As the Outlaws retreated into their Ontario stronghold, the Angels began consolidating their activities and expanding, moving into port cities Halifax, Nova Scotia and Vancouver, British Columbia.
This pact led to a situation where the Outlaws challenged the supremacy of the Hells Angels influence in Quebec through access to the Montreal chapter of Satan's Choice.
This led the Montreal chapter and their Outlaw allies into open conflict with the Hells Angels-backed Popeye Moto Club, resulting in a number of casualties on both sides in what would come to be known as the Satan's Choice-Popeyes War.
On 25 April 1978, Denis "Le Cure" Kennedy and another Hells Angel entered the Outlaw clubhouse at 144 Rue Saint-Ferdinand and went on a shooting rampage.
On 27 April 1978, Kennedy shot and badly wounded an Outlaw, François Poliseno, and his girlfriend, Suzanne Harvey, while the two were drinking at the Industrial Brasserie bar.
[3] Witnesses described the gunman who shot Poliseno and Harvey as leaving in a green car, which the police found parked outside of the Angels' clubhouse.
Hells Angels members Louis "Ti-Oui" Lapierre and Bruno Coulombe were also injured during the Le Tourbillion massacre.
[11] On November 10, Yves "Apache" Trudeau shot Brian Powers, former president of the Outlaws Motorcycle Club, at his home in West Montreal.
On November 25, 1978, Montreal Police killed Jean-Marc Patenaude, a member of the Outlaws, who was guarding the body of "Ziggy" Wiseman, at the "King of massage parlors'.
[12] On March 29, 1979, Yves "Apache" Trudeau destroyed the car of Roland Dutemple, an Outlaws informant, with explosives in Longueuil, Quebec.
On April 3 of the same year Yves Trudeau kills Robert Labelle, a clothing importer, narcotics trafficker and the former president of the Huns motorcycle club, who had "patched-over" to the Outlaws, at his home in Fabreville, Quebec.
This was in marked contrast to the Montreal South chapter, which was headed by Réjean "Zig Zag" Lessard, which consisted of men who joined the Angels after 1977 and were more disciplined.
When Ryan learned about the kidnapping plot, he informed the Hells Angels that they either liquidate those involved or be cut off from the cocaine that he sold them.
In September 1983 Yves Buteau, along with his friend and fellow Hells Angels MC member Rene Lamoureaux, were at Le Petit Bourg bar, which was located in the suburb of Longueuil, Quebec.
Gino Goudreau, a 22-year-old narcotics dealer, brother to an Outlaws MC member in Quebec, was waiting outside the bar on his bike, along with his girlfriend.
[14] On 17 July 1983, Mario Parente happened to see two Hells Angels from Montreal, Michel "Jinx" Genest and Jean-Marc Nadeau, on the bus to Vancouver to attend a ceremony, while he was riding his bike through Northern Ontario.
[15] Enraged, Parente, and other Outlaws with him, proceeded to shoot up the bus when it stopped at the Mr. Mugs coffee and doughnut shop in Wawa, in an attempt to kill the two Hells Angels.
[16] Through no one was killed, the Wawa incident showed how strongly Parente felt about Hells Angels moving into Ontario, which was considered to be Outlaws territory since 1977.
It is estimated that there were over 2,000 supporters and 150 members of the Hells Angels from Canada, the United States, England and elsewhere, who rode in procession from Sorel to Drummondville where he was buried, a journey covering a distance of approximately 40 miles.
In September of the same year, Claude Meunier, the leader of the Outlaws Motorcycle Club, was assassinated when he was struck multiple times by a man firing from a moving automobile in the Côte-Saint-Paul district of Montreal.
In 1991, on February 20, Darquis Leblanc, a former member of the Outlaws Motorcycle Club who became an associate of the Hells Angels, was assassinated along with his right-hand man and brother-in-law, Yvan Martel.
Six members of the Outlaws were arrested following Operation Satellites was undertaken 2 years previously; the gang was selling 1 to 2 kg of cocaine and crack per month, in addition to the drug trafficking and charges of gangsterism, the leader of the Outlaws in Quebec is charged with procuring, he allegedly used the income from the work of his prostitutes to buy drugs.