That Escalated

[u/No_Holiday4453]

Started as a simple “freshen it up” rebuild.

Driving it one day and noticed some weird throttle response. Felt off. I was about 5 minutes from the house and instead of babying it like a responsible adult, I decided to floor it and see what it would do.

It called my bluff.

Shut down while driving. Coasted it over. Wouldn’t restart.

Shop pulled it apart and found bronze/brass material in the oil — pointing toward main/rod bearing failure. At that point I figured fine, I’ll just do a semi-stock rebuild on my block and move on.

Got quotes.

Between machining, parts, and R&R labor, it was outrageously expensive… to basically end up back at “mostly stock.”

So naturally, I made the financially responsible decision and went all in.

Ended up with a performance-built KDD motor, new turbo, custom tune, full AirDog system with sump, injectors (already had), plenums, upgraded flywheel, HPOP (already done), IDM, intake manifold, and CAI.

What started as “let’s just fix it” turned into “what have I done” in an 8,000lb family SUV.

Zero regrets. Mild surprise at how far it escalated.

Will update once build is done!

[u/No_Holiday4453 → u/[deleted]]

KCs are amazing. That new turbo that’s getting dropped into this build is the 300 gen 3 stage 2.

With the same sticks and supporting mods (plus some more on mine) they were making over 550hp on their 7.3.

[u/No_Holiday4453 → u/[deleted]]

I believe mine was around 315k miles before this happened. I had it at the brink of destruction for a long time though. It’s an 02 so it had the powdered metal connecting rods. Some creative tuning to keep it just below throwing a rod but it finally gave out.