Quote:
Originally Posted by Mattchu60
I got my 5.3 swap completed over the weekend, freshly rebuilt 5.3, bored .030 over. Of course it has a roller cam, but I used break in oil anyways. I've driven it around 30 miles after the initial break in, and I want to change the oil for fresh stuff. I'll keep using regular dino oil (non-syn) for the first 5,000 miles. My question is simple - should i keep adding the Lucas break in oil to the engine or is it not needed at this point?
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From what I understand, it’s not necessary but the break in oil is supposed to provide better protection. Downside is that it is more expensive.
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