6.0

  1. Gene456

    2004 Yukon Denali 6.0 AWD- HELP runs like my rav4

    Hey guys, first post here. Don’t chew me out too bad if it’s just something easy and I have over looked. My Yukon will drive all day with no load, if and only if I stay under 25% throttle. If I give it more it stumbles. It won’t go above about 3500 rpm up or down hill doesn’t matter. It will do...
  2. B

    Headers on 2001 2500

    Looking at headers on Ebay, there are some nice looking stainless headers that say they'll fit on a 2001 Silverado, Denali, 1500, 2500 etc but says it won't fit on my 2001 Sub 2500 with 6.0. Aren't Silverados and Suburbans virtually identical from the drivers seat forward?? Also wondering if...
  3. ShookieJay

    '03 Tahoe 5.3/4L60/NP246 Swap to 6.0/4L80

    I have an '03 Tahoe with the 5.3 Flex, 4L60E, and NP246 (auto 4wd) transfer case. I have the opportunity to buy a low mileage rusted out truck for parts and I'm wondering how straightforward it would be to swap the drivetrain from the junker into my Tahoe. The donor is an '06 Silverado 2500 HD...
  4. 0

    6.0 Cam MPG Feedback Needed

    Like many others, I'm thinking about a cam swap. However, I'm looking for a piece of info I haven't really seen anyone talk about - MPG... I'm about to do a BB tune, and like many projects, it seems to be suffering from scope creep. I'd like to do a cam eventually, so I'm seriously...
  5. T

    Random misfire

    Ok so when I bought the truck a few years ago I would randomly get a p0300 code I'd feel it occasionally but not bad enough to be concerned. Plus I had alot of other repairs and maintenance to do. Well when I got my truck back from the trans shop I noticed the miss alot more and it's been...
  6. M

    2005 Denali 6.0 p/s pmp to hydroboost replace

    New member here, Wondering if anyone has a Reasonable method of replacing the holes there goes from the power steering pump to the hydro boost, Of course the Fitting on the hydro boost is easy because it's right out there in the open... Anyone have a decent way of getting at the sitting on...
  7. PNWMuseumman

    6.0 Idle lope with A/C on

    I cannot figure out what could be causing this / how to fix it. The idle lop is pretty bad when the engine is hot and running the AC. I had the alternator die a year ago and changed it out, so I know it's good. Also changed the battery then. My only other thought is to change the battery cables...

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