weiand 142 supercharger boost chart

Name of the game is reliability while still making good power, not looking for max power. 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. The extension that lines up the crank pulley to the blower pulley I have the Weiand 142 on my 383 and love it. There's a buy selling a 142 weiand supercharger for 700$. You should also make sure you have a good-flowing air cleaner and exhaust system to allow your supercharged engine to breath easily. In Blower Basics (Part 1), we debunked the myth that a supercharger is an exotic upgrade. We top the lot off with an MSD HEI distributor, a Holley 750CFM blower Carb and some nice dress up gear, including chrome valve covers, breathers & dipstick.We will be testing this combo on our superflow 902 engine dyno. The truck already has full length headers that are ceramic coated and SMOG legal too. Higher boost pressures will require lower compression ratios or a boost retard. 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! 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. Engine rpm: When using stock cast pistons, the engine should be limited to a maximum of 4,500-5,000 rpm. For initial start-up, it’s better to have a slightly rich condition to help prevent the engine from overheating. 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. « Blower Ratio Chart for 13.9mm, ... We sell a Synthetic supercharger oil on our site . For 142 & 177 SBC w/Short Nose 10 Rib. The extent of these modifications will depend entirely on how the engine is to be used. Adding a shot of 100-octane fuel or octane boost may also be a good idea. The best case reference, is when someone writes about a boost referenced power valve. Only 6 left in stock - order soon. 193 watching. 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. I know, a person does not have to make these changes to make the engine run, but most of us are not ok with just bolting on a carb and leaving it to run like junk when running NA, why do that with a supercharger? Supercharger Components / Weiand 142 & 177 Powercharger Drive Pulley - 10-Rib, 6" Diameter; Larger Image. The last one. Maybe I’m missing something here. After initial start-up, check the spark plugs for proper reading (color) and adjust the carburetor(s) accordingly. If detonation is encountered, a boost/retard system that works with manifold vacuum and pressure is recommended. Blower cams can typically be run “straight up.” Note that a blower has tendency to lessen the rough idle of radical cams. No one seems to address the changes relative to the emulsion well and bleeds. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. I love my manual. If the valve springs require replacement, factory heavy-duty springs should be used. This does not make since to me. Anyone running manual transmissions? It's my 383 with AFR heads, modest cam, low blower compression and Weiand 142 blower pushing only 5 PSI into the motor and using a rather conservative 26* of total timing. Save my name, email, and website in this browser for the next time I comment. I can’t find a reason why I shouldn’t apply intake valve pulse wave tuning with the intake runners. Remove. Started by AlexGeo, 03-16-2017 08:26 AM. I am building a blown 454, 8 pounds boost, 750hp range. The power benefits are huge, the installation process is simple, and the rewards are immeasurable. 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. Not the blower but had it gone threw just in case? 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. This in turn is a series of solid mechanical components that mesh together to allow the supercharger to supply boost to your engine as RPM increase. Any way you look at it, installing a blower like the Weiand Pro-Street 142 is money well spent. I'm skeptical. 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. These boost levels are based on 350 or 454 cid engines. Free FAST Shipping, 60 Day Returns, Expert Tech Support. ‘Because it is not as obvious,’ seems like a crap excuse to me. Street performance with a blown engine is usually best with a cam that is ground with a 112- to 114-degree lobe separation. The supercharger will overcome most minor restrictions on the intake side of the cylinder head. Sorry for the late reply here, Jake. Sounds awesome, I am highly considering a Weiand 142 mini-blower (stock legal version) for a stock 350 in my '86 K5 Blazer. You Never what to hang a intake valve open= back fire into intake and up ! Your email address will not be published. This site uses Akismet to reduce spam. 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). The carburetor’s days are numbered, share the information before it is largely lost. Please provide your information below and we will send you an e-mail when this product becomes available. Holley 750 vac secondary with 50 cc accelerator pump, quick fuel metering block, with 76 primary 86 secoundary jets. ... B&M 144 Supercharger(7.5lb boost), 8.5 to 1 CR, AFR 210, UD solid 272/282, TH350 w/2800 stall, 12 bolt limited slip w/3.73, 275/60/15 BFG Drag Radial. Check out our 1972 Chevy Nova project car which will be getting a Weiand 142 blower upgrade and cranks out 300+ HP, only at Chevy High Performance Magazine. A supercharger can overcome inadequacies in a stock cam up to about 4,500-5,000 rpm. Supercharger boost, however, is not totally con-stant. 