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Spanish GP: Why McLaren need upgrades to the MCL33 to work

Assessing McLaren's form so far in 2018 and how they have performed versus Red Bull and Renault after their engine switch...

McLaren will bring their largest upgrade package of the season so far to this weekend's Spanish GP - and the former world champions are hoping it will lead to a significant performance upgrade after an underwhelming start to 2018.

The Woking-based team may sit fourth in the Constructors' Championship - and their 36 points after four races is their best start to a season since 2014 - but the MCL33's pace has left a lot to be desired, particularly in Qualifying, where neither Fernando Alonso nor Stoffel Vandoorne has broken into Q3 yet, with the pair in fact falling further away from the top-10 shootout as the season has progressed.

But the team are expected to bring a suite of new parts for their car to Barcelona, with the MCL33's upgrade package expected to be the most substantial of any car on the grid.

And reports on Tuesday suggested the upgrades will include a 'unique' nose design.

What are McLaren bringing to Barcelona?
The Spanish GP should see the true 2018 version of the MCL33 which team chiefs say will give a more accurate reflection of where they stand.

The late confirmation of the switch from Honda to Renault power for 2018 meant the team missed targets with their developments.

"We didn't turn up in Australia with the car we wanted because we were delayed for some reasons so a lot of parts and upgrades are on their way to hit the track," Eric Boullier, McLaren's racing director, said last month.

More from Spanish Gp 2018

"For logistical reasons it's very likely going to be in Barcelona and from that point we will see performance-wise where we are."

They should also benefit from a fuel upgrade which Renault expect to provide improved engine performance.

McLaren share the same fuel providers - BP/Castrol - as the works Renault team, unlike Red Bull who use ExxonMobil.

McLaren's 2018 performances

Qualifying result Gap to Q3 Race result Gap to podium
Australian GP
Fernando Alonso 11th 0.148s 5th 21.577s
Stoffel Vandoorne 12th 0.309s 9th 28.612s
Bahrain GP
Fernando Alonso 13th 0.203s 7th Lap down to leaders
Stoffel Vandoorne 14th 0.516s 8th Lap down to leaders
Chinese GP
Fernando Alonso 13th 0.262s 7th 21.002s
Stoffel Vandoorne 14th 0.535s 13th 39.736
Azerbaijan GP
Fernando Alonso 13th 0.537s 7th 6.907s
Stoffel Vandoorne 16th 0.130s off Q2 spot 9th 10.0128s

Where have McLaren been struggling?
Fundamentally the MCL33 has been lacking in downforce and straight-line speed, and this has been most apparent on Saturdays.

Comparing Q2 runs in the opening four races, McLaren have on average lapped over a second slower than the leading Red Bull, while they have been eight tenths down on the Renault works team.

McLaren are also yet to qualify within two seconds of a pole position time in 2018.

Fastest McLaren Q2 laps vs Red Bull & Renault lead car

McLaren Renault Red Bull
Australian GP Alonso: 1:23.692 Sainz: 1:23.061 Verstappen: 1:22.416
Bahrain GP Alonso: 1:30.212 Hulkenberg: 1:29.187 Ricciardo: 1:28.962
Chinese GP Alonso: 1:33.232 Hulkenberg: 1:32.494 Ricciardo: 1:32.688
Azerbaijan GP Alonso: 1:44.074 Hulkenberg: 1.43.232 Verstappen: 1:42.901
Average gap -0.809s -1.061s

And despite swapping the underperforming Honda engine for Renault power, the MCL33 has still been among the slowest cars through the speed traps.

McLaren Qualifying speed trap recordings

Speed Renault-powered car rank Gap to leading Renault-powered car Overall rank Gap to fastest car
Australian GP
Fernando Alonso 309.8kph 5th 2.7kph 19th 13.9kph
Stoffel Vandoorne 308.0kph 6th 4.5kph 20th 15.7kph
Bahrain GP
Fernando Alonso 314.0 4th 6.5kph 18th 12.9kph
Stoffel Vandoorne 310.7kph 6th 10kph 20th 16.4kph
Chinese GP
Fernando Alonso 325.3kph 1st Lead car 10th 5.8kph
Stoffel Vandoorne 324.2kph 3rd 1.1kph 14th 6.9kph
Azerbaijan GP
Fernando Alonso 309.9kph 6th 6.7kph 14th 19.1kph
Stoffel Vandoorne 312.5kph 4th 4.1kph 12th 16.5kph

Those disappointing performances on track have led to changes and restructuring behind the scenes.

Executive director Zak Brown was put in formal charge of the team's F1 operations by being given the title of CEO of McLaren Racing.

And Sky Sports F1 also understands that Tim Goss has been removed from his position as chief technical officer, in an indication the team realise their car-building efforts have not been good enough for 2018.

However, the MCL33 has tended to perform far better in race trim than in qualifying. Moreover, the team are currently fourth in the Constructors' Championship and have already amassed more points this year than they managed in the entirety of 2017 or in their first year with Honda.

"I know we have some developments in the pipeline, but we also know there is no magic bullet that will propel us to the front of the grid overnight," said Alonso.

"There has been a lot of work happening at the factory and there is still a lot of work to do - so in Barcelona it's a chance to evaluate some new things, see where we are, and determine the direction that we take with car development as we progress through the season."

McLaren vs Renault vs Red Bull race fastest laps

McLaren Renault Red Bull
Australian GP Vandoorne: 1:26.958 Hulkenberg: 1:27.081 Ricciardo: 1:25.945
Bahrain GP Alonso: 1.34.168 Hulkenberg: 1:34.667 N/A
Chinese GP Alonso: 1.37.234 Hulkenberg: 1:36.881 Ricciardo: 1:35.785
Azerbaijan GP Alonso: 1:47.449 Sainz: 1:46.856 Ricciardo: 1:45.419

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