reliability of the new 5.7 6.1 hemi's??
02-21-2006, 09:44 PM
#11
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I'd think once it's broken in it should be safe to switch, say 5-10K miles? Don't know if it would be good to do right away but I've never heard anything about it being bad.
02-23-2006, 10:41 AM
#12
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Some say the slipperier(sp) synthetic oils do not promote good new ring seating. I would do the first ( 500 mile ) oil change dino and future ( 3000+ ) synthetic personally.
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