1997 gmc k2500 burban

[yevgenievich]

Burban is in for inspection and stuck with the balancer removal. It was going smooth for half a cm and then stuck. First broke the outer puller bolts, then sheared the nose. Made a new nose piece but will be trying to push it back in again first. Taking balancer apart and some heat were of no help.

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[yevgenievich]

Extracted broken piece. Then with upgraded puller, heat and wooden block/sledge hub did come off.

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[yevgenievich]

Had the damaged hub cleaned up and honed half a thousands on the id. Welded oil drain fitting to the oil pan in better location. Started checking main bearings.

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[yevgenievich]

On the plus side, intake fits under the hood and points the right direction to use stock filter box.

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[Spareparts]

That is sweet!

 

[yevgenievich]

Cleaned up, double checked cam timing, valve train, and crank endplay. Started back assembly. Added a port for a map sensor.

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[yevgenievich]

Intake, water pump, accessories(except ac) and oil pan are back on. Went ahead and changed the vent ports on the valve covers. Also washed ac condenser with coil cleaner.

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[BNielsen]

I perused your thread but I couldn't find where you posted, what's the part number on those heads?
I'm hoping to get a new mill built for my truck over winter, and I'm debating on aluminum heads or just ported and polished factory heads.

 

[yevgenievich]

I perused your thread but I couldn't find where you posted, what's the part number on those heads?
I'm hoping to get a new mill built for my truck over winter, and I'm debating on aluminum heads or just ported and polished factory heads.

Heads were custom ordered through Lewis Racing Engines. Otherwise the base is a bare race rite oval port 270 head. I had springs, exhaust valve change, cnc chamber and angle milled added on my order.
For my elco I have a set of cnc version afr 265's

 

[yevgenievich]

More assembly. Still need to get front diff back in. Comparison of where original intake with ls3 throttle body was vs the single plane manifold. Looks like longer 45* coupling is really all that is needed for the change.

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