what do all you Bonneville experts use for engine oil?
03-31-2005, 11:05 AM
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what do all you Bonneville experts use for engine oil?
I have used Mobil 1 5W-40 for years in everything I have with much sucess for a long time, and no sludging in the Northstars either!
03-31-2005, 04:36 PM
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Originally Posted by inurok
Do Northstars have the sludge problems that all chrysler 2.7s have?
Sort of...the Northstars have oil rings on the pistons that "sludge" and need to be cleaned if that occurs. Synthetic oil prevents this. I went almost 90K on my 1995 Eldorado using Mobil 1 every 3K miles with out having to add 1 drop in between changes. Also, the 40 weight handles the heat better IMO.
03-31-2005, 08:07 PM
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Originally Posted by Sol
Originally Posted by swartlkk
Originally Posted by Rogue
Originally Posted by silverws6ta
Mobil 1 10W-30 Full Synthetic