Oil pressures in our cars max out at 100-105 psi. Those pressures are fine with socketless fittings but not if they're incorrectly installed. Unless you completely screwed up on hose to fitting sizing, then pressure didn't cause the problem. More likely there wasn't enough slack in the hose and engine shift during acceleration gradually pulled the hose off. This is why I had a local hose manufacturer fabricate 5,000psi rated lines with stainless steel crimped fittings and I installed an oil pressure gauge for a last ditch early warning system. Now I drive without worry.
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2013 Cadillac V-Wagon, RIP Z
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