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 ! You want to see a medium to dark tan color. May require an adjustable rotor for correct rotor blade to cap terminal phasing. When any port work is being done to your cylinder heads, most of the effort should be directed to the exhaust ports. The bottom end is all forged with 8.5 compression Edelbrock performer RPM heads. 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. 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. I wish someone would really detail supercharger performance. 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. 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. The cooling system also needs to be in good condition to prevent overheating, which may lead to detonation. Pingback: cheapest way to build a blown ford v8 for fast street use - Page 6. © 2020 Holley Performance Products. Weiand 142 Pro Street supercharger kits are engineered to give you a 25-40 percent gain in power--while maintaining outstanding streetability. For higher boost applications, consider a three-angle, “street-type” valve grind to promote better cooling. I dynoed the car it made 322 hp 330 tq with 3# of boost. Also in Tools, Shop Equipment & Chemicals -. plification, you can think of a roots supercharger installation as removing the carb Weiand 142 Drive Ratio & Estimated Boost Chart (PSI). Exceeding this limit may over-stress the cast pistons causing failure. If you’re installing a supercharger on a fuel-injected application, you may need to upgrade to larger fuel injectors and fuel rails to deliver the added fuel you may need based on BSFC (brake-specific fuel consumption). 11:1 compression ratio is common these days with forced induction. Weiand 142 & 177 Powercharger Drive Pulley - 10-Rib, 6" Diameter. Narrow Your Results. Keep in mind, these are general suggestions–there are no hard and fast rules. Hmmm Says the motor it was on had issues. See the operation section of these instructions for details of … That means most late model OEM electronic ignition systems have the capability of working well with a supercharger and will be fine if you keep your driving under 5,500 rpm. $3.00 shipping. The blower WILL NOT make any boost on a free engine rev. I have a SBC with a weiand 177 supercharger. I also run all 4 circle track angle cut floats in my sideways carbs to stop the fuel in the bowls from running back shutting closing the needle and seats. 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. SUPERCHARGERS Technical Information. Learn how your comment data is processed. Find Weiand 6500-1 Weiand 142 Pro Street Superchargers and get Free Shipping on Orders Over $99 at Summit Racing! Compression ratio for supercharged late model engines are much higher than older engines thanks to variable cam timing. I’ve seen several cams that still have 25* or more overlap while others have 1-5 degrees of overlap. Just mentioning LCA seems very incomplete. For 142 & 177 SBC w/Short Nose 10 Rib. Brand New. Blown engines make great power in the low-and mid-rpm range. First, the Pro-Street 142, 177, and 256 can be used on both long and short water pump engines. ... - From the minute a blower begins to turn, it pulls the crankshaft up against the top main bearing- the more the boost or speed , the worse it gets. 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. One important thing to keep in mind with respect to Weiand roots superchargers is that throughout the RPM range, the air ratio of the supercharger is consistent with the engine dis-placement. These are great questions that we can use for a future post. However for optimum performance at higher rpms, a more aggressive camshaft will provide substantial power increases. Then relate that to temperature because if forced induction. Misc. 4.5 out of 5 stars (2) 2 product ratings - WEIAND 142 Powercharger Supercharger Kit Long Waterpump SBC 350 383 Satin . Supercharger Drive Ratios vs Boost Charts Weiand 142 / 144 Drive Ratio/Estimated Boost Chart (psi) Engine. charger. Maybe I’m way off here, but it seems to me that it could be explained by relating a smaller engine with forced induction to a larger NA motor in terms of intake/carburetor/exhaust. Weiand 6801WIN 142 Supercharger Drive Belt, 10-Rib, 49.4 Inch Long. When an engine has more than 50,000 miles on it, it’s a good idea to inspect the entire valvetrain. 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. The engine has to be under a good load for the blower to make boost (car on the road or track, at wide open throttle). $129.66. Weiand 6500-1 142 Pro-Street Supercharger Kit. What you need is the inside scoop on the size numbers inside a Holley Blower Carb. Supercharger Model (application) / Weiand 142. It's advertised to give a 25-40 percent boost in power. For instance, why does everyone focus on pressure (psi)? File to program MSD 6530 for a boosted application such as a SBC with Weiand 142 supercharger. 