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Old 04-11-2009, 10:43 AM   #33 (permalink)
In2Deep
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Join Date: Apr 2009
Location: Austin
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An engine-builder friend once told me that over the first 1,000 miles
- Drive a new motor as you would normally around town
- For a performance engine -- run her through some higher rpm's every 75-100 miles, but not to redline. Ever. So, 10-12 run-throughts up through higher rpms within the first 1000 miles
- NEVER drive for a long period at the same speed (long trip) during this 1000 miles. but...
- take a 250 mile drive somewhere, on the freeway without stopping, and spend 10 minutes at a time holding various speeds, faster and slower. something like this.

10 mins at 55...then speed to....
60....10 minutes at 60...then speed up to...
70....10 minutes at 70...then slow to.....
55....10 minutes at 55...then speed up to...
75....10 minutes at 75...then slow to...
50....10 minutes at 50...then speed up to...

60....
Repeat.
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