S&S Quickee Pushrods represent a significant advancement in Harley-Davidson valve train adjustment technology, offering simplified installation and precise tuning for optimal engine performance.
These adjustable pushrods feature a revolutionary design, notably the threaded adjuster that disengages for effortless insertion and removal, streamlining the adjustment process.
They are compatible with a range of Harley-Davidson models, including 2017-Up M8 engines, Evolution motors, and Shovelhead applications, providing a versatile upgrade option.
What are S&S Quickee Pushrods?
S&S Quickee Pushrods are adjustable valve train components designed for Harley-Davidson motorcycles, engineered to simplify the often-complex process of valve lash adjustment. Unlike traditional pushrods requiring rocker cover removal for adjustment, Quickee Pushrods boast a unique threaded adjuster mechanism.
This innovative design allows the adjuster screw to thread into the pushrod body until the threads disengage, enabling the adjuster to smoothly slide into position. This feature drastically reduces installation time and complexity.
Once properly adjusted, a secure locknut prevents unwanted movement, maintaining precise valve train geometry and ensuring consistent performance. They are available in various configurations to suit different engine models and applications.
Benefits of Using Quickee Pushrods
S&S Quickee Pushrods offer several key advantages over traditional pushrod adjustment methods. The primary benefit is significantly reduced installation and adjustment time, thanks to the disengaging thread design allowing for adjustment without rocker cover removal in many cases.
This streamlined process minimizes downtime and simplifies maintenance. Furthermore, Quickee Pushrods accommodate a wide range of tappets and cam base circle diameters, offering versatility across different engine builds.
The integrated locknut ensures a secure and reliable adjustment, preventing drift and maintaining optimal valve train performance. Precise adjustment contributes to improved engine efficiency and overall ride quality.
Understanding the Design
S&S Quickee Pushrods utilize a unique threaded adjuster mechanism, allowing for easy length adjustments. The threads disengage during installation, simplifying the process significantly.
A secure locknut then maintains the desired adjustment, ensuring consistent valve train operation and reliable performance.
Threaded Adjuster Mechanism
The core innovation of the S&S Quickee Pushrod lies within its threaded adjuster mechanism. This design allows the adjuster screw to thread directly into the pushrod body until a crucial point is reached – thread disengagement.
Once the threads disengage, the adjuster effortlessly slides into the pushrod, eliminating resistance and dramatically simplifying installation or removal. This feature bypasses the traditional struggles associated with pushrod adjustments.
This ingenious system minimizes downtime and frustration, making valve train maintenance significantly more efficient for both professional mechanics and dedicated enthusiasts. It’s a key element in the Quickee Pushrod’s user-friendly design.
Disengaging Threads for Easy Installation
The defining characteristic of S&S Quickee Pushrods is the ability to disengage the threads during installation. This process involves screwing the adjuster into the pushrod until the threads effectively “slip” past one another.
This disengagement allows the adjuster to slide freely within the pushrod’s body, removing any binding or resistance that typically complicates pushrod insertion. It’s a revolutionary approach to a traditionally cumbersome task.
Consequently, installation or removal becomes remarkably quick and easy, even in tight engine compartments. This feature significantly reduces the time and effort required for valve train maintenance and adjustments.
Locknut Functionality
Once the S&S Quickee Pushrod is correctly installed and the desired valve lash is achieved, the locknut plays a crucial role in maintaining that precise adjustment. The locknut securely tightens against the adjuster, effectively preventing any unwanted movement or drift.
This locking mechanism ensures that the valve lash remains consistent during engine operation, contributing to optimal performance and reliability. It eliminates the need for frequent re-adjustments, saving time and effort.
Properly torqued, the locknut guarantees a stable and dependable valve train, maximizing the benefits of the Quickee Pushrod’s innovative design.
Compatibility and Applications
S&S Quickee Pushrods demonstrate broad compatibility, fitting 2017-Up M8 Harley-Davidson models, Evolution engines (93-5120), and Shovelhead applications, offering versatile upgrades.
These pushrods are designed to accommodate various tappets, cam base circles, and engine heights, ensuring a proper fit across different configurations.
