cam question
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cam question
I have a 2001 silverado with the 5.3 its tuned has a cai and exhaust. But here lately I have been wanting to do a little more I found a medium size garret turbo i am buying (family deal) and before I do that I am wanting to change the cam what lift duration can I use on stock valve springs? i dont want anything radical just a little bit more than stock. also do i HAVE to remove the heads to change the cam? thanks
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They are in cups, once you pull the rockers and pushrods out, all you have to do is spin the engine over a couple of times and the lifters should stay held up by the cups. They make a tool that fits in two holes in the front of block to make sure they don't fall, but you can just use good sized dowel rods.
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They are in cups, once you pull the rockers and pushrods out, all you have to do is spin the engine over a couple of times and the lifters should stay held up by the cups. They make a tool that fits in two holes in the front of block to make sure they don't fall, but you can just use good sized dowel rods.
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