How to degree a Cummins cam. ( INTAKE CENTERLINE )
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- Опубліковано 25 тра 2021
- How to degree a Cummins cam, ( INTAKE CENTERLINE ) Showing how you look the intake centerline of the Cummins shaft on you Cummins. This will work on all you Cummins engines
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Excellent video as always Rob very informative.
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Another great video Rob. Short sweet and to the point
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Great video man!
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Good stuff
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Nice video 👍
Thanks 👍
Yep right on man 👍👍
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Do you have any experience with Hamilton cams. I picked up a towing and efficiency cam for my 12 valve. Still putting it together thanks Rob your videos are excellent!
Yep I have used them in the passed. Nothing wrong with the profile
Rob, is there a way to find TDC (for example if you've replaced your timing pin housing) that's similar to this?
ua-cam.com/video/KWgobgd_Te4/v-deo.html
yep sure is
@@CUTTERUPROB Thank you. I recalled seeing this video but couldn't remember what the method was called.
Does this require an adjustable cam gear or do you just skip teeth on the cam gear?
You would want to put a offset key in it
That cam i am planning on putting in my 6.7 recomends 98*-103* intake centerline, is there any benefit to being closer to one end of that spec or the other? Such as moving the power to low end or twards top.
Depends on the rpm range and the cam. Best to talk the the cam builder
Is it still important to degree a cam on a common rail vs a mechanical pump?
If a performance application yes. I will get into more when we have the dyno and show everyone why
Im installing a 178_208 cam on a 2005 3rd gen ram.
Cant you just line up the timing marks on the cam and crank to get tdc?
Yes you can. It’s just best practice when you want to most out of the camshaft as you can to check and make sure everything is right.
@@CUTTERUPROB just for review...
Set the engine tdc then, with your dial indicator in place, rotate the crank until you get .050 of lift, take the degree reading down to the decimal, then rotate the opposite direction until you get .050 of intake lift and measure the degrees of crank rotation again.
add the degrees together, then divide by 2 to get the intake centerline?
Basically yes
Do one on a 24 valve
Process is exactly the same regardless if it's a 12 valve or 24 valve as the architecture is identical.
It’s the same as doing this. Well technically this is a 24v. But with 12v gear train
Why would I need to degree a drop in cam with timing marks ?
Drop in means the clearances should be good. Degree if the cam makes sure the valves are opening at the right start time.
You can add or take timing out to move the power curve.
@@CUTTERUPROB Makes sense to me