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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-25-2010, 12:16 AM   #1
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Default Modded Retainers

What'* the scoop on modded retainers? I saw a deal with the valve springs I wanted. Are they prone to breaking? I know they give me clearance, but doesn't that mean shaving normal retainers? Thanks guys can't wait to get my build on the road. Idk if B.B. is though
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Old 02-25-2010, 12:34 AM   #2
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Modded retainers just give a bit more clearance so your less likely to damage the valve seals.
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Old 02-25-2010, 12:35 AM   #3
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They are not weaker?
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Old 02-25-2010, 12:35 AM   #4
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Not that I know of.

Edit: I'm running them with #105 for about 3 years now, no problems.
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Old 02-25-2010, 07:20 AM   #5
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I run Intense'* LS style retainers with 130# springs. No problems or issues.

Comp Cam springs were breaking since they've moved production to Mexico a little over a year back. LS6 springs apparently break often on Vettes and most 3800 guys haven't noticed it yet. And ZZP retainers are milled, I've seen a couple guys that had issues with stock rockers scuffing them. It'* probably a lock/retainer combination that hasn't been documented much. But there can be an issue.

If I were buying. I'd pick the stuff up from Intense and get Crowe 105# springs as they are easiest on the timing chain and their LS style retainers. Valve seals are a good idea at the same time, buy those from ZZP and not Intense. I was unable to install the Intense ones. Pretty sure Dan fought them as well.
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Old 02-25-2010, 08:02 AM   #6
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Never got the intense ones to work. Get the vitron seals from ZZP
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Old 02-25-2010, 09:43 AM   #7
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LOL Dan, I was hoping for something more colorful
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Old 02-25-2010, 12:13 PM   #8
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K yeah I was getting seals too, was looking at Fel Pro for those.
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Old 02-25-2010, 01:42 PM   #9
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either make sure they look like ZZP'* upfront or just order the ZZP ones. And if you do, count them the second they arrive. Of the three times I've only had one package that counted right..
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