When did the Harley Shovelhead engine overheat?
A new blow came in 1974 when the first phase of the fuel crisis resulted in a decline in fuel quality and with the lowering of the octane rating of the fuel the Shovelhead engines with their higher compression ratios became prone to engine knock which in turn lead to overheating.
When was the last year the Shovelhead engine was made?
1984 was the last year of production for the Shovelhead engine. But it remains popular today and is common in custom bikes where the builder wants that retro look, sound and feel.
Why is there a Shovelhead for Harley Iron?
SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. It has been expanded to include more history of the Shovelhead years as well as other features to help spread the word of the best HD’s on the road.
Is the Shovelhead engine the same as the Knucklehead?
At its bottom end the Shovelhead engine design is the same as both the Knucklehead and Panhead that preceded it. Same V-twin layout, same single central camshaft working four push-rods to operate overhead valves.
When did the Harley Davidson shovelhead engine come out?
Harley-Davidson Shovelhead engine From Wikipedia, the free encyclopedia 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.
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.
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.
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.