Extremely aggressive , suited for next level all-out competition. US $377.00 . Features:Square bore carb flangeNitrous bossesFour corner water portsDual distributor zincEmissions: Not CARB Legal for Sale/Use On Pollution Controlled Vehicles. one bowed into the other port a nd one was not straight. Stock TruckeBay Price: $80Construction: CompositeRunner Length: 11.0 inThrottle Opening: 2.960 inThrottle-Body Size Tested: Accufab 78mmFuel Rail: Stock truckInjectors: Holley 75 lbPeak Power: 549 hp at 6,900 rpmPeak Torque: 481 lb-ft at 5,000 rpmAve HP (3,0007,000): 431.2 hpAve TQ (3,0007,000): 450.8 lb-ftTQ at 4,000 RPM: 454.5 lb-ft, What We Like: Availability and performanceWhat We Don't: Ugly. The basic, sub-$2,300 manifold kit doesn't include the injectors and necessary sensors, the ignition control system, or a properly prepared distributor; and unless you opt for the version that includes the controller, there's no control system eitherand even with the control system, the injectors and other necessary components aren't included. Speedmaster PCE145.1039 - Universal 450 lbs./hr. The last Weiand and Edelbrock manifolds I bought looked like works of art . EFI In-Line Fuel Pump - Black, Speedmaster PCE104.1090 - Velocity Stack Dome Air Filter Element - Push-in Style - 2.2 in. Speedmaster Cylinder Head parts have been assembled with the finest premium components to provide your engine with optimal airflow for maximum engine performance. The last Weiand and Edelbrock manifolds I bought looked like works of art compared to this POS, which looks like a cobbled together prototype. Our Cylinder Heads are built and assembled in-house at our facility in California.
Equipped with the factory LS1 intake and Accufab 78mm throttle-body, the 6.0L produced peak numbers of 535 hp and 468 lb-ft of torque. Torque was up by 1 lb-ft with a peak of 475 lb-ft.
Speedmaster HiRise Intake Manifold Ford 351W - JEGS High Performance To provide a better shopping experience, our website uses cookies. For a street car with under .500 lift, I think it would actually work better than the Air-gap due to the smaller plenum. 2.0 out of 5 stars. The question now is would you trade the extra 24 lb-ft down low for a loss of 3 hp at the top? I myself never recommend the chink knock offs. I have the SM intake on it now, and I've had a New Eddy air gap in the box for a few years now. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed and manufactured in . Theoretically, the straight runners in the 102mm LSXRT should improve power production, but the RT version managed to squeak past the (low profile) LSXR by just 1 hp.
Speedmaster vs Edelbrock air gap intakes | Page 2 - For A Bodies Only Speedmaster Performance Air Intake Systems - CARiD.com 1 2 3 Next B B3422w5 Well-Known Member Joined Feb 9, 2017 Messages 3,193 Reaction score 3,886 Location Portage michigan Nov 23, 2021 #26 Johnny Mac said: The professional products intake made 30 less horsepower on our aluminum headed 408 than the edelbrock. $21.80. All Rights Reserved.
Speedmaster Intake Manifolds, Supercharger - Summit Racing (39), Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-002, Speedmaster Sidedraft EFI Stack Intake Manifold Systems 1-148-007, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-008, Speedmaster Qualifier EFI Series Intake Manifolds PCE148.1023, Speedmaster Qualifier EFI Series Intake Manifolds PCE148.1026, Speedmaster Intake Manifolds, Fuel Injected PCE148.1022, Speedmaster Fabricated EFI Intake Manifolds 1-148-054, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-042-01, Speedmaster Qualifier EFI Series Intake Manifolds PCE148.1100.02, Speedmaster Shootout Series EFI Intake Manifolds PCE148.1013, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-011, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-042-02, Speedmaster Intake Manifolds, Fuel Injected 1-148-015, Speedmaster Shootout Series EFI Intake Manifolds PCE148.1041, Speedmaster Downdraft EFI Stack Intake Manifolds PCE148.1049, Speedmaster Qualifier EFI Series Intake Manifolds PCE148.1065, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-004, Speedmaster Downdraft EFI Stack Intake Manifolds 1-148-010, Speedmaster Intake Manifolds, Fuel Injected 1-148-017, Speedmaster Intake Manifolds, Fuel Injected 1-148-032, Speedmaster Intake Manifolds, Fuel Injected PCE148.1044, Speedmaster Intake Manifolds, Fuel Injected PCE148.1052, Speedmaster Qualifier EFI Series Intake Manifolds PCE148.1008, Speedmaster Intake Manifolds, Fuel Injected 1-148-050, Speedmaster Intake Manifolds, Fuel Injected 1-148-035. The current lineup includes Speedmaster cylinder heads, engine blocks, crankshafts, connecting .
