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Search results

  1. C

    pump timing

    Just got back from 3000 mile trip....Ohio, Michigan, Minnesota, Wisconsin, Illinois, and Indiana. 18.8, 19.6, 19.8, 20.1, 19.9, 20.0, and 19.7. Filled to top of neck every time. Takes a while to putting last 3 gallons. No check engine light and no issues. Starts much better when cold. Previous...
  2. C

    pump timing

    After fooling all afternoon, retarded it more than I thought I needed to and FINALLY got it to drop from a constant -2.02 (which is apparently max ) down to 1.74. Check engine lamp stays off and I was able to delete dtc88 which kept staying in memory even after I deleted it and history. Good...
  3. C

    pump timing

    I'll see what I can do to change it today. Just learning the use of the GMTD program on a laptop. Also, the setting of the timing tutorial is somewhat confusing or too technical.
  4. C

    pump timing

    Got it to 8.9,8.9 and-2.02 Thanks. Going to Wisconsin next week on a 2000 mile round trip. We'll see how it does.
  5. C

    pump timing

    Just purchased and hooked up GMTD Scan Tech with my laptop and got the following settings: Engine hot idle- Desired injection timing 8.6, Actual injection timing 11.8, TDC offset -2.02 Check engine light comes and goes frequently; Scan Tech indicates timing error. Are these settings advanced...
  6. C

    4 inch exhaust

    Noise and drone is probably different for everyone's taste. Might have some to do with stainless exhaust, since pipe and muffler have thinner material. I have a regular cab.
  7. C

    Duramax brake fade

    2005 Duramax. When coming to a stop at a traffic light, the brakes fade at about 5 to 10 MPH. No lights come on on dash. Fluid ok.Work normally every where else. Had a couple close calls.
  8. C

    4 inch exhaust

    I have the 4 inch on the 6.5; runs great. Just tired of the drone on a trip. Looking for a quiet 4 inch muffler.
  9. C

    4 inch exhaust

    do any year Duramax have 4 inch exhaust (muffler) from the factory?:???:
  10. C

    anyone use the "Rear Head Cooling System Kit"...........

    too much pressure to freeze plugs????:rolleyes5: If they wouldn't hold, how would gaskets or hoses stand it.
  11. C

    SS diesel supply marine injectors?

    I have them in mine and they work fine. Bought them and some other performance items before finding this site. Some people here have issues with Walt; those forever glow plugs come to mind. I did have three of those burn out and he replaced them.
  12. C

    Those of yall with WMI

    The route coming back had more hills; got tired of the traffic and rough roads on the interstate. Running on the level, it usually pulls 2 1/2 to 3 lbs boost, even with the gear vendors engaged; 1750rpm at 70. Although the several grades did not allow it's use. 3rd over worked great with load...
  13. C

    WMI reservoir location

    Have come back from 800 mile round trip. Glad I got the 16 gallon reservoir or I would have had to stop and find water to fill it mid trip. BTW it has a drain already installed and the Heath strainer tank tap fit right into the threaded drain. Tightened the nut on fitting and it sealed right up.
  14. C

    Those of yall with WMI

    correction checked water reservoir in daylight...used 14 gallons coming back, ran mostly 70mph.
  15. C

    Those of yall with WMI

    360 miles one way loaded...about 12 gallons, unloaded on return, about 5 gallons. Invisible in use. 16.19 mpg towing medium load. Cruised at 60 on mostly hilly with a couple medium mountains. Pa to Mass.
  16. C

    radiator mist system

    "mist" doesn't mean huge gallons of water to cool down radiator. Probably the same amount or less used in intake cooling. Go to Busnutonline.com and go to archives on radiator mist systems. Many bus owners have used this system to good results. They have found that more volume of water than...
  17. C

    Those of yall with WMI

    just installed a Heath system. Basically an invisible system so far. Towing a medium trailer and med load on a 1000 trip. I'll report on any impressions when back. On at 5psi and full at 13. 16 gallon tank from US plastics, mounted in front of bed.
  18. C

    radiator mist system

    Anybody used or tried something like this on their tow vehicles? Several use a system like this on the bus conversion forums with good results. http://www.oreillyauto.com/site/c/detail/HAD0/100.oap?pt=N0646&ppt=C0095
  19. C

    WMI reservoir location

    Am installing the wmi now. Noticed that the tank has 4 - 5/16 inch metal inserts molded into tank bottom for mounting. Going to make installation much easier
  20. C

    WMI reservoir location

    Just got a tank from US Plastics. Thanks for the referral guybb3. 16 gallon. Very nice and has 5 inch lid and a drain or supply fitting already installed with a 1/2 inch pipe thread. Also has markings on end of tank for gallonage. 17x17x21 inches long. They had smaller ones also. About 80 bucks...
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