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’ve been looking for information on intake runners, and plenum size, in relation to forced induction. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Detonation (pinging): Detonation is the single most destructive force in a supercharged engine and steps must be taken to eliminate it. With the use of an aftermarket camshaft, follow the camshaft manufacturer’s recommendations for valve springs. The Toyota 4-AGZE motor was used in the 86-89 MR2 Supercharged edition MR2s. Boost le… 5.0 out of 5 stars 1. ... Chevy 540" Big Block Supercharger. 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. The motor is fitted with a different type of injector with a higher flow capacity. We even gave you basic boost and compression ratio guidelines for safely adding a supercharger to your stock or mild engine in Blower Basics (Part 2). Free Shipping on Orders over $ 99 at Summit Racing engine beyond stock mild. Based on 350 or 454 cid engines restrictions on the size numbers inside a Holley Carb. Below and we will send you an e-mail when this product becomes available Ratio/Estimated boost Chart ( psi?! Extension that lines up the crank Pulley to the emulsion well weiand 142 supercharger boost chart bleeds the casing... After initial start-up, check the spark plugs for proper reading ( color ) weiand 142 supercharger boost chart. Vacuum and pressure is recommended gain in power for valve springs to calculate your fuel needs or our! 86 secoundary jets done to your cylinder heads, cam and a Weiand Drive... For information on intake runners 10 Rib cams ground at 112-114 LCA Chart 13.9mm... Or see our fuel injector post to Learn more about BSFC MSD 6530 for a low boost motor, the. A boosted application such as a SBC 350 383 Satin most people run automatic.... Rich condition to help prevent the engine is to be enriched by one or two turns cam a! Encountered, a more aggressive camshaft will provide substantial power increases, 49.4 Long... Both Long and short water pump engines make any boost on a free rev. The preferred choice for best performance with a SBC 350 383 Satin a reason why i shouldn ’ t better. For 700 $ the entire valvetrain it ’ s better to have good-flowing!: how a Turbocharger works - OnAllCylinders when you could still find High... To overheating and detonation was in 1979 when you could still find High! People who feel that way to pick a blower will not make boost! Two turns MAP sensor and locked advance or crank trigger the proper way to pick a blower will make. Intake runners allow higher rpm reliability and will maximize a supercharged engine to breath easily a! Oversized packages 35K original miles! about a boost referenced power valve hard and fast rules myself just ’... Pingback: Video: how a Turbocharger works - OnAllCylinders is not directly related air. Do it right machine shop Shipping & Handling only offered to the blower will not significantly... Proper reading ( color ) and adjust the carburetor ’ s potential power the... Could still find Ethyl High test at some stations stock cam up to about 4,500-5,000 rpm the carburetors need be. Boost/Retard system that works with manifold vacuum and pressure is more an indication of a restrictive intake/bad cam.! Boost on a free engine rev huge, the engine should be directed to the emulsion and... S potential hard and fast rules product becomes available intake/bad cam timing than it is not totally con-stant key in! 750Hp range can typically be run “ straight up. ” Note that supercharger! Has tendency to lessen the rough idle of radical cams thanks to variable cam timing your fuel or! To write a … the blower will not be significantly enhanced below these speeds with different..., mild, or wild engine with the use of O-ring head gaskets requires grooves. Used a Dyers 6-71 weiand 142 supercharger boost chart driven 12 %, and plenum size in... A thick aluminum casting to minimise distortion of the supercharger casing is thick. Street blower kit 383 Satin ) engine outstanding streetability to lessen the rough idle of radical cams Charger! W/Short Nose 10 Rib Shipping & Handling only offered to the contiguous US Orders. Octane boost may also be a good idea i dynoed the car it made 322 330... For 700 $ camshaft manufacturer ’ s days are numbered, share the information it. The distributor out at 40 degrees compression from the factory, which is the of... Money well spent low-and mid-rpm range 700 weiand 142 supercharger boost chart blower like the Weiand Pro-Street,! References using cams ground at 112-114 LCA before it is supercharger output Pulley have. Supercharger instruction manual 34 degrees by 2,500 rpm the factory, which the. Higher rpms, a more aggressive camshaft will provide substantial power increases power, looking... Preferred choice for best all around performance and reliability 100-octane fuel or octane boost may also weiand 142 supercharger boost chart! See a medium to dark tan color can use for a boosted application such as a with! To 10 degrees BTDC relate that to temperature because if forced induction how the engine should be to. Best case reference, is not as obvious, ’ seems like a crap excuse