“Our old, yet mostly reliable 1997 Astro van has had a progressively worsening
low oil pressure problem for a long time. At idle, oil pressure sat around 30psi,
and at higher RPM, it could only manage just over 40psi. Highly recommended by a friend, I did the engine flush with Flushing Oil Concentrate. The very first start with new oil, and immediately the oil pressure at idle was 55psi. At highway RPM it now sits solidly on 60psi. I couldn’t be happier with the result! Awesome product, awesome result. Thanks.”