Shell Spirax
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Mountain Pass
Joined: Jul 2018
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Shell Spirax
80w140, full synthetic. 8.99 quart at Amazon. Viscosity at 40c is 271.
In comparison, the popular Valvoline 75w140 is around 15.48 a quart, with a 40c rating of 181.
If you are not in an Arctic area Spirax will be fine in the 75w140 specified diffs.
That 8.99 price is hard to beat.
In comparison, the popular Valvoline 75w140 is around 15.48 a quart, with a 40c rating of 181.
If you are not in an Arctic area Spirax will be fine in the 75w140 specified diffs.
That 8.99 price is hard to beat.
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bigtexan99
1999 - 2003 7.3L Power Stroke Diesel
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Sep 15, 2011 08:30 AM
