Shovelhead reliability upgrades. These years saw numerous problems with the bikes.

Shovelhead reliability upgrades Additionally, the break-in period for a Shovelhead is longer than that of an Evo, which can make maintenance more time-consuming. Mar 18, 2025 · Obviously, since you’re here, you know there are specific Shovelhead model years that you should avoid. $2200 up The prices vary so call or email me for a quote. Apr 28, 2023 · On the other hand, the Shovelhead engine, produced from 1966 to 1984, is named for its shovel-shaped rocker covers. While it introduced several improvements over the previous Panhead engine, it also came with a host of reliability issues that make certain model years less desirable for buyers and collectors. The Shovelhead era solidified Harley-Davidson’s reputation for innovation and quality. The Harley-Davidson Shovelhead engine, produced from 1966 to 1984, is a significant chapter in American motorcycle history. I've owned it for over 30 years and never once has it left me stranded by the side of the road where I had to truck it home. Each Super Stock crankcase is cast from 365-T6 aluminum alloy and reinforced to offer maximum strength, even . Riders appreciated the enhanced performance and reliability. ACM has the parts and expert advice you need. Aesthetics And Design Motorcycle enthusiasts often debate the aesthetics and design of Ironhead and Shovelhead engines. When Harley-Davidson introduced the Evolution engine in 1984, S&S focused its efforts on making performance parts for the new Evo V-twin. Sep 6, 2004 · I'm not exactly certain about what sort of exact pressure should show up in a stock Shovelhead with low compression pistons. Nothing is bought yet so any Information on performance would be great. We also have a wide selection of engines, exhaust, controls, handlebars, foot controls, floorboards and other trim and accent pieces to customize your ride. Speciality parts for vintage and custom motorcycles. Enjoy a beer and wrench on that shovelhead after it inevitably craps out for one reason or another. My plans for right now is to build the best performance 80 cubic motor I can but still have the most reliability I can get. The Shovelhead’s larger production numbers and continued popularity in the aftermarket ensure better availability of parts. I do know that they are listed at 7. Take a look in our webshop for beautiful parts for HD Shovelhead! Aug 20, 2019 · You could run Evo tappet blocks and the EV27 cam , it is more money but it straightens the pushrod angle up and adds slightly to reliability. By this time, Harley-Davidson had almost two decades to refine the Shovelhead design, making it more reliable and addressing many of the issues from earlier years. Don't fear the Shovelhead. Proudly engineered and manufactured on Canada’s West Coast. The company began by producing high-performance pushrods for flathead V-twin engines. The Knucklehead set the stage with its innovative design, the Panhead advanced reliability and comfort, and the Shovelhead pushed the boundaries of performance and efficiency. Discover all the types of upgrades available. Oct 14, 2010 · The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. While it is probably not possible to validate this claim, some of the ideas presented in the modification list are Twin Cam Tech Tip Download Tech Tip Articles Custom Engine Estimate Custom Engine Building Other Products and Services Catalog Request Speed And Science brings you premium performance parts for Harley-Davidson™ Shovelhead, PanShovel, Evolution and TwinCam motorcycles. This engine has a larger displacement than the Ironhead and offers improved performance and reliability. Lastly, owning specialized tools, like Snap-On torque adapters, simplifies maintenance tasks, allowing for proper adjustments on head bolts without risking damage. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting Jun 18, 2024 · These improvements made the Shovelhead more powerful and smoother to ride. Although the Shovelhead was last manufactured in 1984 (when the Evo/Blockhead engine replaced it), more than fifty years down the line, it remains highly sought after amongst seasoned riders who love to modify their bikes. These include the 1967, 1978, and 1983 models. The Shovelhead Engine: Key Features and Performance Following the Panhead, the Shovelhead engine was introduced in 1966 and produced until 1984. It’s also worth noting that the quality of the parts used in the engine can affect its reliability and maintenance needs. 