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‘00 GMC Savana, Sta...
 
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‘00 GMC Savana, Stan Passn, 7.4L Vortec Accidental Oil Mix Up!

  

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I accidentally did an oil mix. Castrol Edge High Mileage Full Synthetic. I’m in -6 degree weather while doing this changed. Oil was still warm (don’t worry common sense was applied but this was a rare mix up) I mixed 5w-30 (put all 5 L/Q in) and mixed 2.7 5W-20, will my engine be okay or should I do an immediate oil change? It’s running smoother and slight rough idle as normal but smoother for whatever reason. Thank you! I live out of the van for work and such. Rent sucks! 


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so how much?.. a qt or two of the 5w20?

close enough it'll be fine


Understood, thank you! There’s no hard start nor is there any hard off when I turn it off. Sorry me and my wife live out of the vehicle and it’s literally our home. All is appreciated! It was 2.5L of the 5W-20, just wanted to make sure it would mess it up on a cold start. Unfortunately it doesn’t have a block heater either.


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