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Thread: Broken rocker arm

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Posts: 1-3 of 3
2009-03-27 18:02:58
#1
Broken rocker arm
Hey

Broke one of my rocker arms just now while doing 0-60mph when hitting rev limit at 1st gear. (7200 rpm)

Noticed that it only ran on 3 cyls, drove it carefully home and picked off the valve cover. remover the cam, changed the rocker arm. Mounted it up again and its still running on 3 cyls. Sounds like it lacks compression on one cyl as well.

What i'm wondering about is, what is the most "common" damage done by a shattering rocker arm at rev point.? Could it be a broken lifter? as simple as that? I'd hate to pick off the cyl-head since it's been on for two weeks. :P

I need experiences here.
2009-03-27 18:51:48
#2
Problem solved.

One of those damn lifters didnt function as it was supposed to. After running it for 10 minutes, it gave after, and the car ran like it was supposed to again. Long live Nissan!
2009-03-27 23:40:18
#3
Yea, sometimes you get lucky ... we broke all 8 of them on my brothers DET on a mis shift at the track ...Replaced all the rockers and upgraded to S3's since we nicked the cams and all ran as new !!
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