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Need Help HKS 272's Stock Valve Springs

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Old Aug 5, 2008 | 06:24 PM
  #1  
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Need Help HKS 272's Stock Valve Springs

I bought my evo about 2 months ago with HKS 272's and it still has stock lifters, valve springs and retainers. How long will this last? Any suggestions?
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Old Aug 5, 2008 | 06:34 PM
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I have over 30k miles no problems.
Next time just search, it's been covered many times.
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Old Aug 6, 2008 | 08:39 AM
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HKS 272 are fine with stock valve train
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Old Aug 6, 2008 | 08:44 AM
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i am running the same setup...no problems so far
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Old Aug 6, 2008 | 08:45 AM
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A long time. None.
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Old Aug 6, 2008 | 06:05 PM
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Thanks guys I have a valve tap so just a little scared. Sorry about the question. New to the forum. I shouldn't go past stock redline right?
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Old Aug 11, 2008 | 03:35 AM
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Originally Posted by EvoOttod
Thanks guys I have a valve tap so just a little scared. Sorry about the question. New to the forum. I shouldn't go past stock redline right?
Keep it under 8k
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Old Aug 11, 2008 | 10:14 AM
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Seriously man this topic has been beaten to death for sure. The HKS will be perfecty fine on stock valvetrain NO PROBLEM. I too am running HKS 272's you should have no worries.
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Old Sep 18, 2008 | 08:18 AM
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Originally Posted by ROGERV
I have over 30k miles no problems.
Next time just search, it's been covered many times.
Sorry a little of topic but ...

Shouldnt you be making a whole lot more power on that 20g on those boost levels ? I think people are making those numbers on the 16g.
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Old Sep 22, 2008 | 05:24 PM
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Originally Posted by Dsmhater
Sorry a little of topic but ...

Shouldnt you be making a whole lot more power on that 20g on those boost levels ? I think people are making those numbers on the 16g.
It was done on a Mustang Dyno. They read very low.
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Old Sep 22, 2008 | 05:28 PM
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your good to go man, I ran my 272's on the stock valve train for 20k miles and never had any problems
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Old Sep 24, 2008 | 02:28 PM
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i make 400hp on a dynojet with this cams and a 20g at 22psi with stock valvetrain for a while.
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Old Sep 25, 2008 | 04:59 AM
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I run HKS 280's, 22 psi, with tune. No problems for 22,000 miles....except for lopy idle.
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Old Sep 25, 2008 | 01:38 PM
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No problems unless you go a lot bigger with lift
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Old Nov 13, 2008 | 12:18 PM
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Originally Posted by denver
HKS 272 are fine with stock valve train
+1.

watch out for the cossie's or kelfords though. you'll need to upgrade.
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