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Valvetrain upgrade

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Old Jun 1, 2020 | 04:01 PM
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C5forever79's Avatar
C5forever79
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From: Winder, GA
Default Valvetrain upgrade

Hello. I have a 2004 C5 I been reading about the valvetraine failure. I wanted to upgrade my springs rockers and pushrods.
Do I need to replace lifters to since I will replace the push rods.
is there a full kit I can buy even if it comes with a small cam for street with manual transmission is ok. Any input would greatly be appreciated.

Last edited by C5forever79; Jun 1, 2020 at 04:01 PM.
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Old Jun 1, 2020 | 04:17 PM
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Over the winter, I upgraded to Pac 1219 springs, a Z06 spec cam, and Tick 7.4 pushrods. So far, so good.

No need to do the lifters, assuming no current issues. If you want to do the lifters, then consider upgrading or having the heads freshened.

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Old Jun 1, 2020 | 04:24 PM
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C5forever79
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Awesome. Thanks for feedback. No current issues. I'm not ready to remove heads yet unless doing a cam. It has 72k miles on it right now.
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Old Jun 1, 2020 | 04:27 PM
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Originally Posted by C5forever79
Awesome. Thanks for feedback. No current issues. I'm not ready to remove heads yet unless doing a cam. It has 72k miles on it right now.
Yeah, if you go in that far, might as well do the cam and HB replacement, all together.
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