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Old 09-21-2025, 11:31 AM   #1
PPRCuda
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Default S/SS JA/KA SBM cam

Hi, looking for cam specs from very old SBM mechanical roller cam.

Markings are: 957S and E3A

Thanks!
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Last edited by PPRCuda; 09-21-2025 at 11:38 AM.
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Old Today, 12:39 AM   #2
GTX JOHN
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Default Re: S/SS JA/KA SBM cam

Might be someone with a Cam Doctor that
can check it for you.
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Old Today, 10:38 AM   #3
Stan Weiss
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Default Re: S/SS JA/KA SBM cam

Quote:
Originally Posted by GTX JOHN View Post
Might be someone with a Cam Doctor that
can check it for you.

The Cam Dr does give an excellent look at the lobe and the lash ramp. But it doesn't give you an answer as to what lifter raise the designer wanted the lash set at.

Stan
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