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Heads up guys
So I had a Scorpion rocker arm break on me. It didn't break at WOT, racing or anything like that - It broke under the lightest drving conditions possible. I was cruisin down the freeway with the cruise control set. The check engine light started to flash, I turned the radio down and heard a loud ticking noise then I was stranded at a gas station for 8 hours. Here's what I found when I pulled the valve covers. Thought you all might be interested in this......
http://www.ls1truck.com/upload/files/345/GEDC0136.JPG
http://www.ls1truck.com/upload/files/345/GEDC0134.JPG
http://www.ls1truck.com/upload/files/345/GEDC0128.JPG
http://www.ls1truck.com/upload/files/345/GEDC0126.JPG
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notice the pushrod shot right through the back of the rocker
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Damn, at least no further damage was done.
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overtorqued wouldnt cause that?
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That sucks man. Glad it didnt take anything else with it
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Well ive never like the idea of aluminum rockers for a DD.
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That's a common failure point on the Scorpions. Why 1.8:1 rockers? The added load from increasing the ratio from 1.7 to 1.8 put a lot more stress on the rockers. If you want more lift you should get a bigger cam.
Bummer deal on the busted rocker, I have the 1.7s on my 408. :sad:
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DANG! Good thing it was only that and it didn't cause anything else... What happened to the piece that broke off? Chewed up by a valve spring or other rocker? Mess up any valves? If not, you are one lucky SOB.
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well that sux doode, sorry to hear it