Lexus300Stock Posted March 6, 2009 Share Posted March 6, 2009 hello.. i had a new motor installed in my is300.. i was wondering.. when do i change the oil again in it?? 500 miles? 1,000miles? 3,000 miles?? ,, the oil that is in there right now is conventional oil from lexus.. When can i change to synthetic? do i need to be easy on the car for first 500miles or what??? give me pointers.. thank you! -flea Quote Link to comment Share on other sites More sharing options...
smooth1 Posted March 6, 2009 Share Posted March 6, 2009 I always run conventional oil in it for about 1000 miles, then switch it to synthetic. This allows the valves to seat first, and the bearings and journals to fit up together and break in properly. Quote Link to comment Share on other sites More sharing options...
Lexus300Stock Posted March 6, 2009 Author Share Posted March 6, 2009 thanks guys for ur help and opinions!! apperciate it!!! Quote Link to comment Share on other sites More sharing options...
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