Chemy350
Well-Known Member
- First Name
- David
- Joined
- Feb 7, 2018
- Threads
- 19
- Messages
- 320
- Reaction score
- 421
- Location
- Atlanta GA
- Vehicle(s)
- 2018 JLUR
- Occupation
- Mortgage Loan Officer
In my previous job, I was an A&P Mechanic, basically airplane mechanic. I know engines and the reason for break in periods... of previous generations. In today's cars, engines are produced with MUCH tighter tolerances than they were 20 years ago and beyond. THey no longer need to seat the rings for thousands of miles or break in the seals on the valves etc. They fit nearly perfect from the factory in today's moderns engines, transmissions etc.
The only break in period I follow is 2 rules. 1 - Make sure the oil temperature is up to around 200 degrees, usually takes about 10-15 min of driving to get there. Once thats warm, drive it as hard as you want, floor it, no problem. and 2 - never set cruise control for the first 500 miles. If you want to take a road trip, you want to change the speed at which your driving constantly, varying the RPMS.
I have done these two rules for about the past 20 years, I have literally never had a single engine problem in any vehicle I have owned, that I purchased new.
I understand everyone has their own opinion, this is just mine.
The only break in period I follow is 2 rules. 1 - Make sure the oil temperature is up to around 200 degrees, usually takes about 10-15 min of driving to get there. Once thats warm, drive it as hard as you want, floor it, no problem. and 2 - never set cruise control for the first 500 miles. If you want to take a road trip, you want to change the speed at which your driving constantly, varying the RPMS.
I have done these two rules for about the past 20 years, I have literally never had a single engine problem in any vehicle I have owned, that I purchased new.
I understand everyone has their own opinion, this is just mine.
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