"So we still took our feet off when we probably should have got to the 400 mark," he said last night, before the Stags travel today.
His beef is with how his top-order batsmen failed to go on to post 120-130 runs despite providing a launching pad for Young and Bruce to forge a fourth-wicket record partnership in the competition as well as for CD.
"The batters who should have done well in the first two rounds didn't but they contributed significantly in that last game, so that's fantastic to see," said the South African coach.
That is not to say Malan doesn't appreciate the fact that anything above 300 puts the pressure straight back on the chasing team: "Psychologically they have the pressure from the scoreboard to score around six an over and when they don't do that the run rate starts creeping up very quickly."
With four more "big rounds" to come, he wanted his predominantly young troops to keep things in perspective for a playoff berth.
CD have test cricketer Doug Bracewell back in the line-up as well as fellow Black Caps seamer Ben Wheeler, who is returning from a lengthy injury layoff.
"Doug comes in for Indy [Indika Senarathne]," Malan said, while Wheeler replaces previous 12th man Jordie Barrett.
Seamer Andrew Mathieson is awaiting results from a back scan but the coach said his one-day campaign may be over, although it was imperative to do what was best for his welfare with seven more rounds of the Budget Rental Plunket Shield first-class matches to be played.
He lauded swing merchant Seth Rance, of Wairarapa, for using the new ball for a fantastic strike rate and Firebirds batsmen would pay to know he did a sterling job for CD in death bowling in their previous winning encounter at the Basin Reserve.
CD STAGS (from): William Young (c, Taranaki), Doug Bracewell, Tom Bruce (Taranaki) Seth Rance (Wairarapa), Jesse Ryder (Wairarapa), Dane Cleaver (wk, Manawatu), Bevan Small (Manawatu), Marty Kain (Nelson), Ben Smith (Wanganui), Blair Tickner (HB), Ben Weeler (Marlborough) George Worker (Manawatu).
Coach: Heinrich Malan.
WELLINGTON FIREBIRDS: Michael Papps (c), Matthew Pollard, Stephen Murdoch, Craig Cachopa, Tom Blundell (wk), Alecz Day, Luke Woodcock, Jeetan Patel, Anurag Verma, Brent Arnel, Matt McEwan, Dane Hutchinson.
Coach: Bruce Edgar.