1988 GMC C1500 - Z06 Package!

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PolarBear

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Is that the easy visual cue then? Captured vs non? Because I could swear the change happened closer to 2002.

Looking at the rocker arm, from the fulcrum out, you can see the needle bearing ends, while looking in towards the fulcrum at the rocker body, you'll see a cap.
 

PolarBear

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Today's deal of the day, via Facebook Marketplace:

A running LC9 5.3 for $240, even came with the LS3 style coils.

Plan is to rob the 799 heads for the 6.0 I'm going to build with a mild cam for the 03 GMC. Coils are being used on the LS6.

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PolarBear

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Prime example of why its imperative to chase the head bolt holes and blow them out with compressed air when replacing heads / gaskets / head bolts on an LS.

Exhibit A.) Someone replaced just the passenger side head, ram rodded the head bolts into coolant filled holes. Boom! Cracked liner on #4 from hydraulic force.

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PolarBear

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Looking at the rocker arm, from the fulcrum out, you can see the needle bearing ends, while looking in towards the fulcrum at the rocker body, you'll see a cap.

Revisiting this conversation, these are 2012 5.3 rockers, this bearing end cap is the same as the earlier pieces, which can and will fall out and spill the needles.

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Supercharged111

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Revisiting this conversation, these are 2012 5.3 rockers, this bearing end cap is the same as the earlier pieces, which can and will fall out and spill the needles.

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I thought about this last night but was too lazy to yank a valve cover off the LM4 on the stand. I'll try and post a pic tonight.
 
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