20 LS1 Intake Manifolds: Tested! - MotorTrend We also ran the Holley Mid-Rise in carbureted trim, though the dual-carb Mid-Rise was a more significant change in the intake design than the simple lid swap on the Hi-Ram.
Air & Fuel Delivery
First up was the LS6 intake.
Speedmaster Round Aluminum Air Cleaner with Washable Element. Speedmaster, Open Plenum Intake Manifold, Chev 350 HiRise, 1957-1995, Satin Finish: Chevrolet Small Block HiRise Open Plenum Satin Finish: In Stock: $285.00. Fathers Day Roadkill Gift Bundle Deal! Notes:This intake is designed to work with stock LS heads.
Out of Stock.
They have some very unique designs. United States - USD ($), Intake Manifolds, Fuel Injected Components, Superchargers, Centrifugal Style Head Units, Differential Carrier Bearing Adjusting Nuts, Differential Pinion Bearing Spacers and Sleeves, Differential Spanners and Side Adjuster Tools, Driveshafts, Drive Chains, Couplers & Yokes, Automatic Transmission Brackets and Levers, Automatic Transmission Filters, Direct Fit, Automatic Transmission Rebuild Components, Automatic Transmission Trans-Brake Solenoids, Manual Transmission Replacement Components, Manual Transmission Throwout Bearing Retainers, Hoods, Tops, Body Panels, Parts & Sections.
The various intakes were run with no less than eight different fuel rails, seven different throttle-bodies, and three different style injectors. Stock Trail Blazer SSeBay Price: $210Construction: CompositeRunner Length: 9.5 inThrottle Opening: 3.45 inThrottle-Body Size Tested: FAST 90 mmFuel Rail: FAST (modified mounts)Injectors: Holley 75 lbPeak Power: 562 hp at 7,000 rpmPeak Torque: 497 lb-ft at 5,000 rpmAve HP (3,0007,000): 444.4 hpAve TQ (3,0007,000): 464.6 lb-ftTQ at 4,000 RPM: 469.5 lb-ft, What We Like: Bigger throttle opening and best overall factory performerWhat We Don't: Limited availability and even more expensive than the LS6. Heads are ready to bolt on right out of the box, Made from high quality components, built to last and assembled in our California facility.
Speedmaster Cylinder Heads
if ordered today. Fuel and air is delivered through precision cast aluminum 50mm IDA style throttle bodies that allow for superior idle characteristics and astounding throttle response while improving emissions and economy through tight air/fuel ratio control. International Customer Options|In the United States? Product Q&A View Now.
The Edelbrocks plenum was larger and the intake was slightly taller so the plenum volume would be greater in the Edelbrock. Your car breathes, just like you do.
Jul 17, 2023
May 23, 2014 Anyone hear of these,or tried one on 351W builds? Estimated International Ship Date:
Least powerful of all the factory offerings, the LS1 definitely limited the power output of our 6.0L test motor. 19,867. D x 0.700 in. This was especially true of performance Hemi combinations that included aggressive camshaft timing, as neither mechanical injection nor downdraft carburetors could provide precise fuel metering through the entire rev and/or load range. Naturally, we tested the factory truck intake, as GM made literally millions of trucks equipped with either the 4.8L, 5.3L, or 6.0Lall sharing the same intake.