Models: 2017-Up M8 Harley-Davidson
S&S Quickee Pushrods are specifically engineered for Harley-Davidson M8 models manufactured from 2017 onwards, providing a direct and effective upgrade for these modern engines.
The adjustable nature of these pushrods is crucial for M8 engines, accommodating variations in manufacturing tolerances and aftermarket components like different camshafts and tappets.
Installation on M8 models requires 1984-99 style pushrod covers to gain access to the adjuster screws, ensuring proper adjustment and valve train functionality.
The locknut feature prevents unwanted movement after adjustment, maintaining optimal valve lash for consistent performance and reliability. These pushrods enhance the M8 platform.
Evolution Motors (93-5120)
S&S Quickee Pushrods (part number 93-5120) are a popular choice for upgrading Harley-Davidson Evolution motors, offering simplified adjustment and improved valve train performance.
The key benefit for Evolution engines is the ease of installation; the threaded adjuster design allows the adjuster to slide into the pushrod body once the threads disengage, eliminating the need for rocker cover removal in many cases.
This feature significantly reduces installation time and complexity. Once adjusted, the locknut securely maintains the desired valve lash, ensuring consistent engine operation.
These pushrods accommodate various tappets and cam base circles, providing a versatile solution for modified or stock Evolution engines.
Shovelhead Applications
S&S Quickee Pushrods offer a significant upgrade for Harley-Davidson Shovelhead engines, addressing the challenges of traditional pushrod adjustment. The innovative design simplifies the process, enhancing both performance and reliability.
Featuring a threaded adjuster that disengages for easy insertion, these pushrods streamline installation, reducing downtime and labor. Once positioned, the adjuster allows for precise valve lash setting.
The integrated locknut then secures the adjustment, preventing unwanted movement and maintaining optimal valve train geometry.
Compatibility with various Shovelhead configurations makes them a versatile choice for both stock and modified engines.
Installation Process
Installing S&S Quickee Pushrods involves gathering necessary tools, potentially removing rocker covers, carefully inserting the pushrods, and then meticulously adjusting them for optimal valve train function.
Proper execution ensures peak engine performance and longevity.
Tools Required for Installation
Successfully installing S&S Quickee Pushrods demands a specific set of tools to ensure a smooth and accurate process. Essential items include a quality wrench set, specifically for the locknuts, and potentially socket wrenches depending on your motorcycle’s setup.
A pushrod installation tool can be incredibly helpful, though not always mandatory. Torque wrenches are crucial for tightening components to the manufacturer’s specifications, preventing damage. Feeler gauges are needed for precise valve lash adjustment;
Depending on the model, you might also require rocker cover gaskets and appropriate wrenches for their removal and reinstallation. Always consult your Harley-Davidson service manual for specific torque values and tool recommendations.
Removing Rocker Covers (if necessary)
For many installations, particularly on models requiring access to the pushrod adjusters, removing the rocker covers is a necessary first step. Carefully disconnect any wiring or components attached to the covers before proceeding. Use the appropriate wrenches or sockets to loosen and remove the cover bolts, storing them safely;
Gently pry the rocker covers loose, being mindful not to damage the gaskets. Inspect the gaskets for wear and tear; replacement is recommended for a proper seal upon reinstallation.
Clean the mating surfaces thoroughly to ensure a clean and secure fit; Remember that 1984-99 style pushrod covers are required for access to the Quickee Adjustable Pushrod adjusters in some big twins.
Inserting the Pushrod
With the rocker cover removed (if applicable), carefully insert the S&S Quickee Pushrod into the pushrod tube, guiding it through the cylinder head and into the lifter. The revolutionary design allows for quicker installation due to the threaded adjuster.
Ensure the adjuster end is positioned towards the rocker arm. Begin threading the adjuster screw into the pushrod until the threads disengage, allowing the adjuster to slide freely within the pushrod body.
This disengagement is key to easy installation. Double-check that the pushrod is seated correctly in both the lifter and rocker arm before proceeding to the adjustment stage.
Adjusting the Pushrod
With the pushrod fully inserted, begin adjusting the length by turning the adjuster screw. Rotate the adjuster until a slight preload is achieved – you should feel a minimal amount of resistance when rotating the rocker arm.
