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Grinds numbers in english?

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Old 12-07-2005, 09:13 PM
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Default Grind numbers in english?

What can I be told about the cam from the grind numbers. I have nothing more than 3724R/3775R, HR 112+4. I have a serial of X9423, it's a CC cam. And a random number of 2870. Random meaning I don't know what it is. I get that it has a LSA of 112, with 4 degrees of advance, that was easy, but anyhting else? Anyone?

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Old 12-07-2005, 11:33 PM
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Originally Posted by Michael55123
What can I be told about the cam from the grind numbers. I have nothing more than 3724R/3775R, HR 112+4. I have a serial of X9423, it's a CC cam. And a random number of 2870. Random meaning I don't know what it is. I get that it has a LSA of 112, with 4 degrees of advance, that was easy, but anyhting else? Anyone?
3724 is a comp XE-R 228 lobe w/ .588" lift. The 3775 you have listed is probablly a 3725, which is a 230 XE-R lobe w/.592" lift. So that would be a 228/230 .588"/.592" 112+4 3775 is not a XE-R lobe. BTW, the R behind the number stands for XE-R lobe and the HR is hydraulic roller.
Old 12-08-2005, 01:16 AM
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I was told it was 228/224 .588 .569, but that seemed funny to me. Maybe the 3775, was a 3715? That third digit is a little rough to read. Where did you get these specs? Thanks for the explanation, I really appreciate the help.
Old 12-08-2005, 01:18 AM
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Wow, I'm sorry. It was right on the cam guide page. Sorry for being stupid, but the search function doesn't search images for text, which is a given, should of looked closer.




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