5:1 compression ratio. But then I don't ride it like a maniac hellbent on tearing it up. Some engine builders even add modern upgrades and enhancements to either blueprint to enhance its performance and reliability! May 1, 2023 · Discover the difference between Ironhead and Shovelhead engines, two iconic Harley engines, as we explore their specs, performance, and impact on culture. The leader in performance motorcycle parts for Harley-Davidson® motorcycles and the powersports industry. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. Nov 16, 2023 · This is due in part to the fact that the Shovelhead has more parts and gaskets than the Evo. This article will explore the Shovelhead years to avoid, identifying key Jun 7, 2007 · If you follow the specs in the book and use good quality parts and have your machine work done properly, the Shovelhead is as reliable as any other motorcycle, Otherwise, it will leave you by the side of the road every time. Made in the USA. How to Increase the Longevity Jun 18, 2024 · Explore the Maintenance and Longevity of Panhead Vs Shovelhead motorcycles. The one between the full top-and-bottom Panhead engine (phased out in '66) and the Evolution engine (that sail into the sunset in '84 S&S Cycle was founded in 1958 by George Smith and Stanley Stankos in Blue Island, Illinois. I've ridden my '77 Shovel as far north as Maine, as far south as the Florida Keys and as far west as Nevada. Sep 11, 2024 · Harley-Davidson's Shovelhead engine bridged an important gap. The list of modifications has been attributed to the HD Engineering Group responsible for XR-750 development in the late 70's or early 80's. Learn about ease of repair, parts availability, expected lifespan, and reliability. Feb 2, 2025 · For those looking to own a reliable Shovelhead, ensure you search for units that have been properly refurbished with up-to-date electrical systems. Motor Parts For Harley-Davidson Shovelheads 1966-1984 Whether you're looking for bolt-on performance pieces like air cleaners, slip-on mufflers, full exhaust systems and fuel controllers. Weld and repair stripped spark plug $350 each Install all (4) new valve guides & hone to size $160 Replace valve seat (seat included) $150 Replace all valve guides and valve job $350 + Parts Weld Exhaust Hole $150. The heftier price tag is due to using OEM or aftermarket parts to replicate the original design and specs of the given engine. In 1990, S&S released its first complete V-twin engine, the 1200cc Shovelhead Explore the rise of the Harley-Davidson Shovelhead (1966-1984), the engine that powered factory customs, touring bikes, and the legendary FXR. Mar 9, 2023 · Maximize your Harley Davidson 1340 EVO performance upgrades with our comprehensive guide. Attention to valve adjustments and fluid changes ensures optimal performance. Mar 14, 2025 · Regular maintenance and upgrades improve Shovelhead Harley Davidson's reliability. It's a good mod for 80 and 81 Shovels that had some problems with tappet block oiling S & S V style long blocks feature chrome billet rocker covers and high flow Super Stock heads with a advanced chamber and port design for superior performance. Mar 18, 2025 · Feedback from users highlights the improved fit and performance, making these bearings a smart choice for enhancing engine reliability and efficiency in Harley motorcycles. Sep 5, 2022 · The Shovelhead engine has been the subject of mixed reviews since Harley Davidson first introduced it in 1966 to succeed their Panhead engine. However, the common issue of oil leaks suggests that while the engine had strong performance metrics, maintaining reliability required diligence from the owner. We supply custom Shovelhead parts for your Shovelhead Harley Davidson. Scroll down to get details on Ironhead Vs Shovelhead Engine. These years saw numerous problems with the bikes. I’ve revived my bike like 4 times and ended up rebuilding ground up as a chopper and learned tig welding in the process. 00 I also do complete motor rebuilds on Shovelhead models. These years are notorious for a variety of problems, including oiling, electrical, and starter issues. Jun 18, 2024 · Avoid Shovelhead models from 1978 and 1979 due to mechanical issues and reliability concerns. The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. Panhead parts are still available but can be more difficult to source, particularly for specific models or components. Avoid costly Harley-Davidson shovelhead engine mistakes! Discover the Shovelhead years to avoid of & make your Harley ownership a smooth ride. This S & S innovation increases performance while providing the dependability and reliability demanded by today's enthusiast. Best For: Harley motorcycle owners looking to upgrade their Shovelhead, Evolution, or Twin Cam Big Twin engines for improved performance and reliability. Discover its evolution and impact. Shovelhead Parts. afem 84 v66 qof 7opl6sm z6k zq uqde 1wjdb tghc