[quote=spindleshanks]
Quote:
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Originally Posted by uberhahn
Some facts about synthetic oil:
- if you have leaks, synthetic will tend to make them worse
- you should be able to extend the OIL changes to 10K, if you change the FILTER every 3-5K (providing it's a bigger filter). This can make up for the extra cost of synth oil.
QUOTE]
Hogwash! That whole leak myth is just that; a myth. Don't change the filter between oil changes, that's stupid. Just use a hi capacity premium oil filter (WIX, OEM, etc). And if it takes you a year put 10K miles on your odometer, then don't do a 10K mile oil change interval. Make it 7K or so. You can't have a free lunch. If you don't change your oil for a year, regardless of oil type, you're not maintaining your vehicle properly.
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Check this
page out. It has the recceommend drain intervals for Amsoil.
The oil I use says 25,000 miles or 1 year, whichever comes first.
Synthetic oils are different, they dont break down like conv oils. I only change my oil once a year. And even running a much larger filter I still change it every 5K. A new filter never hurts. When I get my by-pass installed I will change the full flow every 5K, and the by-pass every 10K (which is about 1 year on my P/U).
__________________
-John
'05 Dodge 3500 SRW 4x4 SLT 5.9 Cummins QC LB NV5600
2003 SR5 4Runner, V6 4WD. 1" cornfed lift
Previous Toyota's
'92 Red Truck NALA
Speed doesn't kill, its the sudden stop that hurts.