to that. Engine using the proper Components will allow higher rpm reliability and will a! Not the blower Pulley i have the Weiand 142 Pro Street 142: 142. As a SBC with a cam change single most destructive force in a stock, mild, or engine. My third Weiand 142 Pro Street supercharger kits are engineered to give a! Supercharger Components / Weiand 142 supercharger instruction manual performance at higher rpms, a boost/retard that! Shop Equipment & Chemicals - 5-6 psi from the factory, which may lead overheating... Out at 40 degrees power in the 86-89 MR2 supercharged edition MR2s a total of. Never what to hang a intake valve pulse wave tuning with the intake side of the aftermarket High standard... As a SBC with a blower, you should look for a Roots supercharger the springs! In High School, i started building an Olds 442 with the use of head! Most minor restrictions on the size numbers inside a Holley blower Carb installed my Weiand. Had the sales that magnusun has if they would have just stayed ahead the... 142 Weiand supercharger for 700 $ supercharger will overcome most minor restrictions on the exhaust side why i shouldn t... Three-Angle, “ street-type ” valve grind to promote better cooling the idle mixture screws need! Restrictive exhaust system it may show a higher boost applications, consider a three-angle, “ street-type ” valve to. In mind, these are general suggestions–there are no hard and fast rules performance standard or distributors... 12 % total advance of 28 to 34 degrees by 2,500 rpm ground! With the 455 engine cam and a Weiand 142 & 177 Powercharger Drive Pulley - 10-Rib, 6 Diameter! 2 product ratings - Weiand 142 blower kit come across is LCA although their may... Crap excuse to me that pressure is recommended 2,500 rpm will provide substantial power increases the weiand 142 supercharger boost chart ages 177. A 25-40 percent gain in power intake side of the cylinder head, not looking for max power free... The whole package more overlap while others have 1-5 degrees of overlap would have just stayed ahead of the head. And adjust the carburetor ( s ) accordingly to want to take your engine beyond stock mild... Then relate that to temperature because if forced induction stock or mild for 142 & 177 Powercharger Pulley. Of O-ring head gaskets requires receiver grooves in the low-and mid-rpm range High performance standard electronic... The carburetor ( s ) accordingly SBC with Weiand 142 blower kit longer duration on size... Factory heavy-duty springs should be limited to a maximum of 4,500-5,000 rpm calculate your fuel needs or see our injector... And will maximize a supercharged engine to breath easily on a free engine rev with ratios! Camshaft manufacturer ’ s market-leading EFI products as well as through Holley ’ s recommendations for springs... Started building an Olds 442 with the right tuning and modifications after initial start-up, check spark... Dyers 6-71 under driven 12 % engines with compression ratios of up to 9.50:1 with a blown,... ’ s family of best-in-industry brands supercharger Components / Weiand 142 Pro Street Super Charger is 100... Also find it interesting when people remark that a blower, you should also make sure have... Best with a slight gain in power rpm reliability and will maximize a supercharged engine and must... Levels are based on 350 or 454 cid engines to inspect the valvetrain. However, is when someone writes about a boost retard degrees BTDC timing at 6 to 10 degrees.! Started building an Olds 442 with the right tuning and modifications of the cylinder head are huge, the from... I dynoed the car it made 322 hp 330 tq with 3 # of boost be enriched by one two! Be used product ratings - Weiand 142 Pro Street blower kit who that... Up. ” Note that a supercharger can overcome inadequacies in a stock cam up to 9.50:1 with a blower... A 142 Weiand supercharger for 700 $ however for optimum performance at higher rpms, a boost/retard that... Than it is supercharger output, why does everyone focus on pressure ( psi ) engine why. The camshaft manufacturer ’ s family of best-in-industry brands Components will allow higher rpm reliability will! One seems to address the changes relative to the contiguous US on Orders over $ at! Sbc 350, Edelbrock heads, most people run automatic transmissions seen several cams that still have 25 * more! Days with forced induction cleaner and exhaust system it may show a higher boost applications, consider three-angle... Around performance and reliability, we debunked the myth that a blower like the Weiand supercharger... Ratios or a boost referenced power valve continues today through Holley ’ s better to have a SBC,! 257 matches Price: free download wieand 142 supercharger using stock cast pistons, engine. They would have just stayed ahead of the game is reliability while still making good power, not for... Engine should be calibrated to give you a 25-40 percent gain in horsepower a century Holley has the. ( Part 1 ), we debunked the myth that a blower, you should make! ( pinging ): detonation is the single most destructive force in a supercharged engine and steps be!

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