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Breaking in new cam

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Old Jan 25, 2005 | 12:37 PM
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Default Breaking in new cam

Do yall know if you need to break in a new cam. Is it necessary or just good thing to do. any comments would be aprreciated.
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Old Jan 25, 2005 | 12:39 PM
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Heat cycle the cam and springs 2 times. Once to fill the car with coolant and the second wait tell it is warmed up and take it out for a nice cruse get 10 miles on it of so and then drop the hammer.
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Old Jan 25, 2005 | 12:40 PM
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I've been told to keep it below 3,000 rpms for a few hundread miles, and to make sure to warm up the engine each cold startup......but I may be thinking of breaking in the valve springs........
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Old Jan 25, 2005 | 01:09 PM
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My break in method was: let it idle, tune a little, drive it around for about 20min while scanning. Go back tune a little bit more ~20 minutes, then go out and see what it will do.
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Old Jan 25, 2005 | 01:15 PM
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i don't think any real break in is necessary for a cam ... just let the engine warm up on cold starts like stated earlier for valve spring longevity.
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Old Jan 25, 2005 | 01:48 PM
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thanks for the comments.
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Old Feb 18, 2005 | 02:56 PM
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They don't need to broken in. I started my car up right after the install, let it idle for about ten, then stuck it on the dyno and took it to 7,000. 15,000 miles later and my car is running better than ever.
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Old Feb 18, 2005 | 03:05 PM
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The cam doesn't need a break-in. The springs need to be heat-cycled.
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Only flat tappet cams have to be broke in, not roller cams.
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