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Old 02-18-2009, 07:45 PM   #31
hollywoodGU
 
Drives: 1999 Firebird Formula
Join Date: Jan 2009
Location: Monmouth, OR
Posts: 656
I use royal purple. I drag every friday, usually about 3 runs. I change the oil every 3k miles. And everything works fine. Btw the car is over 15 years old so obviously it works.
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