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  1. RedBurb

    L29 Distributor Accel #59132---Tight Fit!

    I installed a new Accel Distributor PN 59132 in my L29 a few months ago. It actually works BUT it sure has a very narrow and tight installation window. There's literally only 1 gear tooth that works but even this one tooth provides a marginal fit at best. Here's what I mean ----If the dizzy is...
  2. RedBurb

    L29 Replacing Fuel Injectors

    Hello ---I finally started to change out the FI's on my 180K L29 engine. I'm chasing a rough idle and hopefully this job fixes it. All new injectors and a new fuel pressure regulator. Here are some pics:
  3. RedBurb

    L29 Replacing Fuel Injectors

    Finally started job of replacing the injectors. I'm still chasing down a rough idle and hope this job will correct the issue. Replacing the pressure regulator while there. A few interesting findings thus far: 1. Cylinder banks 6 & 8 have a lot more carbon build up on the lower plenum than the...
  4. RedBurb

    L29 454---Replace Crank Sensor

    Greetings ---I've ordered a new crank sensor from Rock Auto (GM Genuine Part) to replace the original sensor from 180K miles ago ('97 K2500). Are there any "watchouts" I should be aware of before tackling this swap out? For instance does the engine have to be set to TDC before beginning the...
  5. RedBurb

    '97 L29 ---Annoying Idle

    Not happy with the engine idle. Cold engine starts up flawlessly, initally runs great during warm up (@1100 rpm), but once warmed up the idle rpm drops and begins to constantly hop between 620rpm to 710 rpm (according to DashCommand). The short fuel values also constantly hop between -0.5 to...
  6. RedBurb

    DASHCOMMAND CAM Retard PID for a '97 Suburban 7.4L

    RedBurb Newbie Joined Apr 1, 2021...
  7. RedBurb

    454 L29---Head Gasket Reliability

    Scalped a fine running 7.4L 179K mile engine today in order to find and eliminate the source of coolant leaking into the oil. The old intake gaskets were indeed leaking as this forum frequently cites. The intake manifold is now laying flat on the workbench awaiting tomorrow's cleaning and new...
  8. RedBurb

    '97 K2500 Suburban L29 454 ---Replacing Rear Engine Seal and Oil Pan Gasket

    Hello, Newbie to the site. I bought the '97 a few months ago with 179K miles on the odometer. The primary use will be occasional towing of classic cars to & fro shops and shows. Expect to put no more than 2-3K miles on it per year. Everything on the drive train seems to works flawlessly and...

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