- Feb 6, 2010
- Bend, Oregon
You can use SYN twice a year....with longer OCI....and save money....versus 3 OCI's (one Syn & 2 Conventional). Also....you save time (2 versus 3 OCI's)...and you use LESS valuable resources.
Originally Posted By: Warstud
Late December (ahead of the coldest months) is when I put synthetic in....that I bought on sale. So late December to April with syn....then do two OCI between April and December with dino.