When did the Harley Davidson shovelhead engine come out?
– Max Schaaf’s Harley-Davidson Panhead. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. The Shovelhead was designed in part to produce more power and higher performance to make up for the increased weight of new Harley-Davidson motorcycle models.
Is the EVO engine good for Harley Davidson?
As others have said the EVO engine was very durable…it was the “revival” of H-D as a company using the funds from AMF.
What are the cylinder heads on a 1986 evolution 883?
The cylinder heads you’ll find on 1986-1990 models are: 49.5cc chamber, 1.585″ diameter intake valves, 1.350″ diameter exhaust valves This design provided a squish band over the stock flat top piston, the only year that an Evolution 883 had a squish band. As a result the valves start out closer to the pistons and closer to each other.
What kind of engine does a Harley Davidson have?
New Harley-Davidson engine designs arrive about every 15 years. Since 1936 engine designs released by Harley represented ic forms that the Big Twin has taken: Knucklehead, Panhead, Shovelhead, Evolution, Twin Cam, and the very large single-cam engines. A Harley engine is a two-cylinder piston engine.
Why was the EVO engine important to Harley Davidson?
Many old timers give AMF a bad rap, but the $$$’s they plowed into the EVO development paid big dividends later, saving the H-D company from “extinction” and eventually it’s success enabled the H-D family to “buy back” the company and field a whole generation of engine designs that exist today…
Where to get parts for a Harley Davidson Evo?
Get a shop manual for your year and model of evolution and read it. For now go to Bandit.com and follow their directions to register your EVO for their parts book. This will get you into looking at copies of Harley parts books for your year. Go to engine and oil pump and you will find the tappet screen and where it is.
The newly designed Harley-Davidson Evo engine relied on aluminum heads and cylinders – as opposed to the heavy cast iron parts of the Shovelhead (their previous Big Twin bike V-Twin engine) and other predecessors, such as the Sportsters’ Ironhead engine, led to a light weight engine with improved air-cooling efficiency.
How many cams are in a Harley Davidson Evo?
Harley’s decision to stick with the semi-unit construction of previous Sportsters resulted in a distinctly configured valve train. Unlike most of today’s motorcycle engines, the Sportster Evo uses just one cam per each overhead valve, resulting in four independent gear driven camshafts.
The term “Shovelhead” refers to a Harley-Davidson Big-Twin engine that was produced from circa 1966 to 1984. The first generation Shovelhead from 1966 through 1969 was actually the same engine as the Panhead engine that it replaced, except for the updated cylinder heads.
How do you set Shovelhead points on a Harley Davidson?
Place your thumb over the front-cylinder spark plug hole and kick the engine over slowly with the kick starter. Stop when you feel pressure on your thumb. This indicates that the front piston is approaching TDC (top dead center) of the compression stroke. 3.
Do you need to set the timing on Shovelhead points?
While the later capacitive-discharge electronic ignition systems produce more top-end horsepower, the original points system is simple and reliable. One of its advantages is that even a neophyte can easily set the timing statically while the engine is not running.
The term “Shovelhead” refers to a Harley-Davidson Big-Twin engine that was produced from circa 1966 to 1984. The first generation Shovelhead from 1966 through 1969 was actually the same engine as the Panhead engine that it replaced, except for the updated cylinder heads.
When did the Low Rider Shovelhead come out?
In 1977 the Low Rider appeared, another sales hit. 1978 Harley-Davidson 74-inch FLH Shovelhead. The bagger types (those who liked the King of the Highway touring package, with batwing fairing and saddlebags) still had their FLHs, but now the market was expanding. Slowly. Too slowly, for the likes of AMF.
While the later capacitive-discharge electronic ignition systems produce more top-end horsepower, the original points system is simple and reliable. One of its advantages is that even a neophyte can easily set the timing statically while the engine is not running.
What’s the difference between a Shovelhead and a V-twin?
The biggest difference was that the engine/transmission package was rubber-mounted, taking away the dreaded V-twin vibes. Behind the frame-mounted fairing an interesting steering arrangement was hidden, with the steering head actually behind the fork tubes, which created a relatively agile 750-pound motorcycle.
Where are the timing plugs on a Shovelhead?
Remove the spark plugs, the timing port plug (on the left side of the engine case between the cylinders) and the timing cover (on the right side of the engine case). Place your thumb over the front-cylinder spark plug hole and kick the engine over slowly with the kick starter. Stop when you feel pressure on your thumb.
What does the advance mark on a Shovelhead point mean?
This indicates that the front piston is approaching TDC (top dead center) of the compression stroke. Look in the timing port and continue to slowly kick over the engine until the advance mark (vertical line) is centered in the port. Connect the red lead of the test lamp to the negative coil terminal, and the black lead to a good ground.
How to build a high performance HD Shovelhead engine?
Use main fuel nozzle per figure 0. If the float bowl has been for accelerator pump bypass, the bypass must be closed off. Exhaust pipes and intake manifold will have to be modified as a result of the lower cylinder heads. The cylinder head bolts may have to be shortened by 1/8″ to prevent them from bottoming.
How many jets are in a Shovelhead engine?
Use 185 main jet and a 100 idle jet. Use main fuel nozzle per figure 0. If the float bowl has been for accelerator pump bypass, the bypass must be closed off. Exhaust pipes and intake manifold will have to be modified as a result of the lower cylinder heads.
What kind of carburetor does a Shovelhead use?
Carburetor for Shovelheads. They came with a Tillotson one year, they came with a DC Linkert one year, then they went to the Bendix. Bendix was the most prolific. I forget what year it was, but they went to the Butterfly can and then to the CV.
Where does the oil go in a Shovelhead?
