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  1. Hunter79764

    5.3L LS checklist with part numbers

    I'm not certain, but I assume he means a 1991 speedometer (From a Blazer/Suburban square body) swapped in, which was electronic, no cable required. Get a VSS generator from the same folks that make the pass-through VSS and then you can change the speedometer through the computer to adjust for...
  2. Hunter79764

    How a relay works

    That makes me think there might be an issue on the plug then. IIRC, there's some difference in GM vs everybody else for a few years on how headlights were wired. One camp had the ground shared and you apply 12V to one terminal for low beam, then 12V to the other for high. The other camp was 12V...
  3. Hunter79764

    How a relay works

    I'd pop the cover and inspect it for sure. The other thought coming to mind is maybe a stray wire or two from a bad crimp that is making "some" contact to another pin? Hard to say, voltage bleed isn't a real common thing and could be a pain to track down... FWIW, I've run similar stuff usually...
  4. Hunter79764

    How a relay works

    If you learn by seeing and touching vs reading, take one of those cheapie relays and pop the cover off. Most can be exposed easily, look at the contacts, then click it on an off by applying 12v between 85 and 85, so you can see the arm click. Little known fun fact, HVAC relays that run on 24V...
  5. Hunter79764

    New guy in Dallas to the forum

    Welcome from Grand Prairie!
  6. Hunter79764

    Tools for trip

    Yeah, that would leave a bad taste in my mouth too... FWIW, I've done this on my 87, a '73, my 85 Monte (before and after an LS swap), a FWD Saturn, a '91 Toyota Cressida, and a 2013 Yukon without issues, but come to think of it, that Cressida did do something similar once the head gasket leak...
  7. Hunter79764

    Tools for trip

    I know Rick is joking, but that seriously sounds like the load my grandad carried in his motorhome on road trips... I remember one time I mentioned that the brakes were grabby on the hunting truck (which was a chopped up '48 Chevy truck) at the ranch, and he went to his RV, dug under the seat...
  8. Hunter79764

    5.3L LS checklist with part numbers

    That pass-through is what I had, then I smashed it repeatedly until it broke (lesson learned, just because it "fits, but is close" when sitting still does not mean that it keeps clearance when driving "spirited" for a while. Make sure you have plenty of clearance around it at install). Skipping...
  9. Hunter79764

    77 305 Hesitation from idle

    Engineer here, there's no such thing as 45" of vacuum, at least in inches of Mercury/InHg which is what is typically used. Not that it really matters. The vac gauge might have some different units, or maybe it jumps to 25 and you got your numbers mixed, happens to me all the time. But a video of...
  10. Hunter79764

    5.3L LS checklist with part numbers

    FWIW, I've run mine with a TH350 with and without a VSS and have not noticed much difference on my Monte Carlo swap. It is entirely possible I'm leaving some MPG on the table, I get about 19 everywhere with DEEP highway gears and a stock engine, I never got a good reading on MPG with a VSS...
  11. Hunter79764

    5.3L LS checklist with part numbers

    If you run the earlier return style fuel rail (which should be easy to find on a pull-out motor), you do not need a standalone regulator. It is the better design, but GM dropped it for cost savings later in the run. But you will need to make sure you have a good return line (5/16" preferably)...
  12. Hunter79764

    Tools for trip

    Second that you can't bring significant tools in carry-on (you might be able to do a pair of pliers or adjustable wrench, but probably not worth it.) Buying a set and returning seems like the most responsible thing. I would vote bringing a decent electrical meter, fuse tester (maybe, TSA might...
  13. Hunter79764

    Crazy Air Compressor Idea

    And if you REALLY want to have fun, I'd guess you could run that Eaton blower on 2 cylinders and compress air with the other 6. There would be vibrations and custom parts galore to keep yourself entertained! Or the more responsible option would be to overdrive the heck out of the blower and feed...
  14. Hunter79764

    Crazy Air Compressor Idea

    If you're setting this up as a "Utility Station", consider using the PS pump for hydraulics source with a little bit of fittings, filters, and reservoirs. Hydraulic jack or ram might be convenient at times for frame straightening etc. Doing something similar to above "Hillbilly generator" would...
  15. Hunter79764

    Crazy Air Compressor Idea

    It can certainly work, just needs some thought on the front end. What's your compression ratio existing, and what pressure do you want to end up with? You would have to have at least 8:1 compression ratio to get a possible 120 PSI, but that would be at zero flow, basically. Higher compression...
  16. Hunter79764

    Hydro boost

    I have an '04 Yukon Denali with Hydroboost, I planned on swapping onto my '87 unless someone has good reason why those wouldn't be good donors. I think Escalades of a similar year had it too, but my '13 Denali has conventional vac system.
  17. Hunter79764

    Should i fix the TBI or go to carb? And what's this wire?

    You have a reliable pump and return system with the factory TBI stuff, use it. Put a bypass regulator up front for 4 psi or whatever is needed on your carb, return through the stock return line, and you're set. Worst case when you remove the computer etc, you may need to run a new ignition wire...
  18. Hunter79764

    4l80 swap question

    Are you asking if a 4WD can be converted to 2WD? If so, the answer is definitely yes, but basically requires a full teardown to replace the output shaft etc as Matt pointed out. Or are you asking if you can install it with the transfer case as a money saver, not hook up anything to the front...
  19. Hunter79764

    Silencing electric fuel pumps

    That's why I was asking about pump and HP. You could run it at reduced voltage until you get to a certain load point or pressure or something and then it kicks to full voltage. Basically the same idea as a Boost-a-Pump, but in reverse. Sounds like you have done the right stuff so far, I'm...
  20. Hunter79764

    Silencing electric fuel pumps

    I'll show my ignorance here, I don't have experience on truck tanks, but if it has straps, are the insulators on and installed properly? If they are direct mounted, is there an insulator there? I'd think some dynamat or similar would help, maybe on the underside of the bed instead or as well? On...
  21. Hunter79764

    Battery posts corrosion wtf

    My grandpa's safety advice to me was along the lines of "If you're going to do something stupid, at least be smart about it". I've been up in a cage on a forklift, properly tethered to the lift and me to the cage, and it was fine. I've been up on a lift on a sturdy pallet with nothing but my...
  22. Hunter79764

    Do I rebuild my SBC or swap for an LS3?

    My $.03 (due to inflation) is to LS swap, but ignore half the stuff you think you know about LS swaps. You do'nt need a 100k motor or to rebuild it unless it's over 300k and you don't know the history. If you can see it run and there aren't signs of abuse (caked oil, silicone coming out of the...
  23. Hunter79764

    and i trusted the fuel gauge for WHAT reason?!?

    I had a cavalier back in college that stalled out but was able to roll it home, no fuel pressure, changed filter, no start, couldn't hear the pump run, so diagnosed it as bad fuel pump. It had over 250k, so not surprising, and about $100. Dad made plans to come up for the weekend to help me out...
  24. Hunter79764

    What new tools have you got lately?

    Not exactly a "New Tool", but a good one anyway. I got tired of baby-ing my cell phone and/or messing with cases that are basically luck of the draw on quality etc., so I started looking into rugged phones a while back. Found a company called Blackview that makes rugged phones and bought one...
  25. Hunter79764

    Engine temp isnt rising

    HF temp guns are worth all the pennies spent on one... Good luck on it.

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