I was able to port/polish an LLY turbo a few months ago for a guy that's not to far from me that has become a good friend. For some reason he calls and asked me duramax questions so I don't know what that's about, haha:roflmao:. I did a couple new things I haven't done to other variable vane turbos that I was very happy with.
His pickup was down to build his heads, installed head studs, EGR delete, PCV re-route, and cleaned everything up in his engine bay.
Goal for the pickup is daily driver, tow vehicle, running down the strip, and possibly hook up to a sled. He wanted to see how much we could do to the turbo and how far it could be pushed. With that said he decided on a port/polish, rebuild, batmowheel, and fingers vanes.
Pickup is an 05 LLY. Stock exhaust manifold on the passenger side, LML exhaust manifold on the drivers side, Profab tow flow up pipes, profab downpipe, 5in exhaust, stock intake, LLY mouth piece, stock tranny(built one in the very near future), and predator tune(EFI live once tranny is built).
If you've often wondered if re-routing the PCV is necessary you can see from the second picture how dirty the inside of the cover gets if you don't do so. Everything get covered with oil and the wheel has alot of oil on it as well.
The Garret turbos have good sized up pipe ports but there's still room for improvement. Now the turbine discharge side I removed ALOT of material so it would match the ID of an aftermarket downpipe; about 1/8" on each side.
Yellowchevy
His pickup was down to build his heads, installed head studs, EGR delete, PCV re-route, and cleaned everything up in his engine bay.
Goal for the pickup is daily driver, tow vehicle, running down the strip, and possibly hook up to a sled. He wanted to see how much we could do to the turbo and how far it could be pushed. With that said he decided on a port/polish, rebuild, batmowheel, and fingers vanes.
Pickup is an 05 LLY. Stock exhaust manifold on the passenger side, LML exhaust manifold on the drivers side, Profab tow flow up pipes, profab downpipe, 5in exhaust, stock intake, LLY mouth piece, stock tranny(built one in the very near future), and predator tune(EFI live once tranny is built).
If you've often wondered if re-routing the PCV is necessary you can see from the second picture how dirty the inside of the cover gets if you don't do so. Everything get covered with oil and the wheel has alot of oil on it as well.
The Garret turbos have good sized up pipe ports but there's still room for improvement. Now the turbine discharge side I removed ALOT of material so it would match the ID of an aftermarket downpipe; about 1/8" on each side.
Yellowchevy
