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  1. Jrgunn5150

    Clifford! My Big red GMT800

    Back in the spring, I bought a 1998 K2500 to replace my old tow rigs, a 2012 gasser and 2007 diesel Ram's. i used to haul vehicles, flip, and part them out, even owned a small car lot at one point. Now I only haul my own junk around, so I hoped to get out from under these trucks that were bigger...
  2. Jrgunn5150

    Some kind of idiotic power issue

    So, I generally take the same route to and from work everyday. 28 miles of two lane kind of hilly highway, followed by 6-7 miles of freeway, then two blocks of city traffic and I'm at work. No issues, Pigpen runs fine, maintains speed, can keep up with, pass traffic, whatever. It's fine...
  3. Jrgunn5150

    Kanati Mud Hog review.

    I'll put this up to keep track of my experience with these tires. Before I purchased I couldn't really find any info, other than people asking about them, and other people telling them to make America great again and pay alot more for tires. I bought mine from Parishtirecompany on Ebay, it was...
  4. Jrgunn5150

    CUCV M1009

    I have one, it sucks, it's kinda neat though. I don't do anything with it lol. I bought it on a whim, got it to run on some naasty transmission fluid I had in a bucket, puttered around in it, and hauled it out to my dad's and let it sit there with the other junk lol.
  5. Jrgunn5150

    Transmission RPO list

    I came across this today, so everyone can decipher their RPO code, http://www.framcatalog.com/Docs/FRAM/FA2014AutoTransGM_031814.pdf
  6. Jrgunn5150

    Misfire! 1998 K2500 5.7

    Pigpen is misfiring, worse since I changed the distributor. It was running along fine, and then it would briefly cut out. Now, it's clearly not running on all cylinders. Data scanning pointed me to cylinder 3, unhooking that wire did not change the idle quality. Pulling the plug, it was not...
  7. Jrgunn5150

    4L60E Factory Service Manual

    Again, no credit to me, I googled it, https://www.dropbox.com/s/190n5k52jzwcrvb/4L60E.pdf?dl=0
  8. Jrgunn5150

    4L80E Factory Service Manual

    Here it is in PDF for anyone who want's it. I can't take credit, I found it on Google. https://www.dropbox.com/s/h7ckb9edafc7cgd/4L80E.pdf
  9. Jrgunn5150

    4L80E TCC Failure tips.

    Funny, because I've probably built a dozen of these, but never owned a truck with one. Pigpen has a host of transmission problems, so I'll run through them and how I fixed them, since we don't seem to have much 4L80E info here. When I bought it, it was shifting harshly. And not, nice shift...
  10. Jrgunn5150

    Car Gauge Pro can read CMP

    Like the title says, one of the PIDs supported by Car Gauge Pro is the CMP. So, basically, with a 9 dollar app and an Android device, you can drop a distributor on a Vortec :cheers:
  11. Jrgunn5150

    Pigpen's Poor Passing Power Problem

    See what I did there? Anyway, for those who don't know, Pigpen is a 8600 GVRW K2500. 4L80E, 5.7 Vortec, 3.73 gear's, 265/75r16 tires. A basic truck. Pigpen, runs like an utter turd off the line, and will not spin a tire, even in the rain. It ran the same last night with one plug wire pulled...
  12. Jrgunn5150

    Thought's on this cam?

    In my K2500, 3.73 gear's, 4L80E, 33" tires, for towing. I'm trying to maximize midrange torque, 2500-3500. https://www.summitracing.com/parts/cca-08-409-8/overview/
  13. Jrgunn5150

    Make your own intake

    With this, http://www.rossmachineracing.com/injectortool.html Pretty cool tool they have there.
  14. Jrgunn5150

    Tech 2 for 411 swap

    So, if I do the 411 swap, then I want to use a Tech 2 on it, will it be programmed as a 1998 5.7? I mean, will the Tech 2 still work using my correct year make model info?
  15. Jrgunn5150

    4L80E In and out of Limp mode

    Truck is a 98 Sierra K2500 8600 GVRW. Previous owner says the trans was rebuilt, it was certainly R&R'd. Fluid is clean, and I have all 4 gear's as well as reverse. I just got it going, more than around the block today. So the problem is, it's in limp mode, but not always. The gear indicator...
  16. Jrgunn5150

    Radiator plug

    What is the unused little plug called on Vortec radiators? So I can buy another as mine is leaking profusely. I'm not interested in using a bolt and heater hose and clamps.
  17. Jrgunn5150

    14B SF DIY drain plug guide

    I'll post this up here, so maybe someone else can benefit. It wasn't all that hard to do, took me about 30 minutes. All risks are yours, I bear no responsibility, yada yada. They do make these already made if you guy's can't weld or aren't willing to try. This cost me, total, like 35 bucks. I...
  18. Jrgunn5150

    Flare tool

    What are you guy's using for flare tools? I've only ever used the bar style, that kind of suck even when new. Which is exactly why I have a leaky fitting on Pigpen lol. So my options are, as I see them, 1. Go get another bar style, and fiddle around until I get it right. I still have the...
  19. Jrgunn5150

    Hub bolt part number (posted inside)

    If for any reason anyone needs to get new bolts to hold the hub to the spindle on their K2500/3500, the GM part number is 88891741. I got mine from GMwholesaledirect.com it was 13 bucks for four, plus like four dollars shipping. My local dealer wanted 11 dollars a piece lol. It took me quite...
  20. Jrgunn5150

    Torque App

    Can the Torque app show the crankshaft angle or whatever it's called to set a Vortec distributor properly?
  21. Jrgunn5150

    VSS Signal on 98 K2500

    Ok, so I have a 8600 GVRW K2500 with the 4L80E. If I were to use a driver drop NP241 from a squarebody with VSS, would it provide the appropriate signal to my 98? Are they essentially all the same? or did the signal count or whatever change somewhere along the line?
  22. Jrgunn5150

    I think I found a keeper. K2500 RCLB (Pigpen)

    I've been looking for awhile. I wanted 4x4, 8600 GVRW, and a regular cab. I finally found it on my local Craigslist. Got there, it wouldn't start, wouldn't take a jump, took this pic while the guy went to get his boost box. It's a 1998, 350 Vortec, 4L80E that's supposedly rebuilt, but...
  23. Jrgunn5150

    My C10

    I know I've mentioned it and posted random pics, but I don't think I ever put up a thread here, Here's the gist, brought it home from Little Rock, Blanket to keep me warm with no heater and crap off my arse, Had an Edelbrock 750 with no choke on it, and weird rubber plug's in the...
  24. Jrgunn5150

    c3500 No Spark.

    I'm trying to help a friend out, over the phone, which is even more difficult than over the internet lol. He has an 89 C3500, 454 TBI. Say's it was running fine and he backed it into the driveway one night, came out in the morning, no start. Says the injectors are spraying so he has fuel...
  25. Jrgunn5150

    7.4 powersteering pump.

    I have a buddy, who doesn't have much knowledge, but a good heart, so he unfortunately get's taken by shop's fairly often. He say's he has a 1990 C3500 with 7.4 and he can't find a power steering pump pulley for it. I thought 350's and 454's used the same pump, unless he has hydroboost, would...

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