LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Roller rockers and springs?

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Old 08-11-2003, 03:00 AM
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Roller rockers and springs?

Well after i get my as&m headers which is real soon i am gonna get a cam. Probably the cc305 or the xe 224/230 lsa 114. I have emissions to deal with. I'm leaning more towards the cc305 though. But before i do that i was thinking i should install 1/6 rr, and new valve springs so i won't have to do it all at the same time. How hard is the install of the rockers and springs? Also would i notice a difference after the install with the stock cam? If so what kind of difference? Thanks.
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Old 08-11-2003, 07:18 AM
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I'm gonna estimate 2.5 hours for you to get the covers off and swap all the springs. Then 1 hour to adjust the rockers and close it back up.
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Old 08-11-2003, 11:39 AM
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Is there any noticable gains without the cam?
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Old 08-11-2003, 11:59 AM
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7-15 rwhp depending on how tired the stock springs are.
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Old 08-11-2003, 12:14 PM
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Re: Roller rockers and springs?

Originally posted by drewstealth
Well after i get my as&m headers which is real soon i am gonna get a cam. Probably the cc305 or the xe 224/230 lsa 114. I have emissions to deal with.
Both of those will pass emmissions....I would do the 224/230.
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Old 08-11-2003, 12:42 PM
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If you have never installed springs before then I would estimate your install time a little higher...around 5-6 hours. The springs on the back of the heads are a little tricky to get off. Do yourself a favor and get either the Moroso or ProForm stud mount spring compressor. I had a serious SOTP difference after putting on dual valve springs and CC Pro Magnums. Definitely worth all the trouble.
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Old 08-11-2003, 12:56 PM
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Actually I based the spring time on me installing my springs last night for the first time. I guess a lil longer is in order to get the tools out ect. I usually work real slow at first then get goin. The rocker adjustment i didn't do yet on my car, but i've done it on a jeep. I don't think 5-6, but maybe a comprimise of our time estimates.

I bought a cheap Lislie (sp) tool at pep boys. I think it is the same design as the Moroso, but i'm not sure. With a couple of tweaks it works great. After the 4th spring, i decided the tools lever with cam action had way to much friction even after i lubed it. You also didn't really get enough leverage with the handle. It comes with a bolt to use a wrench on instead of teh handle for working in tight areas. It needs a 1/2" longer bolt, and grind a lil inward bevel onto the top feet that push down to keep them from slipping off. I'd rather buy the cheap tool and take 5 minutes to modify it to work well then buy an expensive one. It worked better after i modded it, just like an fbody, hahha.
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Old 08-11-2003, 03:28 PM
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Okay so i was looking on thunder racing. Do i want cc pro magnum self-aligning or non-self aligning? Also which valve springs would be the best to get, and do i gotta get new pushrods? Which would be the best to get with those also? It will either be for a cc305 or the 224/230 on a 114 lsa. So would the same valve springs and pushrods(assuming i gotta get those) work for either one? Thanks for the help.
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Old 08-13-2003, 02:43 AM
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anybody?
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Old 08-13-2003, 09:23 AM
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Ok, you want the self aligning rockers. As for valve springs, there are lots of good ones out there. I would talk to Comp or also try Combinationmotorsports (www.combinationmotorsports.com), they have a spring set out that is good to like 0.600" lift i think for a resonable price and requires no machining. As for pushrods, you dont necessarily need them, but for $30 bucks or so wouldnt you rather have the piece of mind? I would go with Comp chrome moly rods probably. Yes, the same valve springs and pushrods will work with either cam. Hope I helped.
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Old 08-13-2003, 01:59 PM
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Yeah you helped thanks.
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