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For those who might not know about it, O'Reilly's Autoparts currently has a nation wide synthetic motor oil promotion through October 30th: Buy up to six quarts each of Valvoline SuperSyn and Q Advanced and get a 100% rebate by mail.

I picked up six quarts each of 5w-30. Nothing better than twelve free quarts of full synthetic oil for FREE.

I hope I don't forget to mail in the rebate forms.....
 

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Don't Bullitts use 5w20? I just changed my oil today and used Motorcraft filter and Mobil 1 5w20 synthetic.
 

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yup, thats what they use....5w20. But you can use 5w30 if you want but it will not flow as good when cold.
 

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P-51 Bullitt said:
yup, thats what they use....5w20. But you can use 5w30 if you want but it will not flow as good when cold.
What about the heat?? Cause I know when I drive the car in the heat I have had trouble getting it to start back up.

So i guess my question is living in Houston which oil should i use??
 
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