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 EVT Dual Valve Springs 
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Matt
MMT Pro Member

Joined: Tue Jan 13, 2009 5:39 pm
Posts: 190
Location: Chauvin,La.
Post EVT Dual Valve Springs
Anyone running these? What is the deal with the shims that are with them? Thought the point of the dual spring was so no shim was needed?
Mon Apr 20, 2009 11:52 am
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Silkpower
MMT Member

Joined: Wed Jan 14, 2009 4:18 pm
Posts: 18
Post Re: EVT Dual Valve Springs
`Dual springs are needed to control large cam lift & fast ramp rates
as well as heavy rockers & push rods.
we use the shims to set the seat presure to prevent valve bounce in the
seat. ( do not use dual springs on a stock cam) :D
Mon Apr 20, 2009 1:35 pm
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Matt
MMT Pro Member

Joined: Tue Jan 13, 2009 5:39 pm
Posts: 190
Location: Chauvin,La.
Post Re: EVT Dual Valve Springs
I have the cam you sell, how many of the shims would you recommend or how much seat pressure is required?
Mon Apr 20, 2009 3:06 pm
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