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Author Topic: 103" Max Cam Lift?  (Read 3968 times)

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HDDOCFL

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103" Max Cam Lift?
« on: March 02, 2008, 10:28:08 AM »
Anyone happen to know what the max cam lift is of the stock 103 CVO heads are? In this case a 05 SEEG.  Thanks Doc
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skyhook

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Re: 103" Max Cam Lift?
« Reply #1 on: March 02, 2008, 11:11:03 AM »
zippers has a .575 lift cam that they say is bolt-in for cvo 103"
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Fired00d

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Re: 103" Max Cam Lift?
« Reply #2 on: March 02, 2008, 11:13:25 AM »
Quote from: skyhook on March 02, 2008, 11:11:03 AM
zippers has a .575 lift cam that they say is bolt-in for cvo 103"
That is correct I'm running them in my bike w/no headwork done. :2vrolijk_21:

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erniezap

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Re: 103" Max Cam Lift?
« Reply #3 on: March 02, 2008, 11:34:03 AM »
Same with the Freedom cams.  Bolt in .575's
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kng103

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Re: 103" Max Cam Lift?
« Reply #4 on: March 02, 2008, 12:54:09 PM »
i changed my springs when i put in the se-251 cam.
there was not enough info on the heads when i did it.
i have been told on this site, i can't remember by whom that i could have left the springs alone.
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HDDOCFL

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Re: 103" Max Cam Lift?
« Reply #5 on: March 03, 2008, 12:32:23 PM »
Thanks all, looks like it will handle a .575" lift OK.. Thanks Doc
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CVOJOE

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Re: 103" Max Cam Lift?
« Reply #6 on: March 03, 2008, 07:17:01 PM »
Take a look at the attachment, it covers the various lift and MOCO valve spring limitations, maybe this will help? :nixweiss:
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Unbalanced

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Re: 103" Max Cam Lift?
« Reply #7 on: March 04, 2008, 02:06:51 PM »
The CVO heads that I gave to Zippers (2 sets) had max lifts of 630/640 when tested by Zippers.    Leaving .045 clearance I would not recommend going over 585 lift cam.  I would however caution you to change the tensioners out while you're in there and / or go gear drive provided your crank run out is good.



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HDDOCFL

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Re: 103" Max Cam Lift?
« Reply #8 on: March 06, 2008, 09:18:21 AM »
Thanks All.  Doc
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