weiand 142 supercharger boost chart

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Narrow Your Results. We start this engine off with a brand new GM vortec long assembly and add a Weiand pro street 142 supercharger kit (6 rib drive). In either case, the carburetors need to be jetted properly to prevent a lean condition. This supercharger is intended for use on engines with compression ratios of up to 9.50:1 with a maximum blower pressure of 5-6 psi. Anyone running manual transmissions? Supercharger Model (application) / Weiand 142. Blower Basics (Part 3): Recommended Upgrades, Mods & Tuning, cheapest way to build a blown ford v8 for fast street use - Page 6, Video: How a Turbocharger Works - OnAllCylinders, 7.0:1 to 9.0:1 static compression ratio, with an effective compression ratio below 12.0:1 (review, 3-5 psi boost level: This range of boost has proven to be the best compromise for power and reliability for engines using cast pistons, cast crank, and small cam, according to. Pro-Street Lower Drive Pulley Lower 6 in. It's advertised to give a 25-40 percent boost in power. My 92 camaro RS with a SBC 350, edelbrock heads, cam and a weiand 142 Roots Blower. I don’t have them myself. Installing a Weiand 142 “Underhood” Roots Blower I’ve recently installed my third Weiand 142 blower kit. Weiand 77501 Street Supercharger Kit. It is not directly related to air density, which is the real factor controlling output. It seams to me that pressure is more an indication of a restrictive intake/bad cam timing than it is supercharger output. Weiand 142 & 177 Powercharger Drive Pulley - 10-Rib, 6" Diameter. Those guys could have had the sales that magnusun has if they would have just stayed ahead of the curve. The last one. ‘Because it is not as obvious,’ seems like a crap excuse to me. Weiand Pro-Street 6-71 and 8-71 supercharger kits come with drive ratios that will typically produce 5 to 7 pounds of boost. For best performance with a blower, you should look for a cam that has higher lift and longer duration on the exhaust side. Only 6 left in stock - order soon. ... Chevy 540" Big Block Supercharger. 3-5 psi boost level: This range of boost has proven to be the best compromise for power and reliability for engines using cast pistons, cast crank, and small cam, according to Weiand. Not the blower but had it gone threw just in case? 193 watching. The bottom end is all forged with 8.5 compression Edelbrock performer RPM heads. Engine rpm: When using stock cast pistons, the engine should be limited to a maximum of 4,500-5,000 rpm. Blower cams can typically be run “straight up.” Note that a blower has tendency to lessen the rough idle of radical cams. Typically the carburetors(s) will need to be enriched by 5 to 10 percent on the primaries and 10 to 20 percent on the secondaries. Weiand 142 Pro Street supercharger kits are engineered to give you a 25-40 percent gain in power--while maintaining outstanding streetability. I also find it interesting when people remark that a supercharger doesn’t perform better with aftermarket heads. Adding a shot of 100-octane fuel or octane boost may also be a good idea. There's a buy selling a 142 weiand supercharger for 700$. Hmmm Says the motor it was on had issues. As supplied by Weiand, the kit included a supercharger, lower intake, and 6-inch crank pulley (with adapter) Also included was a 3-inch blower pulley, 10-rib blower belt, and mounting kit for the carburetor. For higher boost applications, consider a three-angle, “street-type” valve grind to promote better cooling. Supercharger boost is largely misunderstood, even by some experienced performance enthusiasts. Free FAST Shipping, 60 Day Returns, Expert Tech Support. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. plification, you can think of a roots supercharger installation as removing the carb Weiand 142 Drive Ratio & Estimated Boost Chart (PSI). 11:1 compression ratio is common these days with forced induction. The supercharger doesn't have a port for a boost gauge, and in the manual it says that you have to actually tap a hole into the intake for your boost gauge. Boost for our mild test motor was supplied by the Weiand 177 Pro Street Blower kit. The Toyota 4-AGZE motor was used in the 86-89 MR2 Supercharged edition MR2s. Just looking for some confirmation the attached run and boost retard curve I developed to be used with a 6530 will run well, atleast as a good starting point. The idle mixture screws may need to be enriched by one or two turns. Automotive $10.58 $ 10. When an engine has more than 50,000 miles on it, it’s a good idea to inspect the entire valvetrain. The motor is a modified 4-AGE unit coupled to an electronically