Quote:
Originally Posted by Zeke3
The SAE grade of the Lubriplate SPO 288 is 250, which sounds way too viscous for an old Ford transmission. The SPO 277 with an SAE grade of 140 is more in the range of where you want to be.
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I’m pretty sure that’s my issue. I picked up some GL4 140 yesterday and will drain and refill in the next day or two. I’ll report back. Thanks.