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ioh kit

  1. GM mouth piece or Enervative IOH kit

    04.5-05 LLY Duramax Powertrain
    I read the info posted by killerbee about the kit he sells. While it looks be be a well designed kit, is it worth the $325 or should I just get the GM LBZ MP and hack it in.
  2. LLY mpg's

    04.5-05 LLY Performance Parts Discussion
    Hey guys need a little help here. I have a buddy with an 05 lly and all he wants is a little more power but mostly mpg. Is ppe going to yield the best mpg or is there a better alternative that would be cheaper if all he wants is mpg? He tows quite a little also so I was going to suggest...
  3. boost tap location?

    04.5-05 LLY Performance Parts Discussion
    where is the best place to tap in my boost gauge. Let me know. Thanks.
  4. snow meth injection

    06-07 LBZ & LLY Performance Parts Discussion
    i was told that this stuff is wonderful but someone i am deployed with keeps telling me it will rust my cilinder walls and other components and also says its more trouble than its worth i kinda had my eye on it for the power and economy and only plan on using it on cruse nights and on long trips...
  5. Fan clutch

    Towing & Hauling
    When towing with our '05 Duramax in warmer temps (75+) the fan clutch seems to kick in a lot. This started after a dealership made an adjustment to the computer settings to get rid of a "tick" that my husband could hear in the motor shortly after buying it. Of course after looking into the...
  6. Product Review LLY Modded Mouthpiece

    04.5-05 LLY Duramax Powertrain
    I installed the modded turbo mouthpiece the other night along with my AFE intake. I had been running the stock intake the past few days because of a trip to the dealer. Upon first driving I immediatly noticed a drop in EGTs. I was running a race tune and at WOT my egts dropped by 150-200...
  7. LLY mouth piece????

    04.5-05 LLY Performance Parts Discussion
    I've seen the threads for the new retro fit but, my qustion is: Will it work with an aftermarket air filter kit ( I have the K&N) and where do I get the new mouth piece?:
  8. PPE Hot+2 or EFI Live?

    General Discussion
    I'm getting ready to ditch the Edge chip and go with the PPE or EFI live. What one would be better for my truck and how much HP can EFi give me on my truck?
  9. EGT, other questions, new owner

    04.5-05 LLY Duramax Powertrain
    I recently bought my truck, and am wondering if the EGT readings I am getting are normal. I am going by what the Attitude says. I have the alert set at 1300, and with the thing set at 1, on level ground and empty, if I stomp on it the EGT will climb from around 200 to 1400+ very quickly, and...