Thread: break in on a rebuilt
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06-16-2010 08:41 AM #1
break in on a rebuilt
The engine rebuilder used break in oil in my fe390 short block. I have put 143 miles on the engine so far. How many more miles do I need to put on it before I change it for valvoline 10-30. Thanks Larry





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Thanks guys! It's been a long road. Fun doing finishing work for sure. Getting the dash ready for paint and some interior trim. Have to do some finish work on the aluminum headliner before...
Stude M5 build