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12-29-2009, 11:14 AM
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Erson camshaft
Hello everyone,
I am new to this forum as I am a new owner of a 1970 Olds W-31 Cutlass with a mystery engine (it is a correct Olds 350), with a mystery Sig Erson camshaft with no cam data card in the records supplied. The many spare parts that came with the car included the box for the Erson cam and is labeled as follows; Make: Olds Model: 330-455 Grind No.: Hi-Flow 111H Part No.: 540531 If anyone knows the specifications to this camshaft, I would greatly appreciate this information! Thank You in advance! Roger Opfer rogeropfer@earthlink.net 
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12-29-2009, 11:35 AM
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That specific cam is not shown in the current Erson catalog but...
Erson "HI flow III H" cams shown for other engine applications show 316-316 adv dur 240-240 @.050" .504" lift w 1.6 rockers 108 LSA. Your olds HI flow III H cam is likely the same. http://www.pbm-erson.com/inquiries.php
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