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Discussion Starter · #1 ·
I have finally finished porting a pair of 8445s, I have an ATR billet roller with the accompaning valve springs. They are a dual spring that seems plenty stiff. Anyone know if the stock cups are required with this setup? I'm sure they would add a little more pressure, but would I really need it with the dual springs?

Thanks, Joe Bowen silly

<small>[ April 06, 2003, 08:32 AM: Message edited by: Joe 1320 ]</small>
 

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No, you don't want to use the spring cups with aftermarket springs, especially the dual spring units.
 

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No
 

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Discussion Starter · #4 ·
Kewl.... headbang I already had assembled one head without them and got paranoid that maybe I should have used them.
 
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