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Old 11-19-2012, 05:08 PM   #45
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Originally Posted by Focus YBTC View Post
I agree. The Focus ST-R even adds a very extensive roll cage for racing purposes. It looks like they might have removed the high strength steel door side beams and replaced them with sturdy looking Cro-Mo steel tubing structures.
Well in the case of the Focus ST-R dont forget the weight savings from dropping support for cargo and passengers.

I would assume it also has dropped the fuel tank in favor a fuel cell and surge tank. Also the weight savings from an AC delete, heater core delete, MFT + dash delete, passenger and rear seat delete.

I can only guess that if the engineers behind the ST-R were worth their paycheck the ST-R probably uses an oil cooler combined with a smaller alloy radiator for better cooling while saving weight.

The list of things deleted from a purpose built racecar gets long and frequently purpose built racecars are seamwelded.
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