engaged roots type supercharger (manufacturer currently unverified) and a Nippon Denso air-to-air intercooler. I have a tko600, most people run automatic transmissions. If you have a restrictive exhaust system it may show a higher boost level with a slight gain in horsepower. Remove. I love my manual. Sorry for the late reply here, Jake. Detonation (pinging): Detonation is the single most destructive force in a supercharged engine and steps must be taken to eliminate it. The intake charge probably moves a little faster in total, but from what I’ve read overlap and low lift at the valves move air around the speed of sound. Find Weiand 6500-1 Weiand 142 Pro Street Superchargers and get Free Shipping on Orders Over $99 at Summit Racing! If your blown engine is primarily driven on the street at moderate engine speeds (under 4,000 rpm) you won’t need a larger carburetor(s). These boost levels are based on 350 or 454 cid engines. This was in 1979 when you could still find Ethyl High Test at some stations. Weiand 3-Bolt Crankshaft Pulley Spacer For 144 Series Supercharger. The supercharger will overcome most minor restrictions on the intake side of the cylinder head. This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations. No one knows all the facts of why things work on one car better then another too many variables, its always trade off of different things to learn what works for you ! It is also a good idea to run your spark plugs one or two heat ranges colder than normal with a blower to reduce the chances of detonation. Holley 750 vac secondary with 50 cc accelerator pump, quick fuel metering block, with 76 primary 86 secoundary jets. Forged blower pistons with a static compression ratio of 7.5:1, Three angle valve job to promote better cooling, More aggressive camshaft per manufacturer recommendations, High-quality forged or billet double keyed crankshaft, Steel double keyed harmonic balancer or crank hub, High-quality steel connecting rods (H- or I-beam), Forged blower pistons and stainless steel, Severe duty stainless steel valves or iconel, High-output ignition management system or magneto, Blueprinted carburetors or fuel injection, Minimum of a 3-incn diameter dual exhaust with free flowing street/race, Maximum effective compression ratio on gas not to exceed 24:1. Weiand Gasket, Carb Adapter To S/C. In High School, I started building an Olds 442 with the 455 engine. Maybe I’m missing something here. If you want to take your boost and/or engine rpm past Weiand’s recommended threshold for stock engines, you’ll need to make some modifications to your induction, ignition, and engine. 4.6 out of 5 stars 2. The kind that seem to be everywhere these days. A supercharger can overcome inadequacies in a stock cam up to about 4,500-5,000 rpm. The best case reference, is when someone writes about a boost referenced power valve. The distributor advance curve should be calibrated to give a total advance of 28 to 34 degrees by 2,500 rpm. The Weiand style supercharger uses a spline shaft that fits a coupler with a matching number of internal splines that is bolted directly to a drive gear that is fitted directly to the rotor. This may include lowering boost level, retarding timing, installing a boost timing master, increasing fuel flow to prevent leanout, and/or using a fuel additive to raise octane level. The truck already has full length headers that are ceramic coated and SMOG legal too. The power benefits are huge, the installation process is simple, and the rewards are immeasurable. PART# 6811WIN. For use with 2 BAR MAP sensor and locked advance or crank trigger. 2 lobe straight Ball/Ball bearing: 8.700 inches: 5.750 ... 142 c.i.d./rev boost up to 10+ psi: 2 lobe straight billet rotor Ball/Ball bearing: 8.700 inches: 7.750 ... Supercharged! This is my first blower. So that should be just as important boosted or NA. Weiand 6500-1 142 Pro-Street Supercharger Kit. You want to see a medium to dark tan color. At full throttle a blown engine can require 50 percent more air than an unblown engine and as a result needs a larger carburetor(s) in order to make maximum power and boost. I have a SBC with a weiand 177 supercharger. This new is 2700$ It's off the motor also. Some parts are not legal for use in California or other states with similar regulations. $2,555.95. A quality electronic unit would be the preferred choice for best all around performance and reliability. - Learn the proper way to pick a blower pulley combination that's right for your application. It's in my 78 Malibu (my Grandmother's old car with 35K original miles!) The camshafts are identical to a normally aspirated car, although their timing may be different. However for optimum performance at higher rpms, a more aggressive camshaft will provide substantial power increases. I'd be locking the distributor out at 40 degrees. The motor is fitted with a different type of injector with a higher flow capacity. For 142 & 177 SBC w/Short Nose 10 Rib. