White Elephant 01 8.1 burb.

[Holey76 - Square Nut]

Gm put the wrong shape push rods in.View attachment 504431
The old exhaust rods were contacting the rocker at full lift.
Gm has a tsb on it. It's in the 8.1 sticky thread in engine room section

Musta sounded like an old worn out diesel

 

[imiceman44]

Musta sounded like an old worn out diesel

Not quite. It's more like a faint tick, diesel has a clack

 

[Wes Harden]

truthfully I was pricing lifters before I tore it down for inspection.

 

[imiceman44]

truthfully I was pricing lifters before I tore it down for inspection.

I need to do that to mine it already has the ticking, I just don't know the extent of the damage, it has 267k

 

[folkenheath]

Does the Allison have 5/8" trans cooler lines ?

yes