Best coil pack replacement?

[M3kanic]

Are you tuned? That is how I found out about intake leaking. It is not that hard to pull off. Even a complete novice can do it under 2hours, and that's being generous. Z71tahoe-suburban has good write ups you can fallow.

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[JubjubW]

Tuned? Nah truck is completely stock minus a drop in kn filter

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[JubjubW]

Well they did a compression test, checked out. Fuel delivery checked out. Electrical checked out. Before they dug more and racked up my bill they narrowed it down to mechanical and missing on 6 and 8. So could be a bad valve spring or a cracked head. Arrgh.

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[M3kanic]

Maybe trunion bearing. Ls are known for not being that great.

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[JubjubW]

Wait what? How would that affect my misfire

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[M3kanic]

They are the bearings that locate the rockers. If the end caps come off (the common problem) the needle bearings may fallout resulting in a valve not fully opening.

 

[JubjubW]

Ohhh I had something else in mind. I'll check all that when I rip it apart

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[M3kanic]

You should be able to take off a valve cover and see. Iirc comp cams makes some of the best trunion replacements for not that bad of a price.

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[JubjubW]

Thanks for the info. Hoping to get under the valve covers this weekend

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[JubjubW]

FINALLY got under the valve cover and all my springs are fine. It all looks fine too
I can however move some of my rockers by hand
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