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  1. Kodiak & Topkick Forum
    Having some discrepancies with the swap and really needing some help and guidance as it's a very important work truck of mine and has been under the knife way to long gotta start making some real progress it's mostly wiring related who can help thanks in advance guys muchly appreciated
  2. 06-07 LBZ & LLY Duramax Powertrain
    Bought an 06 Topkick C4500 with LBZ motor in a non-running condition. Truck has less than 100K on it. Batteries had been disconnected so no codes. Rebuilt primer and it pumps up good, FRP 9k while cranking. It hits a little while cranking. Where to go from here? Anyone one have a trouble...
  3. Kodiak & Topkick Forum
    Hey there, new to the DF. Didn't know if anyone has any experience with loss of coolant on the 7.8L in a 2009 C7500. I'm almost certain it's one or both of the EGR coolers but it will only lose any under a heavy load. I can idle the truck all day and pressure test the cooling system and it'll...
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