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Twin Cam Timing & "punch marks"?

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  #11  
Old 02-16-2017, 07:09 PM
DianneB DianneB is offline
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Quote:
Originally Posted by bwoltz View Post
The marks should on the inside side of the gears... Looking at the rear cam you should replace the rear bearing with the roller bearing replacement...
Bearings already changed. No marks anywhere on the cams except those pictured, NONE!
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  #12  
Old 02-16-2017, 07:13 PM
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I just pulled the stock cams out of my '06, they did not have dots. They had lines, and not the line the OP shows in his photos. Should be one distinct line on each cam each toothed gear.
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Old 02-16-2017, 07:23 PM
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Quote:
Originally Posted by DianneB View Post
That makes sense, particularly if they are after-market.

Think they are Feuling
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Old 02-16-2017, 08:21 PM
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Quote:
Originally Posted by DianneB View Post
Bearings already changed. No marks anywhere on the cams except those pictured, NONE!

Well I was wrong.. Those are stock cams and the marks you are lookin' at are correct.

Here is a set of 02s out of my 02 RKC The marks on the ends correspond with marks on the teeth and they are in the right position for the missing tooth on the outer cam gear spline..



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Old 02-16-2017, 08:22 PM
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I would install them with the squiggly lines pointing at each other in the same plane.
EDIT: As shown above in the bwoltz post
Then slip the sprockets on and see if the dots on the sprockets line up as shown in one of the attached photos. If the sprocket dots line as shown (picture shows dots, not squiggly lines) then the dots on the cam sprockets should line up as shown in the other picture which would be TDC on the rear cylinder which is the #1 cylinder. I would try that and see how things line up.
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Twin Cam Timing & "punch marks"?-cam-sprocket-timing-marks.png   Twin Cam Timing & "punch marks"?-outer-cam-timing-marks.png  

Last edited by djl; 02-16-2017 at 08:30 PM.
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Old 02-16-2017, 08:37 PM
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Quote:
Originally Posted by bwoltz View Post
Well I was wrong.. Those are stock cams and the marks you are lookin' at are correct.

Here is a set of 02s out of my 02 RKC The marks on the ends correspond with marks on the teeth and they are in the right position for the missing tooth on the outer cam gear spline..



Yup, those were the lines I was talking about.
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  #17  
Old 02-17-2017, 05:22 AM
DianneB DianneB is offline
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Quote:
Originally Posted by bwoltz View Post
Those are stock cams and the marks you are lookin' at are correct.
Hey man, THANKS! That is reassuring.

Onward and upward!
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  #18  
Old 02-17-2017, 05:46 AM
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Should of taken a picture when you were in the disassembly stage... But IMO the marks you are point to are the ones you line up.

But...I'm not a mechanic
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Old 02-17-2017, 10:47 AM
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When I did my 01 TC88 it looked like this picture
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Originally Posted by QC View Post
Were there any dots like this on them?
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Old 02-17-2017, 11:31 AM
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Quote:
Originally Posted by Lunchboxx View Post
When I did my 01 TC88 it looked like this picture
FWIW those are aftermarket cams..
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