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Old 11-01-2002, 03:31 PM
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Post 1.6 Ratio Rocker Arms

I have stock heads with 1.94/1.50 valves, Z28 springs with .500 max lift and High Energy Pushrods. What's your opinion on the 1.6 rocker arms? Are they worth getting? I was looking at the Comp. Cams Magnum ROller Tip Rockers Arms. Does anyone have any ideas on these or other rocker arms? <img src="graemlins/mwink.gif" border="0" alt="[mwink]" />

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Old 11-01-2002, 03:48 PM
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1.6 rockers are a good way to get a little more lift out of your cam and not screw up the duration a lot just make sure you can use the lift with your combination. watch for coil bind and retainer guide and seal compatability
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Old 11-01-2002, 08:55 PM
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Seems to me that ratio'd rockers (other than stock), are for maintaining correct valve train geometry. Smaller base circles with lot's of lift are something that comes to mind. Although I have seen a few people use them on stock or mild grinds, I still can't imagine them being good on the guides.
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Old 11-02-2002, 08:57 AM
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1.6 rtio rockers have no effect on the guides. the pivot point and valve contact are the same as 1.5, valve guide wear happens when the basic setup is wrong. then any ratio is wrong.
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Old 11-02-2002, 02:55 PM
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So what your saying is, that they move the pushrod socket/cup closer to the pivot in order to get the higher ratio?
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Old 11-02-2002, 03:10 PM
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YES
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Old 11-02-2002, 05:55 PM
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finney i would pay attention to what bob said about checking for coil bind etc because .500 is about it for some stock heads, adding 1:6 is going to be like more lift , as you probably go Duh!
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