Accommodate tappets and cam base circles by carefully monitoring the rocker arm movement. Ensure the adjuster threads are fully disengaged during initial insertion for smooth operation.
Once the desired preload is set, securely tighten the locknut against the adjuster body to prevent unwanted movement. Proper adjustment is crucial for optimal valve train performance and engine longevity.
Adjustment Techniques
Precise adjustment accounts for tappets, cam base circles, and engine height, ensuring optimal valve train geometry; Careful monitoring and secure locknut tightening are essential for peak performance.
Accommodating Tappets and Cam Base Circles
S&S Quickee Pushrods are specifically designed with adjustability to accommodate the variations found in tappets and cam base circles across different Harley-Davidson engines. This adaptability is a key feature, eliminating the need for multiple pushrod lengths.
The threaded adjuster allows for fine-tuning to ensure proper valve lash, regardless of tappet diameter or the specific cam profile’s base circle. This is crucial for maintaining optimal valve train geometry and preventing premature wear.
Proper adjustment ensures quiet valve operation and maximizes engine performance, making the Quickee Pushrods a versatile solution for a wide range of builds and modifications.
Engine Height Considerations
S&S Quickee Pushrods inherently address engine height variations during installation and adjustment. Modifications like lift kits or aftermarket cylinder heads can alter engine height, impacting valve train geometry and requiring precise pushrod length adjustments.
The Quickee Pushrods’ adjustable design allows technicians to compensate for these height changes, ensuring correct valve lash and optimal performance. This eliminates the guesswork associated with selecting pre-determined pushrod lengths.
Accurate adjustment, considering engine height, is vital for preventing valve float, maintaining proper valve timing, and maximizing engine power output, making these pushrods a valuable upgrade.
Ensuring Proper Adjustment
Proper adjustment of S&S Quickee Pushrods is crucial for optimal engine performance and longevity. Begin by rotating the engine to locate top dead center (TDC) on the compression stroke for the cylinder being adjusted.
Depress the plunger on the Quickee adjuster until it bottoms out, then slowly turn the adjuster until zero lash is achieved – the point where there’s no play in the valve train.
From zero lash, typically turn the adjuster 1/2 to 3/4 of a turn for proper valve lash, securing the locknut to prevent movement and maintain the desired adjustment.
Pushrod Cover Considerations
Pushrod cover access is vital for adjusting Quickee Pushrods; 1984-99 style covers are required for 2007-12 big twins, ensuring convenient adjuster access.
Compatibility with existing covers should be verified before installation to guarantee proper fitment and functionality during valve train adjustments.
1984-99 Style Pushrod Covers for Access
Utilizing 1984-99 style pushrod covers is crucial when working with S&S Quickee Adjustable Pushrods, particularly on 2007-2012 Harley-Davidson big twin models. These covers are specifically designed with an access port that allows direct engagement with the pushrod adjusters.
Without this access, adjusting the pushrods becomes significantly more difficult, potentially requiring complete rocker cover removal. The design facilitates quick and easy adjustments without extensive disassembly, saving valuable time and effort during maintenance or performance tuning.
Ensure the chosen covers provide unobstructed access to the adjuster screws for optimal usability and efficient valve train setup.
Compatibility with Existing Covers
Determining compatibility with existing pushrod covers is essential before installing S&S Quickee Adjustable Pushrods. While many stock covers can be used, access to the adjuster screws may be limited or impossible without modification.
Specifically, models from 2007-2012 big twins generally require the 1984-99 style covers for proper access. Carefully assess the opening in your current covers; if it doesn’t allow a wrench or screwdriver to reach the adjuster, upgrading is necessary.
Prioritizing accessibility ensures straightforward adjustments and prevents unnecessary complications during installation and maintenance.
Troubleshooting Common Issues
Common issues with S&S Quickee Pushrods include difficulty disengaging threads, locknut securing problems, and incorrect pushrod length selection. Careful attention to detail resolves these.
Ensure proper thread engagement and locknut tightening. Verify pushrod length before final adjustment to avoid valve train issues.
