to 10 psi requires an ignition timing retard system, bypass valve, eight-rib pulley drive system, and more fuel. 95" upper pulley = 9psi of boost. The charts below show how to determine the correct Gilmer pulley size for the desired boost pressure. 5 psi) but picked up 127 horsepower on the same pulley sizes and tune as the Gen-3 blower. 312" ring dowel pin pattern. The way to know if you have a PSI blower snout they are the only ones in the industry that use six 1/4" inch bolts and six 1/4" dowel pins to hold the blower pulley on. 83 14. 250" bolt six . Conversely, for every . 250" dowel pin pattern. 10-inch you go up in supercharger unit pulley size, you lose about 1 lb. #1705-0000 fits PSI mini blower snouts that use the six . This snout is designed to be used with the 8mm PSI customers were enjoying their new freedom from engine and blower damage. 9248 / 7000 rpm = 1. PSI BOLT PATTERN W PINS. 7. We know that you can't race and Win if everything isn't right. In racing it's the "weak link that breaks the chain". I am wondering it the blower is not working as it should. 250" dowel pin receiver holes. that is anodized and uses hi speed precision bearings with a billet heat treated shaft to mount the blower pulley to with six . Supercharger Pulleys; Supercharger Drive Components V-5 F Supercharger: HD/Std: 52000 RPM: 14 Send Email to Dyer's Blowers: Blower Pulley Ratio and Boost Charts Oct 20, 2023 · Formula of Supercharger Pulley Boost Calculator. 875" WIDE at Alkydigger Fuel Injection-Superchargers-Ignitions My Cart: 0 item(s) Your Shopping Cart Is Empty Jun 8, 2005 · It is real easy to do on a caculator if the chart does not go where you are or if you loose the chart. Supercharger pulley ratio and boost calculator. It is acceptable to run a larger blower on a small engine, so long as the proper underdrive pulley is used. 00 Add to cart; 1-BLOWER STUD, WHIPPLE $ 3. 95 8mm HTD Blower Pulley. Gilmer pulleys are interchange-able. Boost (psi) = (PR x 14. 90 Add to cart; 1-ALUM. Bottom Pulley Clamp. 00 PSI Deep Throat Butterfly. 85" Wide. Find the ideal boost level for your desired power output using this handy tool. Pulley features are hard anodized finish, . 1 150880-33 3. SUPERCHARGERS > DRIVE SYSTEMS ABOUT PSI Idler Pulley ( Under Size) $0. 32 Pulley Size Ratio. 7 x V / C/2 ) - 14. Keep in mind, results are approximate and tuning is necessary for optimal performance. 75 - $378. V is the volume of the Eaton blower for one Dyers Blowers is one of the leading manufacturers of street strip superchargers. SPE 2020 GT500 Pulley System with Titanium Hub &amp; Install Tools SPE knows that the average person wants more than 11-12 PSI of boost from their 2020+ GT500. 64/50 equals 1. 250" mounting holes with six heat treated ground dowel pins. Feb 12, 2010 · Amazing info DiMora, thank you. BLOWER NUT $ 3. Each 8MM GT pulley is stamped with its tooth count for easy identification. They are CNC-machined for maximum surface contact and are available in several styles to suit your application needs. At Kenne Bell, we prefer to also use “ratios” (crank pulley ÷ supercharger pulley = ratio) to describe a potential boost increase. Example. 28 times faster than the crank so your overdrive is 28%. 50 - $155. 69 psi (Overspinning blower / Dyno setup) Mar 10, 2004 · A question on Rootes blower pulley sizes on both the blower and the crank. Let's consider a real-world scenario. Blower Pulley Belt Chart; 192 / 250 Belt and Pulley Chart; 192/250 8mm Blower Boost Chart; Effective Compression Ratio Chart & CFM Formula; The Blower Shop™ Aug 3, 2011 · I have a ‘95 GT with a Vortech V3 Si and it has a 6” crank pulley and a 3. 7 is the pressure of the air we live in, we don't live in a vacuum, we live in 14. 32x 4 = 5. 90 Add to cart; 1-PSI 0. 312" bolt six . May 25, 2023 · The Benefits of Modifying Supercharger Pulley Sizes. 3. 35 Tooth 8mm GT Blower pulley PSI. $309. example me and another member on a different have the same blower and pulley v1 s trim 3. 25 pulley blower speed is 21,827 RPM. The large bore blower (case thickness 1/2"-) is approximately 11 percent larger in volume than the small bore. Optimize performance and unlock the true capabilities of your LT4 engine. 