Pontiac Firebird 1967-2002 - Royal Purple ,Mobil 1 synthetic or conventional oil?
03-30-2009, 11:06 PM
Hi guys wassup I recently purchased a 1996 Ws6 M6 with 97,112 miles on it and I want to change my oil so I was wondering if you guys could help me with this. What weight and what brand do u recommend? Thanks n advance
I personally use Mobil1 10w30, but if you look down a few threads you will see there is a multiple page thread on oil, everyone likes something different.
03-31-2009, 09:27 AM
Yeah, just read the numerous posts dealing with oil. Let's not start another one. Please :lock:
03-31-2009, 09:30 AM
I use Royal Purple 5w30
03-31-2009, 11:01 AM
I use 5w30 Lucas!
04-06-2009, 11:38 PM
I wouldnt use RP it gave me lifter tick and now it wont go away! I got better when I switched to GC 10-40
IMHO synthetic isnt worth it I payed 75 bucks for a RP oil change compared to 29 for GC.
04-06-2009, 11:58 PM
04-07-2009, 12:31 AM
Some advice,if you don't know what kind of the oil the motor has seen during it's life,use CONVENTIONAL.Synthetic likes to seep through older gaskets and seals by cleaning out sludge & deposits that form around them.I learned that the hard way and now I got small oil drips at pretty much every gasket and my intake is leaking onto my optispark!!! :bang:
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