Mechanic says change oil

As a mechanic myself, I change my oil around 3k miles which is typically when it gets dark. It's normal. I'm not a scientist but going to 5-6k shouldn't hurt anything. But I refuse to go 10K miles as some dealers suggest as I've seen the filters split open before then and I've seen the havoc it's wrecked on many vehicles.

I had an Eldorado (4.6) and it burned oil like crazy and also ended up having the dreaded headbolt issue as well, so I passed it on the next person who actually fixed it up. I heavily recommend changing it every 3K miles, and have the cooling system checked with a fine tooth comb. Radiator, hoses, everything. All plastic, all cheap, and more likely to break.
 
As a mechanic myself, I change my oil around 3k miles which is typically when it gets dark. It's normal. I'm not a scientist but going to 5-6k shouldn't hurt anything. But I refuse to go 10K miles as some dealers suggest as I've seen the filters split open before then and I've seen the havoc it's wrecked on many vehicles.

I had an Eldorado (4.6) and it burned oil like crazy and also ended up having the dreaded headbolt issue as well, so I passed it on the next person who actually fixed it up. I heavily recommend changing it every 3K miles, and have the cooling system checked with a fine tooth comb. Radiator, hoses, everything. All plastic, all cheap, and more likely to break.
Oh believe me i baby that cooling system and look under the hood weekly. I normally stick to Mobil 1 5w30 extended performance high mileage and the extended performance Mobil 1 filter as well.. Yep same 4.6 and it burns oil. Everyone I've talked to that has had one says they do.
 
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