Renault and Cosworth have written a letter to the FIA as F1 struggles to find agreement over a new engine formula for 2013.<\/p>\n
The FIA is pushing hard for turbocharged 4 cylinder engines with exhaust-heat KERS capabilities to replace the current normally-aspirated V8s, and aiming to rubber-stamp the rules at the World Motor Sport Council in December.<\/p>\n
Superficially, the engine makers support the sport’s ‘green’ direction but are concerned about initial costs and then a development arms race.<\/p>\n
Germany’s Auto Motor und Sport reports that the Renault and Cosworth-powered teams last week signed a letter to the FIA pointing out the weaknesses of the proposed new rules.<\/p>\n
They want tight limits on things including minimum weights for pistons and conrods and the entire engine unit.<\/p>\n
“If the new engine formula becomes an arms race in turbochargers and cylinder heads, then an independent engine manufacturer will have no chance,” said Cosworth’s Mark Gallagher.<\/p>\n
Renault team boss Eric Boullier said the French supplier will support new rules “within certain cost limits”.<\/p>\n
“Our market in production cars is for four cylinders with a hybrid.\u00a0 For that reason we are not unhappy with that engine format (for F1).<\/p>\n
“But it is about how the rules are defined.\u00a0 The less clear they are, the more expensive it becomes,” he insisted.<\/p>\n
It is hoped that a cost-effective and modern engine formula might entice new suppliers, including the recently departed Honda and Toyota, into F1.<\/p>\n
But Ross Brawn, still with contacts within Honda, said: “They’re not planning to return.”<\/p>\n
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