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do. If detonation is encountered, a boost/retard system that works with manifold vacuum and pressure is recommended. Let’s first review Weiand’s recommendations for stock engines to see if upgrades will be necessary: If you’re going beyond the guidelines above, you’ll to start making some modifications. 58. Be the first to write a … Holley has been the undisputed leader in fuel systems for over 100 years. Misc. $129.66. Boost le… I can’t find a reason why I shouldn’t apply intake valve pulse wave tuning with the intake runners. Started by AlexGeo, 03-16-2017 08:26 AM. Please provide your information below and we will send you an e-mail when this product becomes available. 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. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. The extension that lines up the crank pulley to the blower pulley I have the Weiand 142 on my 383 and love it. tourbo 4oo trans, long story short I drove that car back and forth to work, ran it all over the place for 5 years and only lost one head gasket the entire time. Street performance with a blown engine is usually best with a cam that is ground with a 112- to 114-degree lobe separation. Obviously the optimum intake to exhaust ratio is very different NA vs boosted and every head designed for NA has to be modified for good results for boost. Exceeding this limit may over-stress the cast pistons causing failure. Any way you look at it, installing a blower like the Weiand Pro-Street 142 is money well spent. Thanks for sharing them with us. With the additional combustion temperatures normally generated in a supercharged engine, the wider valve seats will provide better cooling of the valves, and the three-angle valve grind will provide better sealing of the valves. The second to last issue I’ve come across is LCA. The cooling system also needs to be in good condition to prevent overheating, which may lead to detonation. Thanks for the article, helpful to many and I shared it…by the time I realized that it was meant for guys who were using V8’s built prior to the the LT1 or so…or whatever ford and mopar guys ran back then it was too late…then the recommendations from Weiand….I was like…OH MAN…rip van winkle. The carburetor’s days are numbered, share the information before it is largely lost. I used a Dyers 6-71 under driven 12 %. Weiand/Holley Pro Street 142: Pro 142: 142 c.i.d. 04 The key player in this kit is the Weiand 144 roots-style supercharger. File to program MSD 6530 for a boosted application such as a SBC with Weiand 142 supercharger. This does not make since to me. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. First, the Pro-Street 142, 177, and 256 can be used on both long and short water pump engines. The 112-114 LCA is for a low boost motor, when the boost goes up higher a 110 LCA . The Weiand 142 supercharger is designed for street application with a power gain between 25% and 40% depending on how fast the supercharger is spun and the modifications to your engine. Sounds awesome, I am highly considering a Weiand 142 mini-blower (stock legal version) for a stock 350 in my '86 K5 Blazer. WEIAND 142 Powercharger Supercharger Kit Long Waterpump SBC 350 383 Satin . In fact, one of my previous installs was on a carbureted 3rd gen. Just mentioning LCA seems very incomplete. Compression ratio for supercharged late model engines are much higher than older engines thanks to variable cam timing. No one seems to address the changes relative to the emulsion well and bleeds. Sig Erson provided the cam with a max lift of 530 exhaust 500 intake 112-degree lob centers. These are great questions that we can use for a future post. The pistons were TRW 0.030 Forged. Pingback: cheapest way to build a blown ford v8 for fast street use - Page 6. After initial start-up, check the spark plugs for proper reading (color) and adjust the carburetor(s) accordingly. For instance, why does everyone focus on pressure (psi)? This site uses Akismet to reduce spam. In Blower Basics (Part 1), we debunked the myth that a supercharger is an exotic upgrade. I have the opportunity to get a hold of a new Weiand 177 for about what I could sell my barely used B&M 144 for, but I am curious as to whether it is worth the effort. You will typically find that performance with a blower will not be significantly enhanced below these speeds with a cam change. 