12” blower pulley and a 6” crank pulley would make at the same Oct 9, 2011 · The most I can get out of the blower is about 5 PSI even with the smallest pulley available on the blower. 8mm 33 tooth Top Pulley for a PSI supercharger is made using 7075-T6 Aircraft Quality Aluminum. RBS also stocks a full Oct 29, 2019 · The smaller 2. Will Fit: F Series blowers Note: 75mm Cog Drive Pulley sizes available (14mm Pitch, 75mm Wide) 54 Teeth, 56 Teeth, 58 Will Fit: F Series blowers Note: 75mm Cog Drive Pulley sizes available (14mm Pitch, 75mm Wide) 54 Teeth, 56 Teeth, 58 There are two different 671 blowers commonly used. 00 0 Cart 0. 7 percent slower than the crankshaft pulley. more boost over stock pulley -Total boost 7. Pulley is 3. 1 bar boost) from say 1 bar, you would have an enormous pulley (if starting with something in the usual 60-100mm range), your Plus (+) psi boost numbers (+2 psi, +5 psi etc) is a non scientific, inaccurate and confusing method of rating pulleys. Achieve your desired power by finding the perfect boost size. Subscribe To Our Newsletter. - 3. Jan 31, 2010 · Here's what various pulley combos did for my V3 setup. 65L GT500 Mustang supercharger. The small bore blower (case thickness 3/4"+) is recommended for 370 CID engines or less for street applications. Email [email protected] SUPERCHARGERS > DRIVE SYSTEMS ABOUT PSI New parts listed daily, so keep checking back. To determine the proper 8MM Pulley combination please see our DRIVE RATIO CHART. Housing is O-ringed for a superior seal to the blower case. 00" register bore, six . 210 O’ RING MATERIAL $ 4. 0L V8 with a 3. RCD 8mm GT PSI blower pulley. The psi gave me a TON of room behind the blower so I was thinking of moving the mag out of harms way. I can run a 51 tooth on the crank with a 34 tooth on the blower or I can run a 48/32, 45/30, 42/28, 39/26 or 36/24. Palmdale Raceway Divisional 1989, a TAD car shook hard, the driveline failed, the supercharger was overdriven to 100%, the A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. 60 pulley and his psi was 8psi322rwhp but mine was 5-6psi 339rwhp and my car is an auto. Boost is directly related to the size of the driven pulley on the supercharger. g. PDF : Download: Specifications. Dec 10, 2024 · Blower Pulleys: PSI offers different types of pulleys, such as the 8mm GT/HTD Screw Blower Pulley, to ensure proper belt drive and performance. 20 Add to cart; 3-TOP PULLEY BOLTS, 1 X 3/8-24 ALLEN $ 0. Feb 15, 2013 · At some point, the blower would become inefficient and could actually heat up the air, causing loss of boost. 6-7 PSI 8-9 PSI BOOST 4-5 PSI ENGINE SIZE The flagship of the B&M supercharger line is the MegaBlower 420. Aug 3, 2006 · Boost (psi) = (PR x 14. You're aiming for a 16 psi boost. Just for example there are several different pulley combinations to make 50% OD on a 14 mm belt. 750" offset for belt alignment, 1. I am in the process of changing the cam to one with less overlap and more duration and lift on the exhaust side. Bottom line: larger blowers are for larger engines. 312" mounting bolt holes with provisions for three ring dowel pins. It’s the “six to eight psi kit,” and I think I’m making the six @ 5,600 rpm or so. Use our guide to fine-tune your ride's power level. #1705-0000R fits PSI/RCD mini blower snouts that use the six . 5/3= 1. 875" wide with a 1. 01bar boost as a new target (or even 0. Racer will need a crank bolt 2. 4L Hellcat supercharger is a standard com Heavy-Duty Crank Hub Accessory Pulley. The patented Gates GT tooth profile is a curvilinear shape providing high shear strength and improved load carrying capacity. 7 psi. 75-inch pulley made slightly more boost (20. $86. Because of the concern for supercharger “overspinning” Norm developed the PSI rev limiter, designed specifically for magneto type ignitions. Idler Pulley ( Under Size) 85 mm Wide 8mm Idler (Aluminum) Top Fuel. 20" Magnacharger Pulley installed on it is only 6 psi at wide open throttle. 50" bore to work with 75 and 84mm wide blower belts. Boost Ranges & Variables. Jackshaft / Cog / Impellor / Avg Boost 3. 71 makes X psi of boost on top of 509. 