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evo 9 HKS cams question?

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Old Jan 27, 2015, 10:41 AM
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evo 9 HKS cams question?
If someone can help me. I bought a HKS 272 cams intake 10.8 lift and 278 exhaust 11.0 lift and wanted to know if I need to mount valve spring.

Thanks
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Old Jan 27, 2015, 11:01 AM
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absolutely not. those are very mild for a 272.
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Old Jan 27, 2015, 01:17 PM
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Originally Posted by kaj
absolutely not. those are very mild for a 272.
So true.
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Old Jan 27, 2015, 01:29 PM
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Ok no valve spring for 272 but the exhaust is 278?
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Old Jan 27, 2015, 01:46 PM
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Originally Posted by piponpi
Ok no valve spring for 272 but the exhaust is 278?
i'm not sure, but the ramp up rate and lift are very safe.
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Old Jan 27, 2015, 02:05 PM
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Originally Posted by piponpi
Ok no valve spring for 272 but the exhaust is 278?
I had those on stock springs 276/278 hks
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Old Jun 3, 2015, 03:05 PM
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you are looking at two different gens of hks cams, the 272 is gen 1 are requires no changes, the 274/278 are second gen and require a spring change.. I have used both and currently use the 274/278 so I speak from experience. good luck.
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Old Jun 3, 2015, 05:31 PM
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you'll be fine. those are milder than my kelfords and i run stock springs. however, i will upgrade mine before my turbo upgrade.
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