I really like the idea of using 7mm stemmed valves, but would need to fit new guides to my heads, but unfortunatly, I can't see them listed. Is this the case?!
http://www.aircooledtechnology.com/stor ... hp?cat=280
Valve stem sizes
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- dstar5000
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Jake, going from a 9mm to a 7mm setup would add *about* how
much rpm potential with the *same* parts, i.e., the 9mm setup
would be good for 6500RPMs, where the 7mm setup would be
good for 7500 RPMS, resulting in a 1000 RPM increase in capability?
Not looking for total accuracy, just wanting to try to gauge the
$$ per RPM increase, when going to 7mm.
And yes, I understand that the reason to *go* to 7mm would
normally be because the combo dictates it, but some folks just
want to have all the bling, weither it is needed or not.......
Don
much rpm potential with the *same* parts, i.e., the 9mm setup
would be good for 6500RPMs, where the 7mm setup would be
good for 7500 RPMS, resulting in a 1000 RPM increase in capability?
Not looking for total accuracy, just wanting to try to gauge the
$$ per RPM increase, when going to 7mm.
And yes, I understand that the reason to *go* to 7mm would
normally be because the combo dictates it, but some folks just
want to have all the bling, weither it is needed or not.......
Don
"Let me say it as simply as I can: transparency and the rule of law will be the touchstones
of this presidency,".. Barack Obama January 21, 2009, 30 minutes before he signed the law
sealing all his personal information....
of this presidency,".. Barack Obama January 21, 2009, 30 minutes before he signed the law
sealing all his personal information....
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