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  1. I

    New oil pan - is this normal casting?

    Looks excessive. I wouldn't want to do that job twice due to a faulty part.
  2. I

    P0300 after DOD delete

    I just worked on a 2020, your 2016 might be different, but on that 2020 there was a ground strap for each head. Assuming you have them, you re-connected them, right?
  3. I

    P0300 after DOD delete

    Did you put on an aftermarket valley cover or re-use the old one?
  4. I

    New member here trying to decide if I should delete the AFM or not. Engine is currently apart.

    Do an AFM delete and don't look back. My experience with a 2013 Silverado (full AFM delete) and a 2020 Tahoe (AFM turned off in ECU) is that you won't notice any change in mileage. On both trucks I used a Superchips tuner with good results. They come with a few canned programs for slightly...
  5. I

    Bad lifters?

    I'm late to the party, but does that tick go away when you get above idle? I had a 2013 Silverado that made tons of valve train noise. So much so that I did a full AFM delete. To my surprise, nothing was failing.
  6. I

    Still a good idea to get the Range AFM/DFM disabler for 2015-2020 Yukon Denali with 6.2?

    I used a Range disabler on a 2013 Silverado. Worked ok, but it would occasionally flake out and I'd have to remove it and reinstall it. Not a big deal. Disabling AFM won't automatically save you from a failed lifter. I disabled AFM on my 2020 Tahoe and still had one go out. (Granted those...
  7. I

    Gotta do a Rebuild, Gonna Upgrade Too

    There's the culprit. Missing some metal, and the main body measures .839" dia, measures .844" dia at the roller. Just enough to not come out of the bore.
  8. I

    Gotta do a Rebuild, Gonna Upgrade Too

    I was unaware, but my dad says "your brakes are hydraulic" and I thought to myself "well, duh" but that must have been what he was alluding to.
  9. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Brakes are hydraulic. No vacuum pump.
  10. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Got a report back from the machine shop. Only machining that needs to be done is honing the cylinders. Lifter bore from the collapsed lifter is good, the reason the lifter wouldn't come out is that the 'ears' on either side of the roller splayed out a bit when it failed. Main bearings are...
  11. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Mine is a 2020. What vacuum pump do you speak of?
  12. I

    Gotta do a Rebuild, Gonna Upgrade Too

    1. Still theoretical, but most likely it'll be new rod and main bearings, new cam (maybe new cam bearings), new lifters, new push rods, new oil pump, new piston rings. Re-using old pistons, con rods, high pressure fuel pump. Cylinders will be honed. Everything will be cleaned before re-assembly...
  13. I

    Gotta do a Rebuild, Gonna Upgrade Too

    New question today... The cam I chose (BTR Stage II) will require a tune. There's a guy local to me that is well known and has a good reputation. But I'm a little concerned about doing dyno pulls on a freshly rebuilt motor. Should I be? Secondarily, I see that HP Tuners has a 'remote...
  14. I

    Gotta do a Rebuild, Gonna Upgrade Too

    11mm hex head turned out to be the size.
  15. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Looks like they are a 12mm Hex head. Can anyone confirm? I was worried that they were a 12-point or something weird.
  16. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Does anyone know what size the head of the rod bolts are?
  17. I

    Gotta do a Rebuild, Gonna Upgrade Too

    No going back now.
  18. I

    Gotta do a Rebuild, Gonna Upgrade Too

    Did more tear-down over the weekend. There was an obvious difference between the driver side and passenger side as far as tightness of rocker bolts, head bolts, etc. Leads me to believe that this motor had work done on the driver side before I got it. I purchased the truck in February 2021...
  19. I

    Gotta do a Rebuild, Gonna Upgrade Too

    So... My motor has to come out due to an AFM lifter failure. At 120K miles, I figure a total rebuild is in order. And if I have to do a rebuild, I'm gonna upgrade a bit. Nothing wild, just a little more pep. Starting to research parts. Anyone got experience with this? 1. Without a doubt...
  20. I

    AFM Lifter Stuck in Lifter Bore

    Cam is still in the block. I figure the motor has got to come out. No matter what. Who knows how much metal got spread around in there. And once the motor is out, I can't feature not doing a total rebuild. What a can of worms... I figured that lifter bore could be sleeved, but I wasn't sure.
  21. I

    AFM Lifter Stuck in Lifter Bore

    So... I have an AFM lifter jammed in it's bore. Anyone have any tips or tricks on how to get that out? Secondarily, is that lifter bore serviceable? I am assuming it's damaged, or will be damaged by the time the lifter is out of there...
  22. I

    Another P0300

    Wow did I ever jinx myself... Wife took the truck to get groceries, calls me, says it's missing. Throwing P0324 (knock sensor) and P0307 (#7 Misfire). After swapping coils around to see if that was the issue, the P0307 code changed to P0300. Did a compression check on #7. No compression...
  23. I

    Rear window washer

    Finally tracked this down. A connector popped between two hoses under the hood, drivers side, above the wheel well. Super easy fix. I'll try to get a pic of the connector and post it.
  24. I

    Another P0300

    After driving it for a couple of weeks now, changing the motor mount fixed most of my problems. Forced to conclude that it was probably the knock sensor picking up noise from the clunking motor mount. Doesn't tell me why I got the P0300 code, I don't think. I did get the even more dreaded...
  25. I

    Another P0300

    Replaced the drivers side engine mount over the weekend. This is the process I used: A couple of notes from my experience: 1. Take out the steering shaft, just gives you more room to work. 2. Go ahead and cut off the heat shield on the old mount. Again, more room to work, particularly on the...

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