01-16-2009, 01:37 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
Usually racing requires it to be 2" higher than the drivers helmet when seated and buckled in. Make it 2" higher than your boys head or look at the line between the roll bar and something solid on the front of the car and make sure you're inside the line.
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