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  1. Mudsport96

    Hummer H2 vs Tahoe knowledge

    Just because it was an 8 lug doesn't mean much. They were the 9.5 semifloat axle. C clip just like the 8.5/8.6 in our rigs, but not nearly as beefy as the full float 10.5 aam 14 bolt axle in the 2500 suburban and trucks. You need to realize the gvw for the H2 was over like 8600 or 8800 to skirt...
  2. Mudsport96

    Hummer H2 vs Tahoe knowledge

    The H2 frame is a conglomeration bastard of different GM trucks/suvs. While the wiki says a cross between 2500 and 1500 trucks, it is more 2500 truck front to Modified 1500 Suburban backhalf, from what I remember of the underside. When I worked at a Chevy/Hummer dealer in the early 2000s, the...
  3. Mudsport96

    Gas mileage

    Yeah, coolant sensor/incoming air temperature sensor. Something. Hell the incoming air temp sensor on my old work truck went bad, but was still good enough to not throw a code. Made the truck so rich it killed the O2 sensor and those 2 combined took it down to 5mpg. And at that point if I wasn't...
  4. Mudsport96

    Gas mileage

    I know he is most likely not answering back, but 4 gallons in 15 miles is roughly 3.75mpg.... something is super wrong with his rig. Period. At that mileage, I'm surprised it is even running. It should be near flooded out if he isn't floorboard deep in the throttle the whole drive.
  5. Mudsport96

    Apparently I need a new PCM

    I agree here. While it may be possible for the ecm to be bad.... it is unlikely. Do you know what the sticker on the ecm case is? Someone here may be able to help out if you do need to replace yours. But again, it sounds more like a wiring issue to me. Heck, it could even be a corrosion issue at...
  6. Mudsport96

    Apparently I need a new PCM

    Yes a basic 6.0 tune would work. They probably need the Vin to match the anti theft. But you can turn that off with hp I think
  7. Mudsport96

    Differences between 2001 and 2006 Tahoes (fuel economy)

    I will second this. Even on the older vehicles, gear ratio and having the engine in the sweet spot is key. Guys in the obs ford world have found out Ford goofed when they put the 3.31s, 3.08s in the f150s with the straight 6 and 302. Swap up to the factory 3.55 or even aftermarket 3.73 and guys...
  8. Mudsport96

    Corvette exhaust versus truck exhaust

    AEM first... yeah used some of their products a long time ago. And while it has been almost two decades... I would never recommend them after the poor help I received from the company. As for the vette manifolds. It would be cool to test them. I personally think they will fall somewhere between...
  9. Mudsport96

    Apparently I need a new PCM

    The only problem I see is that you drove it there and after he started diagnosis is when popping fuses. Am I getting that right? If so it seems more likely that it is a harness issue than a ecm issue. Do you have the ability to get your hands on an ecm? If so you could easily swap it in and see...
  10. Mudsport96

    Corvette exhaust versus truck exhaust

    The early F body LS1 manifolds flow worse than the truck manifolds. My nova forum has been down that route for LS engine swaps. As for the pictured vetted manifold, packaging issues. I would almost bet that style manifold would interfere with engine/front diff crossmembers or the front...
  11. Mudsport96

    Lets play a game of what caused it....

    No alligators....that you know of....
  12. Mudsport96

    Lets play a game of what caused it....

    I use the 24 hour clock most of the time as well, and was wondering when the update was coming.
  13. Mudsport96

    Differences between 2001 and 2006 Tahoes (fuel economy)

    One is the electric fan. But the biggest thing is the computers processing power and tuning. The 2001 has the" red/blue" P01 512kb computer and the 2006 has the "green/blue" P59 1Mb computer. The newer has basically double the computing power than the old. Look at it this way. The basic engine(...
  14. Mudsport96

    Lets play a game of what caused it....

    Coolant reservoir leaking and running down into the airbox....
  15. Mudsport96

    03 GMC Yukon Totaled

    Dang, so which one hit you? I'm guessing the blue car since the right front damage of yours matches the left front damage on hers.
  16. Mudsport96

    Castrol GTX 20W50

    You are correct. When tolerances are still tight it is important to use the recommended viscosity oils. Journal bearing surfaces are protected by the oil film, and proper flow and pressures are needed for that to work correctly. At his 167,000 miles 10w30 is most likely still fine as long as it...
  17. Mudsport96

    Castrol GTX 20W50

    This time of year no I would not. Middle of summer sure. I run it in my 5.3 Silverado in the summer with no issue, but it also has over 400,000 miles on the clock. Another 100k and I think you would be fine to use it.
  18. Mudsport96

    Engine runs cold

    Ok so it seems the restriction needs replaced. Don't know if you have access to one, but I used a .45acp casing with the primer removed on multiple Silverado. Just slid it into the hose and hose clamped in place.
  19. Mudsport96

    Alternative method to access spare tire hoist

    How to remove a stuck spare tire video Click that and watch. Used it on the tahoe and Silverado.
  20. Mudsport96

    Rev-X Engine oil

    Glad it seems to be working for you. My Silverado has 413k on it now with nothing more than routine oil changes. I had to pull the pan to change the oil pump tube orange, and the pan was decently clean for the 400k at the time. I personally don't buy into additives, but some people swear by them
  21. Mudsport96

    I Sank my 2003 Z71 Tahoe

    I do not know exactly off the top of my head, but I THINK about 3 quarts rear diff 3 front both gear oil and 2.5 to 3 quarts for transfer case, 4 button will be special fluid and 3 button should just be atf.
  22. Mudsport96

    Some questions about details of the LS/LQ engine. (intake and crankcase ventilation)

    the above circled part is the metered orifice that your engine has. The left is the old style pcv. in the below picture the circled port is where fresh air is supplied. In this picture below you can see the port connects to the side of the manifold where the hose goes to the passenger side...
  23. Mudsport96

    Some questions about details of the LS/LQ engine. (intake and crankcase ventilation)

    What year is your Escalade? Here in the States starting in I believe 2003 the true pcv was replaced with a "metered orifice " that never closes. It is a specific size that is basically a controlled vacuum leak from the rear of the (American) driver side valve cover. Assuming here, but yours may...
  24. Mudsport96

    Tuner to fix shifting in 2000 Tahoe (auto transmission)

    This sounds like either an internal transmission issue, an electrical connection issue or maybe the throttle position sensor is going bad. If it was the tune, it would be all the time. Check to see if the electrical connector on the passenger side of the transmission is loose. If that seems...
  25. Mudsport96

    2005 Denali -Sudden loss of oil, now won't start?

    Ok. So. The engine does spin when trying to start but doesn't start and run? That sounds like an issue other than just the oil. I am not super concerned about a few flecks of metal in the oil at the moment, I've seen some flecks in my vehicles oil before. Unless it is full on glitter soup...

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