
08-19-2010, 02:32 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
DOT 4 is better for temperature issues (racing) but 3 is better for the street since it will tolerate higher levels of moisture. If you're not going to change it regularly use DOT 3.
bob
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