Duramax Advice - Diesel Bombers

Chevy/GMC Truck and Duramax Turbo Diesel Forum Discussion of General Topics related to All Chevy and GMC Trucks as well as the Diesels in them

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Old 01-11-2018, 09:56 PM
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Join Date: Jan 2018
Posts: 2
Default Duramax Advice

So I'm new to the diesel world. My last Silverado was totaled and I'm looking to buy my first diesel. A friend of mine is selling a 2006 Duramax LLY. Extended cab long bed. Fully loaded, Allison trans, fully rebuilt engine with a ton of new parts EFILIVE tuning etc. no rust at all. . Around 230K on it and wants 9k. I'm slightly mechanically inclined but don't know everything. What should I know going I to it before buying? The truck seems in top condition. And the price seems good. Will the trans hold up with all the mileage? Is it a reliable truck? Please help me out!
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Old 01-27-2018, 10:27 PM
HWI HWI is offline
Join Date: Oct 2013
Location: FL
Posts: 6

The main issue with the LLY is head gaskets, so check to make sure it doesn't have a disappearing coolant issue. First thing I would do is replace the turbo inlet with either an LBZ one or an aftermarket piece, the stock LLY part is very restrictive.
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Old 05-16-2018, 02:51 PM
Join Date: May 2018
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spammers will be banned

Last edited by gunman41mag; 05-17-2018 at 04:46 PM.
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