Rocker change
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Can 1.8 rockers be installed on a stock (intake and exhaust only) 99 LS1 without changing the springs? It is an auto that shifts at 6200. I was looking at the LS7 or simular rockers as a minor performance upgrade instead of changing the cam.
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Originally Posted by 2000Firehawk
the LS7 rocker won't work.
https://ls1tech.com/forums/showthrea...&highlight=pic
https://ls1tech.com/forums/showthrea...&highlight=pic
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Originally Posted by 618HAWK
Yes they can but it is best to upgrade the springs as well. For that HI of rpm you are pushing, I would most defiantly go with the better springs, retainers and locks.