Quote:
Originally Posted by Daox
The thing to worry about with revving an engine immediately after start up is engine wear due to lack of oil. During the time between cranking and oil getting to all the engine parts a lot of wear can happen. As soon as the oil is circulating through it you are okay. However, doing this once is not going to kill the engine. Just don't make a habbit of it.
BTW, welcome to the site.
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Agreed -- not a big deal unless you do it all the time.
The hardest I've been on an engine was running for volunteer EMS/Fire ( with a new '97 Civic DX Coupe, 5-speed). Cold soak, start, high electrical loads (lights/siren), at least 2 redline runups and high RPMs for engine braking, 2.5 minutes to the station, and shut down for at least 2 hours on the average before returning home. Seconds counted, so the vehicle was put through the paces to accomplish the task.
I was warned that it could prematurely blow the head gasket with the wide swings in temps. All that happened was warped rotors with the hard stops. The vehicle was nearly totaled with a rear-end collision while stopped, just driving home. It was just over a year old. Never the same again, for sure.
Welcome, by the way!
RH77