ls9 cam spec card

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03-01-2010, 09:40 PM

nitrouspaul

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ls9 cam spec card

i am running the ls9 cam in a turbo ls2 and there is no cam card anywhere. I want to know what the spring pressures should be seated and max lift which is .560 i will be turning it 6600

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03-01-2010, 09:51 PM

blackLS1m6

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The valve spring installed height is 1.800". The valve spring load closed is 90lbs @ 1.800". The valve spring load open is 298 lbs @ 1.240"

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03-01-2010, 09:51 PM

King Nothing

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211/230 .562/.558 not sure what LSA though

edit:my bad i only read the first sentence lol

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03-02-2010, 06:13 AM

nitrouspaul

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298 open? will definitely valve float with that, damn the stock ls6 cam has more than that

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03-02-2010, 06:31 PM

blackLS1m6

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yeah thats straight from GMs spec sheet for the ls9

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