LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

valve springs and pushrods question

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Old Dec 3, 2003 | 11:25 AM
  #1  
PaulN64's Avatar
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From: Macon,GA, USA
valve springs and pushrods question

I'm going to be installing some crane gold 1.6 full rockers and I'm going to go ahead and buy some new springs and pushrods. Any suggestions what/where I should get? I'm not familiar w/ this at all so any help will do.
Old Dec 3, 2003 | 11:28 AM
  #2  
b84camLT1's Avatar
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Are you still running the stock cam? As far as i know the LT4 springs are about the only decent ones that will fit the stock heads w/o machining. They're only like 30 bucks, so wouldn't hurt to pick some up.
Old Dec 3, 2003 | 12:13 PM
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check out Combination Motorsports, they'll have what you need a good prices....great service too

www.cmotorsports.com

Last edited by KY95Z28; Dec 3, 2003 at 12:32 PM.
Old Dec 3, 2003 | 12:39 PM
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Are you going self align or non?
Old Dec 3, 2003 | 03:06 PM
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I used some Speed Pro stock replacement rods for mine a week ago. Just remember you can't just "throw new springs in while I'm in there", it will add an easy 3+ hours to the install.
Old Dec 3, 2003 | 04:30 PM
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I have some springs and pushrods for sale that you could use...

http://web.camaross.com/forums/showt...hreadid=197439
Old Dec 3, 2003 | 05:42 PM
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Think long term if you're shopping for springs and pushrods. You don't want to be limited if down the road you do a cam and LT4 springs may not be able to handle the lift and spring pressures.

Go with a set of Crane valvesprings #10308. It's a kit that includes dual valvesprings, steel retainers and will bolt on without machining the spring pocket area on your heads. Make sure you get them setup with the right installed height and spring pressures. You want more spring pressure with the valve closed (stk is like 75-80lbs at the seat, mine are setup around 125 lbs at the seat) and you're go to go.

For pushrods, once the springs are installed and your rockers are on, use a pushrod checker to get the right length pushrods and get a set of Comp cams chrome moly pushrods if you're doing self-aligning rockers or hardened pushrods if you're using guideplates with non-self aligning rockers.

My setup has Crower SS self aligning rockers, crane valvesprings and retainers, and comp cams pushrods installed 3 years ago no problems at all. Everything works.
Old Dec 3, 2003 | 11:54 PM
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PaulN64's Avatar
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Originally posted by WS Sick
Are you going self align or non?
self align
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