Pontiac Firebird 1967-2002 Birds of a feather flock together

valve spring

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Old 10-09-2011, 11:52 PM
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I have a stock 02 trans am and my exhaust valve spring broke on cylinder one. I already replaced the spring with a factory one, but do you thing i should replace the intake also on that cylinder??
Old 10-10-2011, 07:28 PM
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I would say no . But the biggest question was the spring that broke stock? still running stock cam etc. Why did the spring break ?
Old 10-11-2011, 04:12 PM
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If your stock cammed then I wouldnt bother call it a freak occurance. if you have a high lift cam then you might want to replace them all and or upgrade when you get .600lift and alot of RPM there is a lot of stress on them.
Old 10-12-2011, 05:53 AM
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The engine is completely stock, I believe I over revved the engine or held it in a high rpm for a little too long LOL. I thing thats why it broke. I have had friends tell me it happens and it may be a freak occurance also. I bought two springs and replaced the broken one already, i figured since i have it apart, might as well change the intake valve spring on that cylinder also.




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