Extreme Horse Power With Weiand High Rise Intake Manifolds
Discover Weiand Hi-Ram tunnel ram intakes and aluminum manifolds designed for high-RPM race engines. Boost performance today!
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Building a competition engine requires the right components to maximize airflow and generate serious horsepower. When you want to dominate the drag strip, dominate a truck or tractor pull, or upgrade a high-performance marine vehicle, the intake manifold plays a crucial role. Enthusiasts constantly search the internet for the best parts to make more power.
The Weiand high-rise intake is a legendary piece of equipment designed specifically to meet the high RPM demands of competitive racing. Featuring an optimized large plenum chamber and patented D-shaped port runners, these manifolds deliver an exceptional air/fuel mixture directly to your cylinder heads.
The Weiand Company was founded by Phil Weiand in the 1930s, initially selling a variety of speed parts, and introduced its first product, the "High Weiand" manifold, in 1937, which was the first aluminum intake on the market.
For those active in the nostalgia car hobby, finding the right vintage intake is essential. In 1949, Weiand introduced a series of "tri-power" and four 2-barrel manifolds, and shortly after World War II, they debuted a line of aluminum cylinder heads for flathead Ford engines.
A Weiand nostalgia series intake manifold often utilizes the original sand casting tooling. While the traditional casting process might yield minor appearance imperfections or minor blemishes on a natural part, the overall functionality and performance remain top-tier. These lower-volume manifolds are proudly cast in the USA, providing improved street and strip capabilities for your engine.
Weiand's innovations include the development of the first dual plane intake manifold, the "Colt," in 1965, and the introduction of the Hi-Ram Manifold with patented D-port technology in 1968, marking significant advancements in intake manifold technology. Weiand intake manifolds utilize a permanent mold casting process that results in lighter and more consistent castings, which enhances performance by improving fuel atomization and air/fuel mixture distribution.
Key Features and Performance Benefits
Weiand Hi-Ram tunnel ram intake manifolds are designed primarily for high-revving engines. They sacrifice bottom-end maximum torque for massive top-end power, effectively operating from 2,500 up to 9,000 RPM depending on the specific model.
Crafted from durable cast aluminum with a natural finish, these manifolds often feature a dual square-bore carburetor setup. Unlike a standard high-rise dual plane or a stealth rise dual plane design, the tunnel ram straightens the path of the air and fuel. This direct line of airflow feeds thirsty engines exactly what they need at wide-open throttle.
When shopping for parts, you might encounter components made via a permanent mold casting process or original sand methods. Since Weiand uses original tooling for certain lines, you get a highly authentic vintage look. Modern CNC-machined surfaces ensure that the base fits perfectly against the engine block, meaning minor appearance imperfections do not affect functionality.
Weiand Hi-Ram Product Spotlight
Choosing the right item for your specific block is critical. Here is a look at four popular models sold on the market today.
Weiand Hi-Ram Tunnel Ram Intake Manifolds 1981
Intake Manifold, Hi-Ram, Tunnel Ram, Aluminum, Natural, Dual Square Bore, Chevy, Big Block, Oval Port, Each
WND-1981: Chevy Big Block, Oval Port
This model is built specifically for a Chevy big block with oval port heads. It provides an operating RPM range of 2,500 to 7,900. It features an intake manifold height of 10.525 inches and mounts two square-bore carburetors. Customers rate this part highly, boasting a solid 4 out of 5 stars from 19 reviews. At $665.95, it remains a favorite for block Chevy owners.
Weiand Hi-Ram Tunnel Ram Intake Manifolds 1985WND
Intake Manifold, Hi-Ram, Tunnel Ram, Aluminum, Natural, Dual Square Bore, Chevy, Big Block, Rectangle Port
WND-1985WND: Chevy Big Block, Rectangle Port
For those running rectangle port heads on their Chevy, the WND-1985WND is the perfect fit. It shares the same 10.525-inch height front and rear height as the oval port version. Priced identically at $665.95, this manifold ensures you can produce incredible high-RPM thrust.
Weiand Hi-Ram Tunnel Ram Intake Manifolds 1987WND
Intake Manifold, Hi-Ram, Tunnel Ram, Aluminum, Natural, Dual Square Bore, Chrysler, 413, 426, 440, Each
WND-1987WND: Chrysler 413, 426, 440
Mopar fans need robust support to feed their massive big block engines. The WND-1987WND fits Chrysler 413, 426, and 440 engines. It extends the power band higher, operating between 2,500 and 8,500 RPM. The total height measures 9.905 inches with a carburetor center-to-center distance of 9.688 inches.
Weiand Hi-Ram Tunnel Ram Intake Manifolds 1994WND
Intake Manifold, Hi-Ram, Tunnel Ram, Aluminum, Natural, Dual Square Bore, Ford, 351C, 4V, Each
WND-1994WND: Ford 351C, 4V
Ford enthusiasts running a 351C 4V engine can rely on the WND-1994WND. This high-performance tunnel ram pushes the RPM limits even further, operating from 3,200 up to 9,000 RPM. With a lower overall height of 8.995 inches, it is tailored for aggressive racing setups requiring exceptional top-end breathing.
Choosing the Right Dual Plane Intake Manifold for Your Build
Selecting the correct manifold requires evaluating your specific vehicle and engine block. A small block requires vastly different hardware than a big block. You must determine your target RPM range, cylinder head port shape, and the quantity of carburetors you plan to run.
You do not want to buy a manifold only to find out it does not match your heads. Always check your engine year and model number before you place an order. Review the specifications, verify the height clearances under your hood, and review the results of other racers using the same equipment.
Installation and Maintenance Tips
Proper installation is required to unleash the full power of your Weiand intake. Ensure the mating surfaces on the engine block are clean before you install the new manifold. Use high-quality gaskets and follow the manufacturer's torque sequence to prevent vacuum leaks.
If you frequent swap meets looking for vintage Weiand nostalgia series intakes, carefully inspect the machined areas for damage. Keep the aluminum clean and regularly check your dual carburetor linkage to ensure smooth operation across the entire RPM band.
Take Your Engine to the Next Level
Weiand Hi-Ram tunnel ram intake manifolds deliver the extreme airflow necessary to dominate the competition. By combining an optimized large plenum with D-shaped runners, these aluminum powerhouses feed your engine the fuel it craves at high RPMs.
If you are ready to upgrade your drag car or marine performance boat, continue your search at a reputable store. Add the right Weiand manifold to your cart, check to see if your order is eligible for free shipping, and get ready to experience a massive boost in top-end performance.
Thank you for reading!
Your friend,
Todd
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Todd Bandel
Todd Bandel
Todd Bandel
Todd Bandel