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  1. Alex_M

    Frame and other VIN locations?

    Does anyone know where (or if) there are frame VIN and other VIN locations are located? I have access to a truck I'm doing a bit of digging on. Does the gmt800 platform have any VIN locations other than dash tag, door sticker, glove box sticker, and in the ECU? Thanks all!
  2. Alex_M

    2500/3500 Upper Control Arm PSA!

    Hey all! I've noticed recently, this has happened to me on two trucks, that whatever manufacturer is making "stock" replacement upper control arms for 2500 and 3500 series GMT800s is using non-stock dimension ball joints. On two separate trucks I have gone to replace upper ball joints and...
  3. Alex_M

    4l80e Rattles While Coasting

    @NickTransmissions thought about messaging you directly to see if you had any input, but I'll post this publicly to improve the public information pool. Hey all! I've just picked up another gmt800 3/4 ton with a 6.0/4l80e. 216k miles on it. Seems to have lived a hard life, but this is just a...
  4. Alex_M

    [Off Topic] GMT800s with Flat Beds

    Hey all! Curious if any of you have pictures of single rear wheel GMT800 trucks with flat beds? I'm in the process of designing one for my work truck and I'm looking for inspiration. I'm making a CAD design that I'll 3d print and take to a couple local fab shops for quotes to assess if it's...
  5. Alex_M

    Any interest in bolt on front hitch receivers?

    Hey all! Built a front hitch receiver for my Tahoe a couple days ago, and I was thinking it wouldn't be too difficult to modify the design to be bolt on. I wanted to put a feeler out and see if there were any interest in a product like this? The one I built has bottom hanging recovery points...
  6. Alex_M

    How to: EGR Delete, tube block off.

    Just a small quick post for those who want to block off their EGR, for those installing headers or whatever else reason. I will give a brief explanation and then just drop a few pictures in. If you wish to block it off at the exhaust manifold as well (not pictured), take a new EGR gasket to use...
  7. Alex_M

    How to: '99-'02 TBSS Intake Swap

    Later than intended, but here we are. This guide is for '99-'02 only - there are some differences in the swap for '03-'07 trucks. Parts you will need are as follows: -TBSS or '07-'14 Intake Manifold, obviously. Make sure you get a cathedral port intake manifold, not a square port intake off of...
  8. Alex_M

    Hydraulic'd engine - bent valve or bent conn rod?

    Hey all! Hopefully one of you can chime in and confirm or deny my diagnosis. 2002 6.0. Just installed a ton of new parts - heads, cam, lifters.... Injectors.... Allegedly "genuine" AC Delco Made in Germany. Well upon closer inspection after the fact, they shipped from China. Fake Delco...
  9. Alex_M

    Write up interest? Budget E-Fan swap, Measuring Tire Clearance, Brake Caliper Rebuilding, Cam Swap, Etc?

    There was a time I did a *lot* of write ups on LandRoverForums. Some extremely in depth, some not as much. It takes a lot of time, and makes the job at hand take quite a bit longer, but if there is much interest then I would be interested to some of them here on the TahoeYukonForum. Feel free...
    • Alex_M
    • Thread
    • budget detail how pictures replace replacement request swap write
    • Replies: 4
    • Forum: Engine & Drivetrain
  10. Alex_M

    4l80e - Converter unlocks while coasting on interstate?

    Hey all! This is actually a Silverado question, but I was hoping one of you kind folks may have some insight. I've got an '02 2500HD with a 6.0/'80e. When I'm driving down the interstate and let off the gas it acts like the converter unlocks. When I hit the gas again, even easily, it flares up...
  11. Alex_M

    Ignition Cylinder Bypass/Pushbutton Start Conversion Write Up

    Hey all! So you've lost your key, and the dealer cut key didn't work. Or maybe someone tried to steal your truck and buggered up the ignition cylinder. I found myself in both of these situations in the past week, in two separate vehicles. Here's my solution. Let me go ahead and state, you will...
  12. Alex_M

    Truck sat for a couple weeks, now lots of trans codes and instrument cluster issues.

    Hey all! Looking for a bit of help on what appears to be an electrical problem, but I'm not sure where to start diagnostically. The truck sat for a couple weeks; lost the keys. The battery died during that time and it sat dead for the majority of that period. A couple days ago a buddy needed...
  13. Alex_M

    Ignition Pin Out

    Hey all! I've lost the key to my Tahoe, and the one I got recut from the dealer doesn't work. Ignition cylinder was probably replaced at one point. I need to get it running ASAP (like tonight if possible), and I have the VATS tuned out, so I was wondering if anybody knew the ignition pin out? If...
  14. Alex_M

    Looking for a lost article about dyno testing stock cylinder heads.

    Hey all! I'm looking for a specific article that I've seen but I'm having trouble finding. It was by motortrend, super Chevy, or someone like that. One of the big magazines. The article was specifically a Dyno test between stock cylinder head castings. Not a flow bench comparison, and not...
  15. Alex_M

    AC Issues - Wiring compressor clutch to a switch

    Hi all! I'm having issues with my AC system. I =recently replaced my AC compressor clutch. Worked good a few days then the coil melted out of the new clutch. I replaced it again yesterday and no cigar. No burnt fuses or anything, but it's not cycling on. I'm on the road and don't want to take...
  16. Alex_M

    Lipstick on a Pig - New Member Introduction

    Hi all! I'm new here, figured I'd introduce myself and my Tahoe. I bought this truck almost a year ago for $600 flipped on its side. Had 279k miles on it at the time. I immediately put tires and stainless brake lines on it, and built a pretty solid transmission for it. Low stall torque...

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