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  1. DaveO9

    96 Tahoe 5.7 leaving me stumped.

    Yep, as soon as I started reading the first post I immediately started gravitating to fuel pump. Check pressure as others have said. I also second @OR VietVet in replacing the spider with the upgraded one if you haven't already done so. The original (1996-2001) had the injectors centrally...
  2. DaveO9

    Are motor mounts easy to replace with exhaust manifolds removed?

    It seems like the rear-most exh manifold bolts are the first to go. I've had two 900 Tahoes. On the first one ('09) just one of the rear corners was broken when I got it. On my current one ('13) both rear corners are busted. I installed a clamp on the '09, but I'm not sure it was worth it...
  3. DaveO9

    I have a serious problem!

    If you have to get rid of two, dump the OBS first - least comfortable, reliable, practical, etc. Then you just have to decide which of the other two you like best. (I'm partial to NNBS - they have their issues, but they're known and once you get through the list you have a pretty sweet ride...
  4. DaveO9

    Melted mega fuse holder near positive battery post

    yeah seems like there is a lot of variation year to year on those cables. I found the one you posted on RA under my year, 2013, and it fit all the requirements. It looks exactly like what I have, at least on the battery post end. I also checked that same P/N on Amazon and it said it did NOT...
  5. DaveO9

    Melted mega fuse holder near positive battery post

    Yeah I’ve been wondering how it got loose. I just ordered the new cable with fuse holder and rubber cover. I’ll definitely do some ohm checking when I replace the cable. And on the way home tomorrow I’ll check that connection every time we stop.
  6. DaveO9

    Melted mega fuse holder near positive battery post

    Cool, thanks for finding that! I’ll just get the whole new cable. Pick-n-pull around here doesn’t have any NNBS yet. NBS is about as new as I’ve seen.
  7. DaveO9

    Melted mega fuse holder near positive battery post

    On a long road trip, taking daughter to college. Within a few miles of final destination tonight, smell burning rubber. Turns out the load side bolt on the mega fuse holder was loose, thereby causing arcing at that connection and generating a lot of heat. It melted the red cover, but more...
  8. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    Last night and tonight I did the manifold removal and reinstall. Replaced the screen filter and the oil pressure sensor (GM). Didn't replace any of the gaskets. There was no sign of leaking from the valley cover so I didn't remove it. The front bolts were all loose, but the back ones were...
  9. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    Got it thanks. I’ll save mechanical AFM delete for another time, probably do the whole shebang then with cam upgrade. Hoping to pull the manifold tonight and do an assessment on which gaskets I need to replace, if any. I’ve spent a ton of $$ on this thing in the last couple months. Starting...
  10. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    That was going to be my next question! I have AFM turned off in tune. So what all does that entail? Just removing the solenoids and then replacing valley cover with a flat one? I ordered some other stuff in Amazon this morning and threw in a $20 feel-pro perimeter gasket just in case I can...
  11. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    will I need to replace the intake manifold gaskets if I remove it? I checked the front bolts on the valley cover today - I can turn them with my fingers.
  12. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    OK, I'm talked into it. I was already going to replace the screen, and already have it, but I think I'll pull the manifold and check those bolts. It will make replacing the screen much easier, too. And I just ordered a GM oil press sensor, so will be replacing that too. Thanks!
  13. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    Thanks much! Answers my question. Looks like all oil goes through the filter and then the external cooler after it's trip through the lower gallery. So can definitely see how the cooler and lines could affect pressure at the sensor. I changed the filter today to the Wix XP. In the...
  14. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    I have a wix xp on the way. We will see what happens. Thanks all for the comments and input!
  15. DaveO9

    Front Lower Control Arm Frustration

    For user testimony, I went with the Delphi's for all four arms when I did my front susp this spring. Several thousand miles afterward, I have no complaints. I did get some popping at full lock at first, but it went away after a few hundred miles. I think things just needed to settle in. The...
  16. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    Yeah, definitely seems strange that I've had to add almost 7 qts to get it to full. I'm thinking of draining a qt out to see if that helps. I went with the Denso 2219514. In looking at RA for my 2013 Tahoe, it for some reason lists it as the rad specifically for a PPV, but it's the correct...
  17. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    Will do on the screen - next on the list. I remember on my '09 Tahoe, the PF63 actually improved oil pressure. And that one had the oil cooler from factory. I like the PF63 since it has more capacity. But I have a PF48E laying around that I could install just to see if it helps? Or do you...
  18. DaveO9

    Oil pressure drop after addition of OEM Oil Cooler?

    I just finished a build of many replacements and upgrades - documented here. One of the upgrades was the addition of an OEM-style engine oil cooler. I.e. I removed the block off plate, added a set of Dorman replacement lines, and replaced the radiator with a new Denso OEM-style that had the...
  19. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    I've had my '76 for 23 years - July of 2001. Bought it just a few weeks before my (still) wife and I got married. I've done a lot to it over the years, including paint, but I brought it BACK to the original silver, matched to the paint code in the door jam. Block is original, but it's bored...
  20. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Thanks for the kind words and encouragement! I don't think I'll quite get to the level of the guy in the vid with fabbing my own lift kit, but this was a pretty significant job for me. (Not the worst though - it took me two years to get through engine rebuild and complete front end rebuild in...
  21. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Yep first connection up on top of the frame. I will definitely keep an eye on it, thanks for letting me know.
  22. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Thanks guys. Yeah the good old fashioned 2-person brake bleed is next on the agenda. I just ran out of time based on when I needed to get to the tuner. (And no one else was home at the time) maybe I’ll try the rod against the brake pedal trick but probably will just my wife or one of the...
  23. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Got it to my local tuner today to make the axle ratio adjustment. He uses TunerCats and there ended up being 100+ parameters changed. I thought shift points were just based on RPM, but actually they're based on mph corresponding to throttle position, hence the need for many changes. It drove...
  24. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Got it resolved! Nice and simple - pass side rear sensor was unplugged! Must have happened at some during rear end changeover. Good thing it doesn’t seem to have any problems. Been driving around all day, no issues or warnings. It was throwing a C0050 code - circuit issue on rear pass...
  25. DaveO9

    Build thread - 3.08 to 3.42 front and rear gear change

    Yes old sensors are in new axle. I was trying to remember if I had ever turned key on with them not installed. I don’t think so but possible.

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