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Rocker arm fracture? Pics inside

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Old 03-20-2011, 01:37 PM
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Exclamation Rocker arm fracture? Pics inside
Working on installing my EFI connection coil/bracket and noticed through the oil fill hole a slight crack or flash on the rocker arm. Pulled the cover off and found two w/ this. SO, how serious is this? It appears all the way through but then again unsure. The 1st rocker in the pic is loose so I wiggled it to see if it was totally compromised and doesn't appear to be but still. Anyone seen this before?
Attached Thumbnails Rocker arm fracture? Pics inside-p1020058.jpg   Rocker arm fracture? Pics inside-p1020061.jpg   Rocker arm fracture? Pics inside-p1020065.jpg  
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Old 03-20-2011, 01:42 PM
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I would replace that as soon as possible. Only gonna get worse.
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Old 03-20-2011, 01:42 PM
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OUCH, that's not good!!

How many miles on them?
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Old 03-20-2011, 02:00 PM
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STOP! Do not restart till it is fixed. Make sure you check piston to valve, coil bind, and rocker travel
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Old 03-20-2011, 02:02 PM
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What arms are those? I hate aluminum.

I have some GOOD chromoly rockers for sale if you need them.
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Old 03-20-2011, 02:05 PM
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Originally Posted by gregrob
What arms are those? I hate aluminum.

I have some GOOD chromoly rockers for sale if you need them.
Thanks, figured it was what I thought. Good thing she ain't running to begin w/. LOL It came off the dyno late last summer, went in the garage and went to restart it a couple weeks back and the opti died. Perfect timing. 1K on them. Engine built back in 06 but don't get to mess w/ it much from always working on it or something broke. LOL

I want some Comp mags. What ya got Greg?
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Old 03-20-2011, 02:08 PM
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I have Ultra Pro Mags 1.6 7/16 stud NSA.

Very little time on them.

The Ultras are a lot better design than the older ones imo. Lighter and more rigid.

They have Comps lifetime warranty too
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Old 03-20-2011, 02:15 PM
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Originally Posted by gregrob
I have Ultra Pro Mags 1.6 7/16 stud NSA.

Very little time on them.

The Ultras are a lot better design than the older ones imo. Lighter and more rigid.

They have Comps lifetime warranty too
What ya want for them. Mind if I see some pics? Thanks!
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Old 03-20-2011, 02:19 PM
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250. I've been trying to get my buddy who's working on the car to take some pics. I just asked him again. Ill get them asap. They're in perfect shape
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Old 03-20-2011, 02:29 PM
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pm sent
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Old 03-20-2011, 02:34 PM
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Yea I wouldn't start the engine before that's fixed. I assume you have some significant seat pressure with the engine being setup for boost and might have led to the fracture you see. I would hope the ultra mags won't have any issues....mainly because I have them on my new build lol. Good thing you caught it before it became a big problem.
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Old 03-20-2011, 02:39 PM
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Originally Posted by Blackbirdws6
Yea I wouldn't start the engine before that's fixed. I assume you have some significant seat pressure with the engine being setup for boost and might have led to the fracture you see. I would hope the ultra mags won't have any issues....mainly because I have them on my new build lol. Good thing you caught it before it became a big problem.
Yeah, no ****. May have become a REAL expensive issue vs what it is right now. Makes me wonder how long I've been ridng w/ like that.
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Old 03-20-2011, 04:52 PM
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+1 on the Ultra Pro Mags... Especially with the street use I know you have planned. Replied to your PM on PCLSx.
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Old 03-20-2011, 05:48 PM
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Call up comp and get new ones sent out, then put them up on ebay.
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Old 03-20-2011, 06:25 PM
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Originally Posted by speed_demon24
Call up comp and get new ones sent out, then put them up on ebay.
What? Put those POS on ebay knowing they're jacked up? Nah, can't do that. May sell the remaining 6 but hell, I haven't even lifted the ds vc yet. Who know's what's going on that side. LOL
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Old 03-20-2011, 06:55 PM
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i think he meant call comp and have them replace the bad ones, then turn around and just sell them on ebay. I dont think he meant to sell them as is and list them as fine. I could be wrong though. Im not into screwing people like that.
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Old 03-21-2011, 09:47 AM
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Got ya. I'll see what they say. Thx
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Old 03-21-2011, 10:40 AM
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damn I always peer into the oil fill hole when ever I take the cap off too but holy **** you have some good eyes to spot that! good catch, coulda gotten ugly!!
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Old 03-21-2011, 05:53 PM
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Ive had a chromoly pro mag break. Now I run Stainless steel high tech pro mags
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Old 03-21-2011, 05:56 PM
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Originally Posted by 95chevyz28
i think he meant call comp and have them replace the bad ones, then turn around and just sell them on ebay. I dont think he meant to sell them as is and list them as fine. I could be wrong though. Im not into screwing people like that.
This. Comp is pretty good about replacing broken parts.
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