Speedmaster El Rayo ignition system are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed. From Street to Race ready performance, weve got it all covered, Weve done all the hard work for you. Speedmaster Intake Valves are designed to increase fuel flow and withstand the stress and high-temperature ranges within high-performance engines. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. For a better experience, please enable JavaScript in your browser before proceeding. Intake looked good to me. Heads are stock magnum heads but remans that I got cheap, and I guess we'll say they've been mildly home-ported by me with hughes spring kit. SpeedmasterRetail Price: $220Construction: Cast aluminumPart Number: PCE-148.1007Runner Length: 8.5 inThrottle Opening: 3.85Throttle-Body Size Tested: FAST 102 mmFuel Rail: Wilson billetInjectors: Holley 75 lbPeak Power: 561 hp at 7,000 rpmPeak Torque: 478 lb-ft at 5,000 rpmAve HP (3,0007,000): 430.2 hpAve TQ (3,0007,000): 449.5 lb-ftTQ at 4,000 RPM: 453.9 lb-ft, What We Like: Low costWhat We Don't: Like to see larger throttle opening and longer runners. Holley Hi-Ram EFIRetail Price: $724Construction: Cast aluminumPart Number: 300-123Runner Length: 6.50 inThrottle Opening: 4.13 inThrottle-Body Size Tested: Holley 105mmFuel Rail: HolleyInjectors: Holley 75 lbPeak Power: 597 hp at 7,100 rpmPeak Torque: 474 lb-ft at 5,300 rpmAve HP (3,0007,000): 431.4 hpAve TQ (3,0007,000): 448.0 lb-ftTQ at 4,000 RPM: 439.7 lb-ft, What We Like: Versatility and tunnel-ram design makes top-end powerWhat We Don't: Like to see the attachment bolts for the lids come in from the top. Speaking of combos, our test motor was built to simulate your basic hot street-strip setup. Please select the checkbox to SignUp for text alerts. Much poorer quality than I initially thought. Credit also goes to the impressive head flow offered by Hemi heads, which was near 260 cfm. Some parts are not legal for use in California or other states with similar laws / regulations.
Stepping into aftermarket cast-aluminum intake offerings, the Speedmaster intake offered shorter (and larger) runners than the LS1 as well as a larger throttle opening. They include almost everything you need to make serious horsepower. There are many options for EFI kits so we allow our customer the option to choose the best one that matches their application.
Promo Code discounts cannot be combined on orders with price matched items. As expected, the single-plane Victor Jr. offered more peak power than the LS1, but the downside was that (unlike the dual-plane) power production suffered below 5,500 rpm. Stainless Steel Intake Valves Big Block Chevy 454, Head Diameter: 2.250 in., Overall Length: 5.344 in., Stem Diameter: 11/32 in. Jul 14, 2023
CHEAP Speedmaster Intake Review & Comparison | Hot Rod Forum So 470 to 440. This intake is made for pre 1986 Chevy small block engines. Like the TSP, the Edelbrock was down compared to the LS1 below 4,700 rpm, but pulled away handily thereafter. They include almost everything you need to make serious horsepower. . With these results, obviously, the Atomic must be viewed as a serious player.
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Anyone seen the new Speedmaster IR EFI intake for SBF/SBC? - Don How To Color-Sand and Buff Your New Paintjob, Wild Twin-Turbo Ram 1500 TRX Destroys Quarter-Mile E.T./Speed Records, Vintage Drag Racing Takes Over SoCal Track, A Radical Muscle Car Transformation Trend Takes New Hot Rods Back to Their Roots. I paid 132 dollars for a new 3x2 Edelbrock intake sans carburetors for an FE Ford but that was give or take 55 years ago. The Edelbrock is a better cast unit with bigger runners and ports. See all 14 photos. How well they compare on low power builds is a good question. Part Number: 746-1-147-025. Pontiac 326 350 389 400 421 428 455 MidRise Air Intake Manifold Black. As if Hemi owners won't want to attack the stack system based on looks alone, the downdraft also improved the power output by more than 30 hp, with big torque gains consistent through the entire rev range. For the more serious street application, the SuperStreet Series boasts high quality intake and exhaust valves and valve springs suited for daily drivers and tough street machines. Fathers Day Roadkill Gift Bundle Deal!
Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power.
It is comparable to the Edelbrock Performer RPM. For the ultimate in Street Performance, look no further than the Outlaw Series. "We not only install all the components, we get them ready to run for the engine. Delivering crisp EFI performance with systems capable of supporting high hp.
Speedmaster LS7 Downdraft Intake Test - MotorTrend
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