12/18/2020 It's a stock 1973 350 2-barrel engine and right now it's probably making about 200 horsepower and 330 lb ft of torque … 66 watchers. The truck already has full length headers that are ceramic coated and SMOG legal too. However for optimum performance at higher rpms, a more aggressive camshaft will provide … This is a custom order part. Sounds awesome, I am highly considering a Weiand 142 mini-blower (stock legal version) for a stock 350 in my '86 K5 Blazer. Went from an over all height of 18 11/16" to 21 1/2". Use a nitrous/blower grind type cam in the 236 degree@.050 range. 2 750 mechanical Holleys. ... Blown Stock 350? That was just for height reference indicating it won't stick through the hood. ", Login with username, password and session length. Sounds awesome, I am highly considering a Weiand 142 mini-blower (stock legal version) for a stock 350 in my '86 K5 Blazer. Anyone running a 177 supercharger big block and your combo? Once the motor is warm this will decrease to roughly 1/4″ deflection in or out, or a total deflection of 1/2″. TABLE 2: Supercharger Volumes A supercharger can overcome inadequacies in a stock cam up to about 4,500-5,000 rpm. Started by ecratrods, 01-11-2013 09:10 PM. you will spend more money trying to upgrade the small blowers wimpy 6 rib drive, then just buying the bigger better 177 blower kit in the first place. of 26, 25 Records Per Page It has a factory rating of 8.0:1 compression from the factory, which is more like 7.5:1 in my experence. Pre-Owned. if not are there spacers or something that i can buy to make the supercharger sit higher? C $1,289.77. if not are there spacers or something that i can buy to make the supercharger sit higher? New 327 350 Chevy 471 in stock ready to ship kits too. The 6-71 and 8-71 designations refer to the original GMC diesel engines. Buy It Now. I think the roots-blown torque would be fun on the street. It will look weird with the hood up tho. destroy an engine. you will typically see the boost readings go up in the higher rpm ranges. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. ... Blown Stock 350? All Classified forums require a Site Supporter subscription. dart 372 ci. The average stock 350 with cast iron pistons can handle seven pounds per square inch, which results in about 50 percent more horsepower. When I hit full throttle, the engine backfires throught the carb. I think the roots-blown torque would be fun on the street. ... Supercharger System, Roots, 177 Series, Satin, Chevy, Small Block, Kit. ... Supercharger, Roots Style, Stock/OEM Standard Deck, Gilmer Pulley, Polished, … Crankcase pressure under boost conditions with a Weiand 177 blower. - $4500 (Warsaw) This is a B&M 420 6/71 Blower Supercharger fully rebuilt by The Blower Shop. The blower belt adjustment should be done with the motor cold, and have 3/4″ deflection in or out on the long side of the belt. In addition, low-profile designs are also available to provide added hood clearance in tight engine compartments. I think 800hp on racegas is doable with a slight overdrive on the blower v.s. Watch; Find CHEVROLET 5.7L/350 Superchargers, Roots Style Kits and get Free Shipping on Orders Over $99 at Summit Racing! I found that my engine loved big carbs with the blower, it made the most power with a Predator carb. Brand New. Now I'm starting to think about fun upgrade possibilities and I thought maybe a mild roots blower kit would be a worth while upgrade. What we needed was more blower speed to step the boost pressure up. Gen2Van. Re: 177 blower on 350 for jet boat? Using the supplied 3-inch blower pulley and 6-inch crank pulley, the Weiand 177 supercharger produced a peak of 6.3 psi and increased the power output of the 350 to 405 hp and 446 lb-ft of torque. Ok, 355 ci small block, running 8:1 trw turbo pistons, stock rods, Eagle forged crank. I have a weiand roots 177 supercharger on a chevy 350. These blowers are touted to deliver between 25 and 40 percent more power (10 psi) and feature Teflon-tipped rotors for longer blower life. It theroetically should support 750hp if the 177 can support 650hp from previous articles and tests. I have never had a catastrophic failure caused by the blower. I've been looking at every possible option for my next motor. In order to make more power and still retain all of its great street … Buy It Now +$106.98 shipping. if ordered today, Supercharger System, Roots, 144 Series, Polished, Chevy, Small Block, Kit, Supercharger System, Roots, 142 Series, Polished, Chevy, Small Block, Kit, Estimated Ship Date: A roots supercharged engine will make maximum