The British Touring Car Championship moves on to Snetteton in Norfolk for rounds seven, eight and nine.
Cammish leads Ingram at the front of the championship by just five points going into the races on Sunday.
This weekend is the first of the 2023 season to use the more recognisable touring car qualifying format of just one session of thirty minutes.
The track goes green, the Toyota Gazoo Racing cars lead the field out of the pit lane, closely followed by the Starline With One Motorsport Honda's.
Ash Sutton puts his Napa Racing Ford on pole to lead a Napa Racing top four after six minutes.
Stephan Jelley sets the first sub 2 minute time of the session in the ever dangerous BMW.
RED FLAG: Nic Halstead sheds his freshly replaced engine's oil at Corum corner, sending Dexter Patterson, Dan Lloyd, Colin Turkington and Adam Morgan spinning onto the grass, with Turkington and Patterson meeting the barrier.
After fifteen minutes, the red flag continues to be flown with a view to resuming the qualifying as soon as the cement dust that has been laid to combat the oil has been swept.
As the twenty minute mark on the delay hits, the engines fire back into life and the teams pull their cars back into the pit lane.
Will Powell locks up straight out of the pit lane and collects a splitter full of gravel.
RED FLAG: With seventeen minutes remaining, Dan Cammish's stranded Napa Racing UK Ford forces the second red flag of the session after a large impact with a barrier following a mistake that put him onto the grass.
After Cammish's car is cleared, the green flag flies for a third time in the session and the army of touring cars leaves the pits.
With thirteen minutes left on the clock, only Ash Sutton and Dan Rowbottom have true flying laps recorded.
Power Maxed Racing lost two laps in a row for track limit offences, a reminder for Aron Taylor-Smith and Andrew Watson.
Stephan Jelley throws his flying lap away with a harmless spin.
Taylor-Smith ventures too far over the track limits again, forcing him to the back of the field yet again.
Ash Sutton drifts his way to the provisional with the quickest lap of the weekend so far, 1:54.620.
Turkington trails the ford by 0.393 seconds followed by his WSR teammate Hill with a 0.433 difference to Sutton.
Ingram splits Sutton and Turkington with just three seconds of hybrid available to the 2022 Champion
With just one minute remaining, Bobby Thompson spins his CUPRA at the end of the Bentley straight and Hill has his third place time disallowed for track limits.
The chequered flag flies after a messy session. Ash Sutton comes out on top, with NAPA Racing UK's third pole of the year.