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Last weekend was my first autocross event in my stock 2017 ST (2k miles and original oil) and it was awesome! But looking back at the video footage, after each run the oil pressure needle dropped to around 1/8 - 1/4 of gauge. This isn't a red flag for me but it's definitely a yellow flag since my engine oil is losing viscosity and the gauge doesn't give me ANY information other than 70psi max. I have not changed the engine oil yet but I just purchased the Motorcraft 5w30 full synthetic. I know there are better brands than Motorcraft so I don't want to have that debate. I'm just curious if anyone who has a access port or other controller can tell me what the stock oil pressure gauge range is so I can feel better about this viscosity drop during autocross only. Also if anyone has witnessed this same thing in their car and what you did to fix it, if fixing it is necessary. Thanks for the input!
 

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The manual states that oil should be changed after each race event, Brake/clutch fluid too.
 
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