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Old 06-07-2010, 07:51 AM
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Shaft mount rockers VS stud rockers?

Hey guys. I was wanting to know if there is an advantage or disadvantage to using a shaft mounted roller rocker instead of a stud mounted roller rocker? I am in the process of putting my race motor back together, and was thinking of getting shaft mounted roller rockers instead of using my stud mounted roller rockers with my stud girdles. Any ideas would be helpful.

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Old 06-07-2010, 09:39 AM
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shaft mounted rockers work well and can handle hi rpm but so can screw in stud mounted rockers. its all about how much you want to spend.....
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Old 06-07-2010, 05:40 PM
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Shaft systems are more stable and usually stronger, and won't need guideplates.

If you are starting from a bare head you can get into good sportsman level shaft systems from Yella Terra or Probe for only a small amount more than what it takes to buy all the pieces for a girdled stud mount set up.

Your decision would be based on how well what you have been using has been holding up, along with the question "will they hold up" if you have upped the power/cam size/springlbs during this rebuild. If you think what you have been using looks fine it won't make sense money-wise to change, unless you feel they have enough run time that it would be prudent to replace them, or you flat figure your rebuild changes may overstress them.

Probe and Yella Terra are both pretty nice pieces
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