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Old 08-03-2002, 10:06 AM
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Would running roller rockers be okay with out giude plates and screw-in studs? I'm trying to save the valve giudes, 234/244@.050 488'510 lift and 110# seat pressure at less than 6000 rpm

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Old 08-03-2002, 05:57 PM
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sure I have run them like that with no problem, but haven't used them on anything but small chevys so if you aren't running a sbc don't take my word for it but I can't see a problem with any other engine
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Old 08-03-2002, 06:15 PM
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I was always told if using over .500 lift on a cam use screw-in studs. But I too have never put that much cam in an engine without screw-in studs in the heads.
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Old 08-03-2002, 10:00 PM
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If you are running roller rockers, you need guide plates, otherwise your rocker arms will slide off the valve causing a lot of damage. There is nothing keeping it on center. There is one brand that makes roller rocker arms that you dont need guide plates with but all the others you do. Also, with guide plates you need hardened pushrods. The pushrods will constantly be rubbing against the guideplates and unless they are hardened will wear a hole or break your pushrods.
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Old 08-04-2002, 01:33 PM
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Hey Maniac! Are you sure? Because SBC have been running non-guided rockers for years relying on the cast-in head guides to center the stock rockers. So I'm thinking that it would work the same way, right?
what about running the later model self guidig rollers on the same thing?
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Old 08-05-2002, 09:05 PM
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I had the same exact cam in my 350 that was in my 81 camaro. Its the Edelbrock Performer RPM cam that is dyno tested to match the Performer RPM intake and head package to put out 420 hp. I used the cam and intake on my 350 with stock 1.94 valve 76cc heads with pressed in studs and performer valve springs with a set of aluminum roller rocker arms. I put about 20,000 miles on the motor and never had a problem. I drove it hard too. It put out about 375 hp with the 1.94 heads. I ended up selling the motor and the new owner hasn't had any problems eather. Just letting you know my experience with roller rockers, im sure they will work for you with no problem.
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