Difficulty Disengaging Threads
Encountering resistance when attempting to disengage the threads of the S&S Quickee Pushrod adjuster is a common issue during installation. This typically occurs if the adjuster screw is not fully threaded into the pushrod body initially.
To resolve this, ensure the adjuster is screwed in completely before attempting to slide it into position. Applying gentle, consistent pressure while rotating the adjuster can also help overcome initial resistance. Avoid excessive force, as this could damage the threads.
If the threads remain stubborn, a small amount of penetrating oil can be applied to aid in disengagement. Always clean the adjuster thoroughly before final installation to prevent debris from interfering with the locking mechanism.
Locknut Not Securing Properly
A primary function of the S&S Quickee Pushrod is the locknut’s ability to secure the adjuster after proper valve lash is achieved. If the locknut doesn’t tighten fully, it indicates a potential issue with the adjuster’s positioning or thread integrity.
Verify the adjuster screw is fully seated and hasn’t rotated during locknut tightening. Ensure the locknut threads are clean and free of debris. If the problem persists, carefully inspect the threads on both the adjuster and locknut for any damage.
Replacing either component may be necessary to restore proper function and prevent unwanted adjuster movement, maintaining accurate valve train geometry.
Incorrect Pushrod Length
Utilizing the wrong pushrod length can lead to significant valve train issues, including improper valve operation and potential engine damage. If, after adjustment, the pushrod feels excessively loose or requires maximum thread extension, an incorrect length is suspected.
Confirm you’ve selected the correct pushrod length for your specific engine model and camshaft specifications. Measure the installed pushrod length against factory recommendations or consult with a qualified mechanic.
Using an incorrect length compromises valve train geometry, impacting performance and reliability; therefore, accurate pushrod length selection is crucial for optimal engine function.
Maintenance and Inspection
Regularly inspect the S&S Quickee pushrod locknuts for tightness to prevent adjuster movement. Check for any signs of wear or damage during routine valve train inspections.
Regular Inspection of Locknuts
Consistent locknut checks are paramount for maintaining the precise valve lash settings achieved with S&S Quickee Pushrods. These locknuts prevent unwanted adjuster movement, ensuring optimal engine performance and preventing potential valve train issues.
During each routine maintenance interval, visually inspect each locknut for any signs of loosening or damage. A properly secured locknut will exhibit no play and remain firmly tightened against the adjuster.
If any looseness is detected, carefully re-torque the locknut to the manufacturer’s specifications. Ignoring this crucial step could lead to valve train noise, reduced performance, or even engine damage over time. Prioritize locknut integrity!
Checking for Wear and Tear
Periodic inspection for wear and tear on S&S Quickee Pushrods is vital for long-term engine reliability. Examine the pushrod bodies for any signs of bending, cracking, or corrosion, which could compromise their structural integrity.
Pay close attention to the threaded adjuster and locknut interfaces, looking for stripped threads or deformation. Smooth operation of the adjuster is crucial; any binding or resistance indicates potential issues.
Also, inspect the pushrod ends for excessive wear where they contact the tappets and rocker arms. Replace any pushrods exhibiting significant wear to prevent valve train damage and maintain optimal performance.
Resources and Support
Numerous online resources assist with S&S Quickee Pushrod installation and adjustment. Gilstrap Garage offers detailed YouTube tutorials, while Moonshine Harley-Davidson and Speeds Performance Plus provide informative details.
Gilstrap Garage YouTube Tutorials
Gilstrap Garage provides comprehensive video guidance for installing and adjusting S&S Quickee Pushrods on Harley-Davidson motorcycles. These tutorials offer a visual, step-by-step approach, making the process accessible for both experienced mechanics and DIY enthusiasts.
The unedited and extended videos are available through their Patreon account, offering even more in-depth coverage of the installation procedure. These resources demonstrate proper techniques for accommodating tappets, cam base circles, and engine height, ensuring accurate valve train adjustment.
Viewers can access these valuable tutorials at https://gilstrapgarage.bigcartel.com, simplifying the Quickee Pushrod installation experience.
