Toleman's Rory Byrne had substantially revised the Ralt over the summer break between rounds 8 and 9, and it looked like his work had borne fruit with Henton winning at Enna after a furious battle with Elgh.
Using a revolutionary carbon-fibre monocoque, a first for F3, Reynard manufacturer cars at the same pace as Ralt, but Adrian Reynard had a knack of producing cars that won on their race debut.
Follow up orders from competitors were not forthcoming, largely preferring to import the latest British designs from Lola, Ralt and Reynard.
From 1988 until the mid-1990s, chassis from Reynard, Ralt, TOM's and Dallara were in common use, but at that point, Dallara's increasing performance advantage had the same effect in South America as it had in Europe, and it became the de facto choice.
Cheetah Mk.9, Dome F102, Elfin FA891, Hocking 901, Hocking 911, Liston BF3, Lola T87/50, Lola T91/50, Lola T93/50, March 87B, Ralt RT4, Ralt RT20, Ralt RT21, Ralt RT23, Reynard 89D, Reynard 90D, Reynard 91D, Reynard 92D, Reynard 93D, Reynard 94D, Reynard 95D, Reynard 96D, Reynard 97D, Reynard 98D, Shrike NB89H, SPA 001, SPA 002, SPA 003