Returning Wales full-back Tom Prydie bagged a hat-trick of tries against the assembled Romanian side, who fought hard for three scores of their own.
The Rodney Parade region had a bonus-point in the bag before half-time thanks to tries from Nic Cudd, Ross Wardle, Hallam Amos, Jonathan Evans and Prydie. And they continued the trend in the second period with another five tries to go one point clear of Newcastle Falcons, who they face in the next round of European action.
It was the Wolves who drew first blood after just eight minutes.
The Dragons only had themselves to blame as they conceded a cheap turnover on the half-way line before outside-half Florin Vlaicu pinned them back them back to within five metres of their line with a clever cross-field kick.
Lyn Jones’ men secured the resulting lineout, but scrum-half Jonathan Evans had his kick charged down and Mototolea rose highest in-goal to to score, with Vlaicu adding the conversion. But the hosts hit back immediately, Jason Tovey got his back-line moving before Cudd squirmed through the scrambling defence.
The early scare breathed life into the Dragons and they took the lead moments later.
Lewis Evans shipped a neat offload to allow Tovey to give Wardle an easy run-in at the corner. Geraint Rhys Jones converted to make it 12-7.
The floodgates opened after that and Hallam Amos was next to finish a sweeping cross-field move, before Jonathan Evans broke-free from the defence on halfway and scurried under the posts to secure the winning bonus-point.
Prydie added a quick-fire double before the half-time whistle as the hosts found space out-wide to give the Rodney Parade region a 38-7 lead.
They were well on their way to breaking the record for their largest margin of victory, which they set at Rodney Parade against Bucharest back in 2006.
And their bid was boosted when former Wales hooker T. Rhys Thomas was shunted over from close-range after he found James Thomas at a lineout.
And they were not done there. The pack of Wolves split under heavy pressure from the free-flowing Dragons and Prydie found a pocket of space to slip through for his hat-trick score.
But their was life in the old dog yet. Replacement scrum-half Florin Surugiu kicked ahead from 50 metres out and collected to give Bucharest their second try of the night.
Parity was restored moments later when Andrew Coombs latched onto Luc Jones’ pop pass to crash over at the corner and give the Dragons a 57-12 advantage.
Ionut Botezatu got a third score for the Wolves, but Geraint Rhys Jones and and Luc Jones put the gloss on the win with two late scores to claim a 69-17 victory.
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