2013 5.0 break in..
07-25-2013, 06:54 PM
#1
Senior Member
Thread Starter
2013 5.0 break in..
Why is it bad to have first 1000 miles be at 70 mph on cruise? Curious as I have read I needed to vary speeds. I put 150 of city driving on then long road trip on cruise. Curious if I caused damage? Thanks.
07-25-2013, 07:34 PM
#4
Senior Member
If you check the manual don't tow for the first 1000 miles is the biggest statement they make. Other then that drive it like you stole it. I doubt you did any damage to it even in cruise. Feel free to drive the snot out of it now still....break it in.
07-25-2013, 09:03 PM
#7
Over the years I have traveled out of town to purchase new vehicles. I still believe the best medicine for a new motor is to drive it a few hundred miles on the way home. I can't see how driving in stop and go city traffic on short trips is a good way to seat in a new motor. Never had any issues with the vehicles I drove this way but I also believe in finding any weakness early on. Put the supercharger on my truck at 11k miles and I can assure you prior to that I was not light on the pedal on occasion. There is a difference between driving a vehicle hard and running it into the ground though...
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07-25-2013, 11:31 PM
#8
Senior Member
I have the same truck and engine. I put a couple of hundred miles on it, then went on a 300 mile trip in it, cruise set at 70. The truck has 9k miles on it now. I haven't noticed any oil consumption or ill effects from the long highway drive during break in. I wouldn't worry.
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NPC (07-26-2013)
07-26-2013, 10:54 PM
#10
Senior Member
I drove mine like I stole it when new. Used the gears to slow it down instead of the brakes for the first 500 miles. Now I did not go bouncing it off the rev limiter and varied my hwy speed for the first 1000 miles. I have just under 20,000 on it now and it uses no oil except what I catch in the PCV catch can.