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  1. Hunter79764

    LS 5.3 High Idle

    As for live data, the Torque app and a bluetooth adapter is a good option if you don't have HPTuners or similar. I don't have any other input on the issue, sounds like good advice so far. As for cleaning injectors, a small bucket of gasoline and seafoam to soak them in has helped me out, I had...
  2. Hunter79764

    31x10.5 with 3:73 gears.700R4 trans. What RPM will I have at 70MPH?

    https://spicerparts.com/calculators/transmission-ratio-rpm-calculator 2000 RPM is 71 MPH. Your exact tire will affect it of course, and that assumes you have the lockup working, as well. Going to a 33" gets 75 mph @2000 rpm, for example.
  3. Hunter79764

    Advice and Parts recommendations for some 6.2 cam/valvetrain work?

    I think I used Michigan Motorsports lifter and tray setup, but it was also right at the front end of Covid when everything was crazy, so it might just be a bad batch (assuming that's my issue). Pretty sure I used GM head gaskets, no reason for me to switch then. I looked it up, it was a 220/232...
  4. Hunter79764

    LS swap fuel system

    On the newer stuff, you're right, they are much smarter and you gain a lot of flexibility. The earlier returnless was more what I was referring to, where the fuel pump module had a regulator built in, and the "return line" was about 6" and part of the assembly, never leaving the tank. 58 psi...
  5. Hunter79764

    LS swap fuel system

    It is sort of a trade off cycle. Pump mounted external makes it easier to mess with wiring and/or change out, but it also makes it more likely to have to mess with wiring or change it. Internal pump is much happier, and should get you 100k miles pretty easy, and for most folks doing a swap...
  6. Hunter79764

    Advice and Parts recommendations for some 6.2 cam/valvetrain work?

    This isn't in a square, but my wife's daily, 2013 Yukon Denali XL with the 6.2 and a Texas Speed VVT Stage 2 cam (installed with a DOD delete ~4 years ago) is giving me some problems. The long Version: A year ago, I got a P219B code (A/F imbalance, Bank 2) and valvetrain noise. Pulled the valve...
  7. Hunter79764

    LS swap fuel system

    Yes, run the factory regulator on the rail. Most people think that the "returnless" style is better because it is newer, it isn't. It just saved GM some money by putting the regulator in the tank on all of the trucks, which is good enough to get them through the warranty period. The regulator...
  8. Hunter79764

    83 K5 Blazer LS swap issue

    I'd check your grounds for the ECM, there's a few of them, and with 3 sorta unrelated codes, that's where I'd start.
  9. Hunter79764

    8.1 Vortec VS 383 Stroker VS 6.0 Iron LS

    I stand corrected on the efficiency, although we aren't in any disagreement about the whole idea. A carb has a VERY narrow tuning window of being optimized, so narrow that it doesn't exist in the real world. Everything else is a compromise and a high tech bandaid (power valves, idle circuits...
  10. Hunter79764

    8.1 Vortec VS 383 Stroker VS 6.0 Iron LS

    If you want MPG and reliability with EFI, I still think the factory stuff is going to be better than any aftermarket, so long as you have a decent tune done (which is needed either way). There has been testing done before, I think the final conclusion is that a carb, when properly tuned for a...
  11. Hunter79764

    4 speed saginaw for 60$

    That... Is brilliant.
  12. Hunter79764

    Electric Fan Temps

    This is a great control strategy that works very well. Here in Texas, high speed kicks on more often, but you hear the air more than feel the fans kicking into high. Running both fans in series absolutely keeps the inrush current down, eliminating that "pull down" effect when fans kick on, and...
  13. Hunter79764

    Craziest antitheft idea yet.

    Yep, he could easily palm a basketball and carry oilfield drill bits by hand that most needed a forklift to move, and introduced himself to my dad (coming to get mom for their first date) by splitting the back seams on a pair of gloves when he made a fist before shaking his hand. Dad found out...
  14. Hunter79764

    Craziest antitheft idea yet.

    Similar "Not sure I should admire this, but it was admirable in a way"... My grandfather was a big guy, 6'7", over 350lb (never knew how much over, but the scale at the doctor only went to 350) and was an oilfield roughneck. One his guys quit mid-shift, left the crew in the field with no car, no...
  15. Hunter79764

    1987 Suburban v1500 - what separates the v1500 and v2500?

    I've got an 87 v2500 myself. As noted above, all of that is true. If you are going to tow frequently and/or in rough conditions, some of the 3/4T parts would certainly help. That said, 5000 lbs isn't terrible if you keep it all sane. A trans cooler on a 700R4 is ALWAYS a good idea, especially on...
  16. Hunter79764

    Where to buy LS motor?

    Hey, budgets can happen, you just have to be realistic, make a plan, and stick with it. Just saying "I've got $X I can spend" isn't a budget. And I've seen budget swaps for $500, $5000, and $50,000 that were all "in budget" if that's what they planned from the start, I've also seen $5000...
  17. Hunter79764

    Where to buy LS motor?

    x2 on finding a donor vehicle, maybe a wrecked yukon denali or 2500 truck. Reman motors are going to be pricey, and the whole idea of the LS engine is that you don't have to rebuild a 150k engine, it's good to go as-is if it was taken decent care of.
  18. Hunter79764

    New Tires, What should I do for wheels?

    Because we all need more tools, and you're prepared to spend some cash anyway... Do you have a compressor, and have you thought about this...
  19. Hunter79764

    New Tires, What should I do for wheels?

    Basically, yeah, that price is the same as buying new. But buying new gives you nice, clean, white painted wheels. For $125 locally, you can have them that should be nice, clean, white POWDERCOATED wheels. Unless I'm reading the specs wrong on the new ones, I think its likely a good epoxy...
  20. Hunter79764

    New Tires, What should I do for wheels?

    I think the wagon wheels in White would look best on that truck. If you go with white stock, they need the dog dish. If you go black stock, they can be coverless. You could do black on the wagon wheels, but I think white looks better IMO.
  21. Hunter79764

    Suburban to Avalanche Conversion

    I'm a fan of the modern Avalanche's and have thought about getting one for a daily, but I've got to say that the Squarevalanche doesn't quite do it for me. The K5 Brazer certainly does though... although I've got a 3/4T, would it become a K15 Brazer? K17.5? I don't think I'd lose much capacity.
  22. Hunter79764

    Rearend gear ratios 1980-1987 most common

    My 85 Monte Carlo has 2.14's. Even with short 225/70R14's, the TH350 shifts out of first at about 78 mph or so. I tell people its basically a 4 speed car that's missing 1st gear...
  23. Hunter79764

    Rearend gear ratios 1980-1987 most common

    1987 K20 Suburban (ok, V20...) 3.73 with TH400 73 C20 pickup (grandpa's old one) 4.10 with 3 speed +granny gear 74 K5 and 78 C10, both with TH350 I think, not a clue on either.
  24. Hunter79764

    how fast is your power window?

    Current speed depends on if I've had my Wheaties that morning (I have crank handles on the Suburban), but from what I recall on the power window trucks in the past, there was never a race speed. Seems like faster than 2 or maybe 3 inches per second was as good as anything? Probably not much help...
  25. Hunter79764

    Craziest antitheft idea yet.

    That 3rd pedal is a decent anti-theft measure just by itself, nevermind the lockbox...

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