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Originally Posted by turbolarry
If your car is going to require springs and retainers is really up to you and what you do with your car. If your looking for all out power you need them. If your diciplined enough and keep the revs down you can get away without them.
I've been running straight 264's from GSC daily for 10,000 miles on the stock valvetain. I keep the RPM's below 7200 and I have no problems.
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I guess you're right. Whether or not I'll need springs or retainers is up to me. That's the great thing about building a car. There isn't always one right way to do things. If there was we could all just follow the same exact recipie and end up with the exact same car. But all warm fuzzy feelings aside, you guys haven't really heard much about the retainer to valve seal contact theory? If you haven't I'm guessing it's not very widely accepted. I guess I'm leaning towards replacing springs and retainers at the same time i do cams because if cams move my powerband upwards I guess I'd like to take advantage of it by being able to rev a little higher, for which i'd need to upgrade springs. But then I'd need special tools to change them out, not to mention an extra $200-$300 to purchase them.....
Here is the thread debating the retainers/valve seals contact issue
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http://forums.evolutionm.net/showthread.php?t=117752
