You should use the springs recommended by Lunati. Their website doesn't seem very user friendly for fins=ding the recommended components. According to an old cataloge I have the correct springs should be #73943 and retainers #75704. The locks are #77003. You can also buy what they call a valvetrain kit, which includes everything but the cam. That is under #73943K1LUN. I would suggest contacting Lunati Tech dept to verify those numbers.
As for the pushrods. To be absolutely correct, the length should be checked once the cam, lifters, springs and retainers are installed.
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Originally Posted by SilverMiner
Well, I've decided to install the Voodoo 10120701 kit with new lifters. I also wish to replace and upgrade the springs, but I'm not sure what to buy. It's a case of Summit offering TOO many options, and as an uneducated buyer I'm lost. One nice thing about the Crane and Comp kits are that they offer one complete with springs.
Is there any reason to also replace the pushrods? My existing ones appear fine, although I haven't measured them yet. But new ones seem cheap.
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