torque at a relatively low engine speed. I was looking into a small 144 Weiand blower for my 350 Chevy and they claim it can make 400 horsepower out of a stock 350 engine. Find Weiand 6512-1 Weiand 177 Pro Street Superchargers and get Free Shipping on Orders Over $99 at Summit Racing! Results 1 - 25 You can order this part by Contacting Us. Gen2Van. http://s36.photobucket.com/user/dvdswan/story/10553#, http://forum.73-87chevytrucks.com/smforum/index.php?topic=25893.0, Quote from: dvdswan on February 18, 2014, 12:30:59 PM, Quote from: Captkaos on February 18, 2014, 12:51:36 PM, http://forum.73-87chevytrucks.com/smforum/index.php?topic=12913.0, Quote from: rewardedgamer on February 18, 2014, 05:05:22 PM, Quote from: dvdswan on February 18, 2014, 08:07:17 PM, Quote from: Stewart G Griffin on February 20, 2014, 01:40:51 PM, SimplePortal 2.3.5 © 2008-2012, SimplePortal. Ive got another stock type rebuilt 350 sitting in the shed, thinking of swapping the valve springs on it and trying this blower out on it. Yes I have been running GMC blowers on stock small blocks for the last 30 years.several 6-71's and a 4-71. I read a super chevy article on a pretty mild 600 hp 355ci small block using the 177 blower. Default Sort, Supercharger System, Roots, 177 Series, Satin, Chevy, Small Block, Kit, Supercharger System, Roots, 144 Series, Satin, Chevy, Small Block, Kit, Supercharger, E-Force 122, Single Carb, Satin, Chevy, SBC, with E-Tec/Vortec Style Head, Kit, Supercharger System, Roots, 6-71 Series, Polished, Chevy 1955-86, Small Block, Kit, Supercharger System, Roots, 142 Series, Satin, Chevy, Small Block, Kit, Supercharger, E-Force 122, Single Carb, Satin, Chevy, SBC, Kit, Supercharger System, Roots, 6-71 Series, Satin, Chevy 1955-86, Small Block, Kit, Estimated Ship Date: You will typically find that performance with a blower will not be significantly enhanced below these speeds with a cam change. 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. If your engine is not as free-breathing as it could be (because it has a stock or low performance cam, small valves, restricted ports, etc.) A gain of over 3" in height. The blower looks cool, but is there any possibility of it fitting under a stock style cowl induction hood on a 1st gen Camaro? between the blower case and the rotors allows for air “leak-age” with some loss of boost efficiency. Learn more. The 177 on a 350 will make good power. ... Supercharger System, Roots, 177 Series, Satin, Chevy, Small Block, Kit. I have made a few changes since the post the capt listed. Cam and heads still play a major part in making power from a blower engine and boosting up to 10+PSI to overcome crappy heads just ain't gonna get it done. Find CHEVROLET 5.7L/350 Chevy small block Gen I Superchargers, Roots Style Kits and get Free Shipping on Orders Over $99 at Summit Racing! 1/4/2021 Compression was about 9 to 1 so; overall, it seemed like a pretty good package but in … Engine speeds in excess of 6,000 rpm are totally unnecessary with a blower, and can be extremely detrimental. i doubt it. Jess Table 2 shows the amount of air per blower revolution the Weiand blowers pump. Weiand's Pro-Street superchargers represent a significant leap in technology for obtaining substantial performance gains while maintaining drive ability and reliability. * ** THIS ITEM IS TEMPORARILY OUT OF STOCK *** FREE SHIPPING on ATK Engines. Free shipping when your order includes this part. i don't have a big block... so your saying that i wont have a hood scoop if i get a 144 or 177? I still like the 256 blower option for a big block. The small pilot on the rear of the WEIAND pulley Buy It Now +$149.99 shipping. 5/18 In preparation for the blower, we installed a Comp Cams Nitrous HP camshaft (NX274H). Re: will a weiand 144 or 177 stick out the hood? if not are there spacers or something that i can buy to make the supercharger sit higher? I changed secondary … you will typically see the boost readings go up in the higher rpm ranges. For 500Hp + get the Bigger Weiand 177. plus the standard 10 rib drive is MUCH BETTER. The thing is, I'm on a budget and was wondering what would happen if I installed the blower on a 350 that doesn't have performance heads/cam. I would be guessing at the duration but I remember it was a blower cam so it was a longer duration. A stock carbureted low-output 305 or 350 (LG-4 or L-69) will easily take this blower kit. Its shorter than the 6-71 still and might fit without major issues on a big hood. Test fit the WEIAND pulley to the stock V-belt pulley. 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