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  1. Hunter79764

    How much more power can a 5.3L make without hurting road manners or gas mileage?

    Good advice in here, I'd say that you could touch up the heads a bit if you wanted, it would add a little without much downside as long as you are just talking basics. Opening up the cam timing can gain quite a bit, but a good tuner can keep it very civil at idle, and will get the most...
  2. Hunter79764

    Can you run Schaeffer 50W oil in a SM465?

    Maybe not directly applicable, but I was recently told by an industrial expert in the field to use non detergent oils in gearboxes, as the detergents that are often found in motor oils contribute to foaming as well, which can cause all sorts of issues. Sounds like it might be X2 on Non-Detergent...
  3. Hunter79764

    Air Conditioning leak checking / finding information sharing thread

    It's great for low temp stuff. They still use it for supermarket coolers, but usually in a cascade system where the ammonia cools a different fluid outside, then the cool fluid is pumped through so that an ammonia leak doesn't go inside where customers are... Also used in RV fridges in a pretty...
  4. Hunter79764

    LS Fuel Pressure

    Basically you should see 58 psi with atmospheric pressure on the vacuum line (key on engine off, unplugged vacuum line while running, or WOT operation should all get you about the same "full" pressure), then with the vacuum line connected, your fuel pressure drops 1:1 with engine vacuum, which...
  5. Hunter79764

    Air Conditioning leak checking / finding information sharing thread

    Timely post, I've got a leak I need to find on my motorhome (05 Kodiak chassis). Last summer I had a compressor failure following a leak, replaced the compressor, condenser, 2 of the 3 lines, evaporator, drier, and orifice tube so I'd never have to worry about it again. Drove it this spring...
  6. Hunter79764

    LS Fuel Pressure

    53 is pretty close, that's about 10 inches of vacuum, so might be a little high but not outrageous if you have a cam etc. I think stock goes a little under 50 at idle and up to 58 at WOT and/or vacumm line unplugged, but the ECM should be able to adjust +/- 20% ok. Sounds like you have a...
  7. Hunter79764

    6" lift what wheel and tire size can I fit? I want 35's but don't know how wide of a tire and rim i can fit.

    Similar boat here, but I'm a lot farther from actually spending money on my truck so I haven't posted much on it. Something I wish was common information is some kind of consistent measurement for lifts. i.e., what is the distance between the axle centerline and the beltline of the truck (since...
  8. Hunter79764

    Basic volt drop test

    I'll add the next step, when you see a voltage drop, move one of your two connections to see when it changes. If you see 2V drop from the fuel pump to the battery, try the fuel pump to the frame near the battery to rule out a bad battery ground. Then check between the fuel pump terminal and the...
  9. Hunter79764

    Blue Print or GM Performance

    I don't have any real firsthand experience with either, but I know my uncle installed a Blueprint 383 into his boat and had a couple good seasons of hard use with no issues. It ran good and would just about suck the water out from under the boat. I don't recall any complaints, I'm sure they did...
  10. Hunter79764

    Tranny's Bunghole!!

    Yeah, a friend had a Cavalier with an auto trans and no dipstick. I get trying to save some cash on manufacturing, but just a couple of warranty claims seems like they would start losing money. I can understand it a little more on manual gearboxes (being less maintenance friendly) given that...
  11. Hunter79764

    Tranny's Bunghole!!

    The factory only needs to fill it, not drain it... Or it's a "Lifetime Lubricated" unit, which is anything with oil or grease, if you think about it.
  12. Hunter79764

    Daily driver turbo

    Check out some of Richard Holdener and/or Sloppy Mechanics stuff on Youtube. Even if you aren't doing a Stock Bottom End (SBE) budget build, you can get a good idea of what they can take in stock form, and understand which upgrades you want to do and which aren't really necessary etc.
  13. Hunter79764

    Daily driver turbo

    Sounds awesome! It ought to be fun, but x2 on the low compression. That's plenty "safe" but probably overkill low if you haven't bought parts yet. Plenty of guys are running double digit boost on stock CR, dropping to 8.5 might feel like a dog down low in Daily Driver mode, and probably not help...
  14. Hunter79764

    Pissing match

    (skipping specifics of previous posts but adding hopefully some useful information) Headlights are generally regulated by power, which was fine when everything was halogen based, 55w is more than 50w, etc. Essentially all lights were the same temperature/color, and wattage was defined by bulb...
  15. Hunter79764

    Screw and bit/bob’s organization?

    Baby food jars are getting in shorter supply, replaced with pouches. Akro Mils has some good stuff if you want to buy bins and organizers, plastic stuff made for commercial/light industrial use. I've got some wall mount drawers, then plenty of the stackable and hangable bins. They are probably...
  16. Hunter79764

    Equal - Tire Balancing Beads, No weights to Lose

    FWIW, I am using some of the small ceramic beads in my DD with something like 205/70-16s, no negatives. I used the recommended dose from the OEM in their kit form, seems like it was 3 oz or something. I thought I had tire imbalance and didn't want to mess with tire shops and honestly just wanted...
  17. Hunter79764

    5.3L LS checklist with part numbers

    Don't underestimate making sure that cables and pivots are clean and/or lubricated. I had a high idle problem once that ended up being dirt on the cable hanging it up... Aside from that, I think there's some Idle Air Control tuning that can cause a slower return to idle etc., but I'm not smart...
  18. Hunter79764

    GMT400 tank swap

    Suburban tanks were different sizes, I think a 26 gal, 32 gallon, and 40 gallon IIRC, each one has a different sender. I've got the 26 in mine, unfortunately, but replacements are available for all sizes.
  19. Hunter79764

    '89 GMC 'Burb grill swap questions

    As soon as I can justify having a single cab truck, that's on my short list, setup nearly exactly as above. Possibly stepside if I found one. And LS swapped, the later the interior the better.
  20. Hunter79764

    Ignition cylinder and steering lock question

    Well, I couldn't get to the spring. Got the cylinder replaced etc though. I'm not sure if I trust it, but I put a plastic ring behind the lock plate and trimmed everything to fit and have clearance, except for the lock slots, which keeps the pin from engaging. I'll try it a while before I...
  21. Hunter79764

    2001 Yukon 2nd and 3rd row seats in a square body Suburban

    The second row is different, but 3rd row is the same. There's two bracket designs for 3rd row, one for the one piece 3rd row, and the 2 piece 3rd row adds a couple anchors, otherwise all tahoe/yukon/escalade/suburban 3rd rows from 2000-2014 mount up the same. I was hoping it was full length...
  22. Hunter79764

    2001 Yukon 2nd and 3rd row seats in a square body Suburban

    Just to clarify, these are Yukon as in "Tahoe Length", not Yukon XL as in "Suburban Length", right?
  23. Hunter79764

    Ignition cylinder and steering lock question

    I believe it does, thanks! I'll holler back if I have any issues or questions.
  24. Hunter79764

    Ignition cylinder and steering lock question

    I'm preparing to dig in, but have not done so yet. Hopefully this isn't a painfully obvious question once the parts are in front of me... I believe I need to replace my ignition/key cylinder soon. Occasionally it won't let me turn the ignition off without pressing the cylinder in further and...
  25. Hunter79764

    How a relay works

    Early 90's GM and FWD stuff had some nice relays that work well for retrofits. They were starting to have more electric fans and accessories like that, but not the integrated fuse block/relay panels modern stuff uses. I've got quite a few relays with sockets and wire harness pigtails from Buick...

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