Quote:
Originally Posted by Piotrsko
That was true of cars running 10-30 or 20-50. Most anything today has tighter tolerance and thinner oils so after a couple of minutes running, you have everything lubed. Ever see 5-30 on a cold morning? And my F250 takes 20 miles to warm and we're at 160k miles.
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Thanks. So would you say it’s okay to floor it once the oil reaches 100 degrees? Why won’t VTEC activate until the engine is warm if it’s not harmful to the engine? This car calls for 5w20 oil