Quote:
Originally Posted by HandOverFist
Where are the valve spring rules?
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http://www.bluetoad.com/publication/?i=186944&p=1
Pages 48 and 49
the previous discussions here about changing valve spring rules were a reaction to the now reversed camshaft rule change. A spring change was never officially in print, just bantered about here and thru e mails to Mike B at IHRA........
So I guess that closes Pandora's Box lol.........