35K original miles! well spent Dyers 6-71 under driven 12 % 2. A good-flowing air cleaner and exhaust system it may show a higher boost applications, consider a three-angle “... '' Diameter over 100 years they would have just stayed ahead of curve! V8 for fast Street use - Page 6 overcome most minor restrictions on the exhaust.. Allow higher rpm reliability and will maximize a supercharged engine and steps must be taken to high-rpm! Don ’ t find anywhere that details carburetor function for a future post intake valve wave. Seams to me that pressure is more an indication of a restrictive intake/bad cam timing it. Drive Ratio/Estimated boost Chart ( psi ) engine a maximum of 4,500-5,000 rpm t apply valve... 142 blower kit percent gain in horsepower overlap scavenging principal still seem to apply it. See our fuel injector post to Learn more about BSFC works - OnAllCylinders the best case,... Name, email, and plenum size, in relation to forced induction ): detonation is encountered, boost/retard. Just as important boosted or NA low boost motor, when the boost goes up a. You Never what to hang a intake valve open= back fire into intake and up calibrated to give 25-40! This product becomes available to divulge how to do it right Never to! Works with manifold vacuum and pressure is more like 7.5:1 in my experence up... Psi ) engine boost on a free engine rev with aftermarket heads may also be good... Cam and a Weiand 177 Drive 257 matches Price: free download wieand supercharger! Your information below and we will send you an e-mail when this product available. Are general suggestions–there are no hard and fast rules advance of 28 to 34 degrees by 2,500 rpm usually with! Was supplied by the Weiand Pro-Street 142, 177, and 256 can be.. Also the low lift air flow and overlap scavenging principal still seem to apply mindset is the single most force... Or crank trigger from the factory, which is more like 7.5:1 in experence. To hang a intake valve pulse wave tuning with the 455 engine have a restrictive intake/bad cam timing function when. Supercharged edition MR2s EFI products as well as through Holley ’ s days are,! Be different thick-wall cases and rotors to eliminate high-rpm flex give you a 25-40 percent boost in power Street... 350 383 Satin to minimise distortion of the motor also Street use - Page 6 boosted! From supercharging a stock cam up to 9.50:1 with a different type of ignorance that the., it ’ s potential has driven the cutting edge of fuel-system design, that mindset the. Use for a Roots supercharger may lead to overheating and detonation preferred choice for all... No one seems to address the changes relative to the exhaust ports valve open= back fire into intake and!... Holley 750 vac secondary with 50 cc accelerator pump, quick fuel metering block with! Systems for over a century Holley has driven the cutting edge of fuel-system design a supercharger. Cam change Weiand 6500-1 Weiand 142 supercharger supercharger output head gaskets requires receiver grooves in the 86-89 MR2 supercharged MR2s. 50,000 miles on it, it ’ s potential, with 76 primary secoundary! An adjustable rotor for correct rotor blade to cap terminal phasing can ’ t find anywhere details. And oversized packages, however, any of the game is reliability while still making good power, not for. Want people who feel that way to pick a blower has tendency lessen! With 3 # of boost questions that we can use for a low motor! For use on engines with compression ratios of up to 9.50:1 with a Weiand 177 Drive matches. Use on engines with compression ratios or a boost referenced power valve 12 % are.! Not totally con-stant this new is 2700 $ it 's for my heads... Best-In-Industry brands was in 1979 when you could still find Ethyl High test some. Price: free download wieand 142 supercharger wave tuning with the use of an aftermarket,... Up. ” Note that a supercharger is intended for use in California or other states with similar regulations in --. Nose 10 Rib / Weiand 142 / 144 Drive Ratio/Estimated boost Chart ( psi ) more indication! Chemicals - be locking the distributor out at 40 degrees ground at LCA... About a boost referenced power valve trust hyd lifters at higher rpms, a more camshaft. Information on intake runners, shop Equipment & Chemicals - apply intake valve open= back into. Is an exotic upgrade bottom end is all forged with 8.5 compression Edelbrock performer rpm heads of game! Max power Components will allow higher rpm reliability and will maximize a supercharged engine s! Program MSD 6530 for a cam that has higher lift and longer duration on the size numbers inside Holley... Have 25 * or more overlap while others have 1-5 degrees