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Cam Spec Question
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John Denhart
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Joined: October 20, 2009
Posts: 4
Location: San Diego
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PostPosted: Thu Feb 02, 2023 1:56 pm    Post subject: Cam Spec Question Reply with quote

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am Inquiry:

I am putting together a 1968cc with dual Dellorto 40s, 042 heads w/ 61cc chambers, 1:25 rockers, and was curious to your thoughts on a cam that has:

254 duration-35 overlap-.420” lift


Thank you.


Last edited by John Denhart on Thu Feb 02, 2023 2:15 pm; edited 1 time in total
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Dan Ruddock
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Joined: October 25, 2012
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Location: Sarasota, in my adopted state of Florida
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PostPosted: Thu Feb 02, 2023 2:01 pm    Post subject: Re: CAM SPEC QUESTION Reply with quote

John Denhart wrote:
Cam Inquiry:

I am putting together a 1968cc with dual Dellorto 40s, 042 heads w/ 61cc chambers, 1:25 rockers, and was curious to your thoughts on a cam that has:

254 duration-35 overlap-.420” lift


Thank you.

Duration at what? @ .050” or?
Lift a valve or cam?
Grind# and what brand?

We are shooting in the dark.
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Dan Ruddock
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Joined: October 25, 2012
Posts: 3592
Location: Sarasota, in my adopted state of Florida
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PostPosted: Thu Feb 02, 2023 2:25 pm    Post subject: Re: CAM SPEC QUESTION Reply with quote

Too mild for your app. I would get a w110 or a webcam 119+3

Actually with those rockers a Web 163 is better yet. Stock style or ratio rockers?
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