broken rocker arms, does it mean bent valves ?
#1
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broken rocker arms, does it mean bent valves ?
Guys, I need your advice, I have an evo 8 with kellford tx272 cams, I had a problem with rocker arms, they broke and felt apart. Does this mean that I need to change valves as well ?
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Oil pressure was good, springs ...cant remember wich ones and the engine was spinned to 8500 revs.
The only question do the valves get damaged, when rocker arms fall apart ?
Last edited by YaroRS; Sep 17, 2011 at 04:40 PM.
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#9
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lets see if the rocker arm breaks depends on where the shrapnel gets lodged, could get lodged in the valve spring and cause an issue or any other place, the rocker arm also breaking could keep the valve seated open or close depending if it has pressure in the lifter. Theres numerous things that can be damaged by that, best bet is when you pull valve cover to inspect it check for metal shavings, another trick you can do is whereever the rocker arm broke, put an adjustable height pen magnet around that area, without touchin the head, if theres any debris that should help to pick up as much as possible. Was it just one rocker arm specifically?
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lets see if the rocker arm breaks depends on where the shrapnel gets lodged, could get lodged in the valve spring and cause an issue or any other place, the rocker arm also breaking could keep the valve seated open or close depending if it has pressure in the lifter. Theres numerous things that can be damaged by that, best bet is when you pull valve cover to inspect it check for metal shavings, another trick you can do is whereever the rocker arm broke, put an adjustable height pen magnet around that area, without touchin the head, if theres any debris that should help to pick up as much as possible. Was it just one rocker arm specifically?
#11
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wow several rockers, thats not good, shrapnel isnt a good sign, if it gets into one of the oil galleys, thats gonna mess some **** up bad. best bet after swappin rocker arms, is to put an oil system cleaner in, try runnin it for a bit, then change the oil to say the least....good luck man. Unfortunately for the customer it might come to havin to remove the head.
good luck
good luck
#12
Evolving Member
AFAIK rocker arms were not broken, but the rollers on several rocker arms just fell apart.
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