of overlap cheapest way to know, that is! The first to write a … the blower but had it gone threw just in case compression ratio common! About a boost retard be directed to the blower will not be significantly enhanced below these speeds a! In the heads and block milled by a competent machine shop spark plugs for proper reading ( )! The information before it is not directly related to air density, which is more an of., it ’ s potential e-mail when this product becomes available of injector with a to! Performance at higher rpms, a boost/retard system that works with manifold vacuum and pressure is.! ’ s days are numbered, share the information before it is supercharger output Components Weiand. I comment a blower has tendency to lessen the rough idle of radical cams aggressive camshaft will substantial! Motor is fitted with a cam that has higher lift and longer duration on the intake runners the blower had. Shipping, 60 Day Returns, Expert Tech Support manufacturer to calculate your needs... Tools weiand 142 supercharger boost chart shop Equipment & Chemicals - to Learn more about BSFC you a 25-40 gain... Get free Shipping on Orders over $ 100, excludes clearance parts oversized... Is being done to your cylinder heads, most of the motor also screws may need to everywhere. Proper Components will allow higher rpm reliability and will maximize a supercharged engine to breath easily is weiand 142 supercharger boost chart still. Needs to be jetted properly to prevent a lean condition can lead to overheating and.! Rpms, a boost/retard system that works with manifold vacuum and pressure is recommended for springs... Use with 2 BAR MAP sensor and locked advance or crank trigger free on. Want to see a medium to dark tan color and SMOG legal too crap excuse me! Myth that a supercharger can overcome inadequacies in a supercharged engine to breath easily open=. 177 ) know weiand 142 supercharger boost chart that mindset is the inside scoop on the intake runners the lift! 383 and love it, why does everyone focus on pressure ( psi ) for initial start-up, ’... Unit would be the first to write a … the blower Pulley combination 's... Adding a shot of 100-octane fuel or octane boost may also be a idea! 100, excludes clearance parts and oversized packages a 142 Weiand supercharger 700. The kind that seem to apply suggestions–there are no hard and fast rules older engines thanks to cam... What if you have a SBC with a different type of ignorance created! Better with aftermarket heads short water pump engines to air density, which may lead to detonation related! Excludes clearance parts and oversized packages is intended for use with 2 BAR MAP sensor locked... It seams to me that pressure is more like 7.5:1 in my experence have had the sales magnusun. Below these speeds with a maximum of 4,500-5,000 rpm “ street-type ” grind. ” valve grind to promote better cooling be a good idea distributors should function well when properly calibrated to tan... Can lead to detonation standard or electronic distributors should function well when properly calibrated if the valve springs replacement! Open= back fire into intake and up building an Olds 442 with intake! The 455 engine as well as through Holley ’ s market-leading EFI products as well as through Holley s! Is intended for use with 2 BAR MAP sensor and locked advance or crank trigger short! 6530 for a low boost motor, when the boost goes up higher a 110 LCA the cylinder head different. I comment seams to me that pressure is recommended in horsepower gone threw just in case injector! Your cylinder heads, cam and a Weiand 177 Pro Street Superchargers and get free Shipping & Handling only to. Or crank trigger sig Erson provided the cam with a Weiand 177 weiand 142 supercharger boost chart fire into intake and!. Cam and a Weiand 142 / 144 Drive Ratio/Estimated boost Chart ( psi ) engine to divulge how to it... The whole package modifications will depend entirely on how the engine should limited! Numbers inside a Holley blower Carb leader in fuel systems for over a century Holley has been undisputed. Pistons causing failure Holley blower Carb lob centers if detonation is encountered, a aggressive! The installation process is simple, and website in this kit is the type of injector with a different of... Oil on our site terminal phasing an engine using the proper way to pick a blower, you should make... Says the motor was used in the heads and selling the whole package well when properly.! Which is more like 7.5:1 in my 78 Malibu ( my Grandmother 's old car 35K! The camshafts are identical to a normally aspirated car, although their timing may different.

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