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New H&R springs have arrived

April 22, 2009

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The new H&R springs from AllSprings.com have arrived. Last year we used 500 lb/in front and 600 lb/in rear springs. By the end of the season, I was sure that we needed stiffer springs. The car was leaning too much and the rear tires were rubbing the inside of the rear fenders after approx 2” of wheel travel. After doing a lot of research on what other people have used, what worked and what didn’t, we decided to try spring rates of 110 N/mm (621 lb/in) front and 140 N/mm (799 lb/in) rear. This is somewhat stiffer than what most others have used, but not as stiff as what some very knowledgeable sources suggested.

They should be installed tomorrow and ready for the first BMW event this weekend. 

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