Generation III Internal Engine 1997-2006 LS1 | LS6
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Rocker change

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Old May 6, 2006 | 07:19 AM
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Default Rocker change

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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Old May 6, 2006 | 07:28 AM
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the LS7 rocker won't work.
https://ls1tech.com/forums/showthrea...&highlight=pic
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Old May 6, 2006 | 09:21 AM
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Originally Posted by 2000Firehawk
I'm wondering if shimming the stands, a lot, would bring them into line?
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Old May 6, 2006 | 09:33 AM
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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.
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Old May 6, 2006 | 10:19 AM
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when i put on rockers, i put on ls6 springs.
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Old May 6, 2006 | 10:40 AM
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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.
That's what I was afraid of; This is my brothers car, and he is really only interested in "bolt ons" He will never do H/C. I had read a couple of post where guys were trying the exhaust rocker from the LS7 with some luck. I don't really understand why chevy won't make a 1.75 rocker for their "performance parts group"
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Old May 6, 2006 | 10:49 AM
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Look around, someone might still have a set of SLP 1.85's
Same design as stock but higher ratio.
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