They featured internal drain back through the cases– I mean, through the rocket boxes, through the heads, through the cylinders, into the lower end. It was fed via outside oil line up through the rocker boxes through each rocker arm shaft all the way forward.
What kind of brake fluid does a Harley Shovelhead use?
Models 1975 and later use Dot 5 brake fluid. The front fork oil capacity varied over the 18 years the shovelhead was in production. Instructions for new front forks include the amount of oil required. Models from 1966 to 1969 use 6.5 oz. of fork oil.
What kind of seat does a Harley shovel head have?
Also new custom H handlebars, new custom seat to ride solo or dual. Titled clear as a 1973 Harley Shovel head. This bike was a complete custom build by Asphalt Customs in San Francisco and I don’t have all the specs on the build.
What’s the value of a 1976 Harley Shovelhead?
1976 Harley-Davidson Shovelhead , This 1976 harley davidson shovelhead 1200 runs good, in excellent shape, new paint job, new tanks, needs a little TLC must sell because of being disabled, this bike is worth a lot more. If interested and want to know anything please call (989)-464-1476. Matt. $4,000.00 9894641476
What makes a Harley Davidson shovelhead engine different?
When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting, and stronger valves and pistons. This gave the new engine an extra 10 horsepower, along with a different appearance.
How to adjust pushrods on a Shovelhead Harley Davidson?
Once you have adjusted pushrods to their shortest length, rotate the engine by placing the motorcycle on a jack and turning the rear wheel with the transmission in fourth gear, for ease of turning. Rotate the engine until at least one lobe of the cam sits at the lowest lift point.
When did the Harley Shovelhead trike come out?
One of a Kind! 1976 Shovelhead TRIKE! Manufactured from 1966-1985 the Shovelhead is one of those most iconic engines ever made by HD. This is a full custom trike and gets WAY more attention then any bike in our garage (other then our custom 99 Springer with on board air ride suspension). Run’s like a champ and sounds like NO OTHER!
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. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting,…
How did the Panhead engine get the name SHOVELHEAD?
In fact the Panhead and Shovelhead are so similar that some Panhead owners upgraded their engines to turn them into Shovelheads simply by changing to Shovelhead cylinders, pistons and heads. These hybrids are known as Panshovels. The name Shovelhead comes from the shovel shape of the rocker boxes that replaced the pan shaped covers of the Panhead.
What kind of warranty does Shovelhead 96 c.i.have?
Traditional Finish Shovelhead 96 C.I. shovelhead engine carries a 6 month, 6,000 mile limited warranty from original date of purchase. For additional warranty details see owners manual (included with purchase and/or available online @ www.ultimaproducts.com). *NOT EPA COMPLIANT *NOTE: INTAKE MANIFOLD & CARBURETOR NOT INCLUDED. SEE SHOVELHEAD
When did the Shovelhead engine get an alternator?
The Shovelhead engine got a major improvement in 1970 with the switch from a generator to an alternator to provide really adequate electrical power. This meant that the old bottom end taken straight from the Panhead with its slab sided lower engine casing was replaced with a nose-cone shaped casing.
Where did the Harley Davidson shovelhead engine come from?
One of these was a drag racing competitor named Joe Smith from West Covina in California who formed Joe Smith and Son Racing Team. Joe and his son built a drag bike with a somewhat modded Harley-Davidson Shovelhead engine and took it racing at Baker’s Field in 1971.
Traditional Finish Shovelhead 96 C.I. shovelhead engine carries a 6 month, 6,000 mile limited warranty from original date of purchase. For additional warranty details see owners manual (included with purchase and/or available online @ www.ultimaproducts.com). *NOT EPA COMPLIANT *NOTE: INTAKE MANIFOLD & CARBURETOR NOT INCLUDED. SEE SHOVELHEAD
Is the Panhead engine the same as the Shovelhead engine?
In fact the Panhead and Shovelhead are so similar that some Panhead owners upgraded their engines to turn them into Shovelheads simply by changing to Shovelhead cylinders, pistons and heads. These hybrids are known as Panshovels.
Why does my Shovelhead have an exhaust leak?
Shovelheads are prone to exhaust leaks. The pipes don’t want to stay on the heads. Threads strip and helicoils don’t last. Our 3-Bolt Exhaust Flange kits provides a permanent solution to this problem.
Why do we need to replace valve springs on Shovelheads?
Our replacement valve springs will reduce friction; Dual Plugging will eliminate detonation you may not even be aware of; our Hydraulic Lifter kit will improve volumetric efficiency; and our Super Port Flow process will increase power. Shovelheads are prone to exhaust leaks.
What was the VIN on a 1972 Harley Davidson shovelhead?
1972 Harley-Davidson Shovelhead , NADA 1972 Harley-Davidson FX SUPER GLIDE SHOVEL HEAD 1207 VIN #2C38938H2 Clean & Clear Title Motor had only 15,252 Miles on it at time of rebuild so original Odometer is on the bike.
Where did the Harley Davidson shovel head bike come from?
As the story goes this bike was part of a large collection in Texas; where this 1972 Harley Davidson FLH Shovel Head to underwent a complete restoration.
Is there a way to rebuild a panhead engine?
Harley Engine Rebuilding, Panhead Engine Rebuilding PA., Knucklehead Engine Rebuilding, Iron Head Engines. S&S, Screaming Eagle, Cam Kits, Milwaukee 8 Kits, A lot of power for not a lot of money!
What kind of engine does a 1972 Harley have?
1972 Harley Police Special. Adjustable front forks, hand shift foot clutch, tons of chrome, stainless spokes, jet coat flat black exhaust, kick and electric. 8900 miles since engine and transmission were rebuilt. Have original Police speedo.