Honda's partnership with McLaren in 1988 led to the most dominant team Formula One has seen and come 2015, will replace Mercedes as McLaren's engine partner once more.
Vodafone McLaren Mercedes’ former world champion was fourth best in qualifying behind the flying Red Bull pairing of pole-sitter Sebastian Vettel and Mark Webber, and the Ferrari of Fernando Alonso.
Title contenders Lewis Hamilton and Jenson Button believe modifications to their car will improve its pace at the street track after McLaren struggled at similar circuits earlier in the year.
While Formula One welcomed a review of the team orders rule, leading teams were confused by FIA's decision to let Ferrari escape with just a fine for breaking the regulation at the German Grand Prix.
Jenson Button has already started working on his psychology ahead of next month's race in Italy in an attempt to rescue his Formula One championship hopes.
Jenson Button believes that Red Bull are bluffing with their claims that new tests introduced by Formula One's governing body have not affected their cars' performance.
Besides complaining about Button's driving, Horner also said Hamilton was the "luckiest man in Belgium" for managing to drive out of a gravel trap prior to winning the race.