broke a rocker
broke a rocker last year while coming home from the store, i rev matched to down shift and a rocker snapped. with the setup i have in my sig, should i upgrade my stock rockers?
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http://www.cranecams.com/uploads/instructions/13e.pdf
Since stock rockers are pretty stout the odds are that you simply got one that had a structural flaw in the metal.
I would upgrade the trunions and stick with stock rockers unless you have some exotic valve springs/pressures.
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400 is the most open pressure you want to run on stock rockers. Much more and valve tip damage will occur as well as rocker failure. You need a good roller rocker with that kind of pressure.
I thought the maximum open spring pressure for stock rockers was something higher than 400 pounds based on some folks returning to stock rockers after breaking Yella Terras while running open spring pressures higher than 400 pounds.
Jesel Sportman shaft rockers are rated to 900 pounds.
Jesel Sportman shaft rockers are rated to 900 pounds.
Last edited by Darkman; Mar 7, 2012 at 09:23 PM.
i think the rocker is actually sitting on the floor in my car, when i get it out of storage ill take some pics. and if i had to take pics everytime i broke something and post about it, id be a damn post *****!
Thats funny, between three of us running scorpions on fairly radical solid roller sbc for 4 years now, not a single failure. Im talking 290 seat and close to 700 open, 7200 and 8000 rpm applications. Maybe theres a design flaw in their LS version???? Any personal data on this or are you quoting hearsay about scorpions?
Thats funny, between three of us running scorpions on fairly radical solid roller sbc for 4 years now, not a single failure. Im talking 290 seat and close to 700 open, 7200 and 8000 rpm applications. Maybe theres a design flaw in their LS version???? Any personal data on this or are you quoting hearsay about scorpions?