Dora got off to a slow start against the winless Tigers, scoring a pair of first-half touchdowns for a 14-0 lead.
Dora finally took control in the third quarter, putting 10 points on the board. The Bulldogs iced the game with two more touchdowns in the fourth quarter.
Twilley scored on short runs of five and three yards while Petties got into the end zone on a pair of lengthy runs (30 and 31 yards).
Dora quarterback Steven Gosha added a sneak for a score and Jack Spradlin made a 25-yard field goal for the Bulldogs.
Jack Vick completed a 5-yard pass play to Evan Vick for West Blocton’s lone touchdown, which came in the third quarter.
West Blocton fumbled four times and lost all four.
The game was Dora’s first without head coach Johnny Wright who had heart bypass surgery on Monday. He is out indefinitely.
George Banks is the Bulldogs’ interim coach.
“I was proud of the guys. They worked hard in practice and applied it in the game this week,” Banks said. “We ran the ball well and were able to hit a few passes when we needed to.”
West Blocton (0-4) hosts Montevallo on Friday.
Dora is now 3-1 and travels to Muscle Shoals next week.
The game was originally scheduled as a home game but was moved to Muscle Shoals giving Dora just four home games this season.
The Bulldogs have won back-to-back games since falling to No. 1 Calera in Week 2. Dora also lost star running back DeMarcus Kirk for the season in the loss.