Lance Stroll and Sebastian Vettel completed sixth and eighth in Singapore, and the German driver adopted up with sixth place in Japan.
McCullough says it was not by probability the group was in the best place to profit in races the place huge factors had been on provide as a number of the common frontrunners tripped up.
“We have had a steady aggressive improvement from the beginning of the yr,” he instructed Autosport.
“And we have been bringing bits to the automobile race-on-race, and the bits have been working, the automobile has been going sooner, and we have been understanding the bits.
“The blokes within the improvement perform have been doing that, and it makes our job on the observe simpler with a sooner automobile.
“On the similar time up to now we’ve had impeccable reliability as effectively, all the time there racing.
“Whether or not you might be solely scoring one level for 10th place, like Lance did many, many occasions, or whether or not you are beginning to rating the marginally greater factors when they’re on provide, it’s about placing your self there as better of the remainder, like we noticed different individuals doing initially of the yr. It is good that we’re capable of do it a bit ourselves now.
“The drivers did a wonderful job, we have squeezed essentially the most out of it, each races had been in troublesome situations, so it’s very satisfying.”

Sebastian Vettel, Aston Martin AMR22
Picture by: Sam Bloxham / Motorsport Images
The 2 Asian occasions noticed the group transfer forward of Haas and AlphaTauri within the constructors’ championship, and shut in to seven factors behind sixth-placed Alfa Romeo.
“These two races, Singapore and Japan, have yielded the nice factors for us, but in addition relative to our foremost competitors within the constructors’,” mentioned McCullough. “And that is what’s key. Nonetheless 4 races to go. However we begin these in a significantly better place relative to Haas, AlphaTauri and even now Alfa Romeo.
“McLaren and Alpine are too far forward, and combating for fourth and fifth. However for sixth backwards, we have all the time felt there was a chance to combat. And in the meanwhile we’re in that combat.
“There’s nonetheless a protracted solution to go. But it surely’s good to be within the combat and have a automobile that may weekend in, weekend out and at very totally different circuits all the time be in competition.”
Whereas the principle focus of technical director Dan Fallows and the opposite new R&D recruits has been on 2023, McCullough says they’ve additionally had an affect on this season’s AMR22.
“Clearly we have just a few new individuals be a part of, they usually’ve had an actual enter into this yr’s automobile already,” he famous. “There’s some actual strong route there.
“I believe the group’s working effectively collectively after an preliminary troublesome begin. We had two totally different routes within the improvement section, however homed in on a route we wished to work on, after which we had been simply working away at it.
“It’s rewarding for everybody as a result of for the 2022 automobile the regulation change was huge, and for therefore many individuals at so many ranges throughout the whole group, it has been an enormous problem.
“And for that to be on observe to beginning to rating factors and present the indicators of enchancment from the beginning of the yr to now may be very satisfying for everyone.”
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