Welcome to Stovebolt Larry! wave

I've got Rotella Diesel Grade 15W40 in my '54 235 powering my 1951 3100. Your oil pressure reading isn't terribly unusual. I think lots of fellow Stovebolters use Rotella. The oil topic has been discussed a ton over the years and you can find many of those conversations by using our Search the Site link to pull them up and read through the previous conversations. smile

Once again - Welcome! thumbs_up

Last edited by Gdads51; 11/07/2025 2:48 AM. Reason: fix link to display correctly
~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)