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Are these springs good enough for me??

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Old Oct 17, 2007 | 11:43 AM
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Default Are these springs good enough for me??

off 243 casting 2005 corvette heads, but they are the same yellow springs found on the C5 Z06's

max lift ~.580

O.D
I.D:
seat pressure: 90 @ 1.800
open pressure: 294 @ ?


Would these springs work well enough for the cam I'm putting in??
(218/224 .555/.556 115+4)

Would they fit on my 853 heads on my 99 z28 just how they come??
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Old Oct 17, 2007 | 11:59 AM
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Most people say those are good for .550 max lift. I've never personally checked the coil bind on those springs to verify how much lift they can take w/o binding. I run them in my 5.3, but w/ only .510/.511 lift. Measure your your actual installed height(probably 1.77) and the coil bind of the spring.
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Old Oct 17, 2007 | 12:10 PM
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well I'm clueless when it comes to that kind of stuff, that's why I'm asking if these springs will work well for me
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Old Oct 17, 2007 | 12:33 PM
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I just did a search and found the coil bind is 1.16. So you should be okay.
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Old Oct 17, 2007 | 02:34 PM
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thanks a lot, I appreciate it! Soo hmm there's some of these springs in the used section for $70 shipped, but they have 8k miles on them. Hmmm you guys think I should buy em?? I'm kinda trying to do a budget build, but I wouldnt obviously want to do anything that's bad for my motor...
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Old Oct 18, 2007 | 11:37 AM
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any other opinions??
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Old Oct 19, 2007 | 11:44 AM
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come on cam/spring GODS!! I need more advice before I possibly buy these!!
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Old Oct 19, 2007 | 12:26 PM
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Would they work. Sure. If it was me I'd spend the extra 60 bucks and get a set of PAC-1218s from SDPC.
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Old Oct 19, 2007 | 02:16 PM
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Yep just decided to go with the PAC's. $129 bucks or whatever from SDPC is cheap and they are BETTER than the comp 918's... won't have to worry bout breakin em due to faulty parts
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