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What diameter dual spring ?

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Old 02-16-2004, 07:43 PM
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Question What diameter dual spring ?

Heads will be LS1 5.7's Stage II's w/ 2.02 & 1.57 valves. Cam is a .605/.612 lift. What diameter spring do use with stick seats? ...also does Crane make a dual spring I can use, if so, whats the part number?

Last edited by Jimmyz; 02-16-2004 at 08:33 PM.
Old 02-16-2004, 08:01 PM
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see thunder racings site, they have both the CC and Cranes. Cranes are cheaper I think. Lift what is determines how much spring pressure you need. Might call them and see what would work best for you.
Old 02-16-2004, 11:08 PM
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running duel crane on stock heads ( do not know # (running 231/237 595/598)think cranes good for .650 chk with Jason @
http://www.texas-speed.com
Old 02-16-2004, 11:44 PM
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im running the cranes with a 595 lift cam, no issues so far
Old 02-17-2004, 07:19 AM
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This is great info but no one's answering the question. What diameter is the spring? Or what is the part number from Crane?

Thanks.




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