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New Scorpion Performance Roller Rockers?

 
Old 07-14-2007, 03:20 PM
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Default New Scorpion Performance Roller Rockers?

Anyone have them installed yet? Can you give me some input on how they are? Any gains? Do you have to change valve springs on a stock motor when you install them? Thanks.
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Old 07-14-2007, 03:49 PM
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subscribing becuase i just saw them on tv and was wondering the same thing
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Old 07-14-2007, 04:59 PM
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Some guy with a corvette had those Scorpion Rockers placed in his ride.Something went wrong with one of the rockers and they were chewed up. He call the company,and they replace the rockers for free.Their is a thread in here about them rockers.
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Old 07-15-2007, 11:07 AM
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http://forums.corvetteforum.com/show....php?t=1753109

Almost all of them had cracks. If I had to guess, from the pic it looks like inferior casting is to blame.
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Old 07-15-2007, 11:44 AM
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did they get better casting?
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Old 07-16-2007, 05:04 AM
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Originally Posted by Dan_the_C5_Man
http://forums.corvetteforum.com/show....php?t=1753109

Almost all of them had cracks. If I had to guess, from the pic it looks like inferior casting is to blame.

I didn't mention it in the other thread, but it does look like a casting break. I posted the Crane photo's because it looks like the Scorpion's don't have much material in the area either.
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Old 07-16-2007, 04:52 PM
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I would pull the head and check for piston/valve damage. He does not even know what ratio he got, with his cam he could have had issues with piston/valve.
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Old 07-16-2007, 09:48 PM
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Originally Posted by davered00ss
I would pull the head and check for piston/valve damage. He does not even know what ratio he got, with his cam he could have had issues with piston/valve.
doubt it. he said 8000-9000 miles on them.
http://www.ls1.com/forums/showthread...9&goto=newpost
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