Moonshine Harley-Davidson Information
Moonshine Harley-Davidson offers S&S Quickee Adjustable Pushrods specifically designed for 2017-Up M8 models. A key feature highlighted is the locknut, which securely prevents the adjuster from moving once the pushrod is properly installed and adjusted, maintaining precise valve lash.
These pushrods are engineered to accommodate various tappets and cam base circle diameters, as well as differing engine heights, ensuring compatibility and optimal performance across a range of Harley-Davidson configurations.
For access to the adjusters, 1984-99 style pushrod covers are required on 2007-12 big twins, a detail to consider during installation.
Speeds Performance Plus Details
Speeds Performance Plus provides S&S Quickee Pushrods, emphasizing their revolutionary design for quicker and easier installation. A standout feature is the threaded adjuster, which screws into the pushrod until the threads disengage, allowing the adjuster to effortlessly slide into position.
This innovative mechanism simplifies both installation and removal processes, saving time and reducing complexity during valve train maintenance.
These adjustable pushrods, available as part number 93-5123, are designed for Shovelhead applications, offering a convenient upgrade for classic Harley-Davidson motorcycles.
Safety Precautions
Always allow the engine to cool completely before installing or adjusting S&S Quickee Pushrods to prevent burns.
Ensure proper torque specifications are followed when tightening locknuts to maintain secure valve train operation and prevent component failure.
Engine Cool-Down Before Installation
Prioritizing safety is paramount when working on any engine component, and S&S Quickee Pushrod installation is no exception. Allowing the engine to cool down completely before commencing work is absolutely crucial. A hot engine presents a significant burn hazard, potentially causing severe injury.
The engine’s metal surfaces, including the cylinder heads and rocker boxes, will retain substantial heat even after shutdown. Wait until these components are cool to the touch before attempting to remove rocker covers or manipulate any valve train parts. This precaution minimizes the risk of accidental burns and ensures a safer working environment. Patience is key to a successful and injury-free installation.
Proper Torque Specifications
Adhering to precise torque specifications is critical during S&S Quickee Pushrod installation to guarantee optimal performance and prevent potential damage. Incorrectly torqued components can lead to valve train issues, oil leaks, or even catastrophic engine failure.
Consult your Harley-Davidson service manual for the specific torque values applicable to your engine model and year. Pay close attention to the recommended torque for rocker box bolts, locknuts on the pushrods, and any related hardware. Utilize a calibrated torque wrench to ensure accurate tightening. Avoid over-tightening, as this can strip threads or distort components.
Advanced Considerations
Pushrod adjustment significantly impacts valve train geometry and overall engine performance. Precise adjustments optimize valve lift and duration, maximizing power output and efficiency.
Understanding these implications allows for fine-tuning, catering to specific riding styles and performance goals, ultimately enhancing the Harley-Davidson experience.
Performance Implications of Pushrod Adjustment
Proper pushrod adjustment is crucial for maximizing engine performance. Incorrect adjustment can lead to reduced valve lift, impacting cylinder filling and combustion efficiency, ultimately diminishing horsepower and torque.
Optimizing pushrod length ensures the cam lobe is actuating the valve at its intended rate, delivering peak performance. S&S Quickee Pushrods allow for precise adjustments to accommodate variations in tappets, cam base circles, and engine height.
Fine-tuning can unlock hidden power, improve throttle response, and enhance overall rideability. Conversely, improper adjustment can cause valve float, leading to potential engine damage. Therefore, meticulous attention to detail during the adjustment process is paramount for achieving optimal results.
Impact on Valve Train Geometry
Valve train geometry is fundamentally affected by pushrod adjustment. Accurate adjustment ensures the rocker arm pivots correctly on the valve stem, maintaining optimal contact and preventing premature wear. S&S Quickee Pushrods facilitate precise adjustments to correct any geometric imbalances.
Misalignment can induce side loading on valve guides and stems, leading to reduced valve life and potential valve failure. Properly adjusted pushrods maintain the correct rocker arm angle, maximizing valve lift and ensuring efficient valve closure.
Maintaining correct geometry is vital for consistent performance and engine longevity, especially in high-performance applications. The adjustability of these pushrods allows for compensation of manufacturing tolerances and wear, optimizing the entire valve train system.
