Re: KPack's 1954 Panama
Posted by kevinpackard On 2024/4/15 16:06:08
Got the yearly oil and filter change done today. In the past I used Shell Rotella 15W-40, but talking with the guys at NAPA apparently both Rotella and Chevron's Delo no longer have zinc in them. I'm not sure how accurate that is because info is hard to come by, but these guys all have classics and muscle cars and generally know their stuff. Anyways I decided to try something new with Valvoline's VR1 line, which is made for classic car and does have zinc. Not sure that zinc is that critical to our engines, but I figured why not try it out.
My biggest concern was that it would drop oil pressure running a lighter oil. It didn't. Fully warmed up the pressure sits at ~32-35psi @ 55mph, 20psi at idle in neutral, and 15psi at idle in gear. Engine seems a bit quieter but I'm probably just imagining that.
Did a solid 15 mile drive to check everything. 30mph winds made it interesting. I need to do some work to the steering system. But nice views of the valley.
My biggest concern was that it would drop oil pressure running a lighter oil. It didn't. Fully warmed up the pressure sits at ~32-35psi @ 55mph, 20psi at idle in neutral, and 15psi at idle in gear. Engine seems a bit quieter but I'm probably just imagining that.
Did a solid 15 mile drive to check everything. 30mph winds made it interesting. I need to do some work to the steering system. But nice views of the valley.
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