Volvo RWD 120-130 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 6/2022 120-130 INDEX

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How do you ID a cam? 120-130

uid 32173's pic
posted by  Gary L on  Sun Dec 7 16:36 CST 2008
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last visit: Wed Oct 22 10:26 CST 2014
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I'm pretty sure the 1.18" base circle is the right number for all stock B20 cams, maybe someone can confirm that? With 1.39" total and a 1.18" base circle, you would have only .210" lifter rise... that's even less than the lowly factory "A" grind. Given confirmation that 1.18" is correct, then you must have a non-standard grind of some kind, or a stock cam that is badly (and evenly) worn on all lobes. The latter would be extremely unlikely, IMO.
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Gary L - 1971 142E ITB racer, 73 1800ES, 02 S60 T5
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New B20F cam/lifters in a B18 engine [120-130]
posted by  malloy1  on Thu Dec 4 08:36 CST 2008 >


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