dnewton3
Staff member
There are only two reasons to use synthetics; uber cold temps (does not apply in VA) and greatly extended OCIs.
Is he going to extend the OCI? If not, it's a big waste of money. That is not an opinion; it's a fact proven time and time again in UOA evidence. Under "normal" conditions, synthetics show no advatage in wear reduction, but they surely reduce the size of your wallet easily.
Allow me to define "normal": temps above -10F, and OCIs less than 7500 miles.
Using synthetics is a moreso a matter of fiscal choice than wear avoidance.
The 6.0L PSD does very well on dino HDEO; my neighbor has run some nice UOAs using 10w-30 Shell TP (dino) at the "normal" intervals. Yes, the HEUI shears a 40 grade down, but it does not do that nearly as badly with a 30 grade; seems it prefers a 30 grade.
It's your wallet; do as you see fit.
Is he going to extend the OCI? If not, it's a big waste of money. That is not an opinion; it's a fact proven time and time again in UOA evidence. Under "normal" conditions, synthetics show no advatage in wear reduction, but they surely reduce the size of your wallet easily.
Allow me to define "normal": temps above -10F, and OCIs less than 7500 miles.
Using synthetics is a moreso a matter of fiscal choice than wear avoidance.
The 6.0L PSD does very well on dino HDEO; my neighbor has run some nice UOAs using 10w-30 Shell TP (dino) at the "normal" intervals. Yes, the HEUI shears a 40 grade down, but it does not do that nearly as badly with a 30 grade; seems it prefers a 30 grade.
It's your wallet; do as you see fit.
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