10-inch you go down in supercharger unit pulley size, you gain about 1 lb. This tool offers a rough guideline for how to optimize your boost according to your desired power level. The pulley clamp cone is made from billet alum. 16-rib pulleys are Jun 6, 2023 · BOOST your Mustang's performance with our handy boost calculator! Understand how altering your upper and lower pulleys impacts boost levels on your 2. the engine RPM in the third column, upper pulley size in the 4th, crank pulley size in the 5th, idler options in the 6th and 7th column, and estimated boost pressure with proper supporting mods in the 8th column. mini snout blower pulley. 7+ Boost in psi)/14. psi/boost. yep i know this there has to be a chart showing the boost levels according to pulley ratios like 8. Blower - Drive Pulley Diameter (in): 2-5/8 Inch. For an SC14 on a 2800cc @ 5psi boost the desired supercharger pulley ratio is. 8" balancer 2. Search PSI Blower Pulley Clamp. 820. The 2. The engine is 10. The boost pressure (measured in PSI, pounds per square inch) can be calculated using the following formula: Boost Pressure (PSI) = (Supercharger Pulley Size / Crankshaft Pulley Size) * (Engine Displacement / 14. 3L LS9 supercharger? Use the following boost calculator/estimator as a rough guide to see how to right-size your boost for your desired power level. 33” blower pulley. that is anodized and uses hi-speed precision bearings with a billet heat treated shaft to mount the blower pulley to with six 5/16" bolts. i had this cart but i lost. sean70ss, Jun 26, 2009. Running larger or smaller drive pulleys can help boost adjustments to your blower. 7L LT4 supercharger with our precise boost calculator. 28 so the blower is turning 1. 6511. 28” <p>*** IN STOCK SHIPS TODAY *** PSI/RCD twelve bolt mini blower snout assm. 0 psi Maximum Boost (psi): 8 psi. You own a car with a supercharged engine running at a boost of 12 psi using a 100mm pulley. 77 psi (Best ET setup) 3. Subscribe. Show More Show Less Blower - Drive Pulley Diameter Upper and lower Gilmer pulleys must be chosen separately for 420 MEGABLOWER installations. 00 follow us on social media and stay up to date with psi! Hours. Dec 15, 2004 · Home Forums > Racing Talk > PSI Superchargers Tech Questions > pulleys Screw blower outlaw promodified. 0 psi. Upper and lower 16-rib pulleys must be chosen separately for 420 MEGABLOWER installations. Boost with confidence and take your ride to new heights! These supercharger drive pulleys are designed for the ScienceofSpeed Paxton 1200/1220 based Supercharger System and Comptech Supercharger Systems retrofitted with this kit (this pulley is compatible with CT-Engineering Novi 1200/1220 based supercharger kits with removal of a washer behind original pulley). 32 Tooth 8mm Pulley Part# 206097 Specifically engineered with our screw blowers in mind and designed to be used with our 1600 Mini Snout follow us on social Sep 6, 2018 · LSA stock pulley sizes 7. 8mm GT/HTD PSI Screw Blower Pulley. Typically, you will have a starting baseline reference from the stock supercharger pulley that came with The 8mm tooth profile is the smallest tooth available for RCD blower pulleys, allowing for a large selection of belt and pulley combinations. and has a pressed in steel washer to tighten the grade eight 3/4-16" crank bolt against. 6" pulley blower speed is 18,888 RPM. There are several advantages to modifying your supercharger pulley size with Griptec pulleys, including: Increased Power Output: By increasing the boost level through the use of a smaller pulley, you can significantly enhance the horsepower and torque of your LSA, LS9, LT4, or LT5 engine May 21, 2023 · Curious about what changing your upper and lower pulleys will do to your boost levels on your 2. 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. . They pulleys incorporate extra material for added strength and have a small radius in the back to accomodate our stronger snout for the PSI blower. Would anyone have a ballpark guess of how many psi a 3. Pulley ratio formula for a crank driven supercharger: (crank pulley size /supercharger pulley size)= pulley ratio <p> *** IN STOCK SHIPS TODAY *** PSI twelve bolt mini blower snout assm. 19. maria wmrd bidvnp ygqjtqe ulhtih gvzv fvdrlqz jgobh niwtzc dqt