If it helps in your decision, I'll be installing one when I rebuild my pump...again. I've always heard that Synthetic oils were developed in Alaska because of the cold temps. Tested it in my snow plow's hydraulic ram with synthetic tranny fluid & it was awesome at (-20) temperatures.
1970 FJ40- TBA
Last edited by baja1d; 08-15-2013 at 10:48 PM.