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A1GP heads down Mexico way this weekend, with the 'World Cup of Motorsport' visiting the Autodromo Hermanos Rodriguez for the second time.

The first visit to the Mexico City track - named after the country's most famous racing drivers, brothers Pedro and Ricardo Rodriguez, and which also used to host the country's F1 Grand Prix - proved quite a spectacle.

Indeed, last season's A1GP Mexico proved one of the best rounds of the year, with the wide main straight providing lap after lap of action as cars duelled wheel-to-wheel three - or sometimes even four - abreast.

It was certainly a race to remember for Team Great Britain and Oliver Jarvis, the latter scoring a breakthrough feature race victory for the former after earlier finishing second in the sprint race.

Currently sixth in the standings and looking to close a 12-point gap on defending champions Germany, Great Britain have nominated Jarvis as their lead driver this weekend - the logic clearly being the hope that the 24-year-old can produce more of the same.

Tappy named

Meanwhile, Duncan Tappy has been named rookie driver for the weekend, the highly-rated 23-year-old having won both the Formula Renault UK championship last year, and the prestigious Formula Ford Festival in 2005.

The big driver change ahead of the weekend comes with the Czech Republic team, who have recalled Filip Salaquarda for the final three races of the season in place of Josef Kral.

Kral had been nominated for the rest of the season before the last round in South Africa, but the 17-year-old failed to impress in Durban and could only manage a lowly 16th in the feature race.

Elsewhere, Mexico have announced that David Martinez has been recalled as their rookie - lead driver David Garza now ineligible for the role - while Brazil will run 16-year-old Felipe Guimaraes as rookie in support of Bruno Junqueira.

Event organisers have also made circuit changes ahead of the race, with an additional chicane at the end of the long straight before the final, fearsome, Peraltada corner.

The hope is that the modification will create an additional opportunity to pass and also increase safety - the high-speed 180 degree Peraltada turn itself being surrounded by little in the way of run-off ahead of a concrete wall.

A1GP Round Eight (Mexico City):

Track length: 4.421 km (2.747 miles)

Lap record: 1m27.534s, recorded by Salvador Duran, A1 Team Mexico, March 2007

Points standings after round seven:

1 New Zealand 96 points
2 France 96
3 Switzerland 93
4 South Africa 79
5 Germany 77
6 Great Britain 58
7 Netherlands 55
8 Ireland 50
9 Brazil 38
10 Canada 37
11 China 29
12 India 28
13 Mexico 19
14 Australia 15
15 USA 12
16 Czech Republic 10
17 Portugal 5
18 Italy 4
19 Malaysia 2
20 Pakistan 1