Thread: Mobil 1 Rebate
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Old 02-25-2009, 07:10 PM   #11
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Join Date: Aug 2007
Location: Chicago suburbs
Posts: 379
Does Royal Purple make a 0W40 and why did you go up to the 5W40? The 5W is for winter protection, right? Does 5W and 0W make a difference?

Where in chicago-land did you pick up Royal Purple and how much per quart?

2001 Boxster S
Pioneer Avic D3
JL Audio 6.5 inch subs (in the door)
Pyramid 4 channel amp
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