Recent content by Ecomike

I have a 1981-82 vintage Nissan SD-22 diesel engine, and I am having trouble finding any of the old spec oils anywhere. I do not want synthetic or semi-synthetic, and I want a pre SM/SN, CH-I (only), 15W40 or 20W50 dyno oil, with the old levels of ZDDP, etc. I might use a CJ-4/SL if I found it...