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  1. C

    Starter wiring problems

    ETA: I'm a dummy... Didn't realize you are not the OP. Is the battery grounded to the engine block? there should be a heavy battery cable going from the negative terminal to the block somewhere I was kind of wondering if its the giant cable connected to the alternator mounting bracket, it...
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    ‘83 K5- driveshafts reinstallation without match marks?

    Like @Grit dog said... I'd probably just run it. If it vibrates in 2wd consider reorienting the rear joint at the slip yoke. If no vibes in 2wd but has bad vibes in 4wd I don't think I would bother with trying to rebuild the front double cardan again, there's probably 4 different ways that...
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    Gear pattern pics. Need some input?

    ^^^^ this Looks as good or better than any I have done, so long as backlash and TTR is in spec I say run it
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    Single din install problem

    If your metro kit doesn't work out... I fixed one like this for the highshool kid that used to mow my lawn, he had a K5 that someone cut up for like a DIN & Half. I just used a scrap piece of thin soft sheetmetal and a few low profile sheetmetal screws, no real need to weld the radio hole up it...
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    Advice Needed Please!

    @harleychevy86 hasnt been around since October, I wonder if he gave up on us….
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    Advice Needed Please!

    ^^^^This I can hear a black widow web snap from across the room, dead give away is the crackling snapping sounds when they break.
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    Headlamp Adjusters

    lol…. All mine were green except one white, I figured one of them broke at some point in history and was just replaced with whatever was available. That’s rad you have NOS parts, I was really careful with mine planning on reusing but they were dried up and brittle. I just replaced them with...
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    350 vortec 5.7 lower intake leaking vacuum?? Help please

    All good Sir. If you haven't already scrubbed and scraped everything clean, pay close attention to the gasket mating surfaces back there near 6&8. See if you can identify if water has made a path from that rear coolant passage to those intake runners. It doesn't really do a whole lot of good...
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    350 vortec 5.7 lower intake leaking vacuum?? Help please

    The intake runners cross sides in the manifold,
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    350 vortec 5.7 lower intake leaking vacuum?? Help please

    I said they were one time use bolts, perhaps I was wrong. ETA: I read it on the internet somewhere which means it must be true, right? LOL.
  11. C

    350 vortec 5.7 lower intake leaking vacuum?? Help please

    It was the runner for #5 that had the suspected oil puddle right? I'd bet your injectors for holes 5 & 7 are leaking down and washing those intake runners with raw fuel every time you shut the engine off, that's why they're so clean. That or the coolant port right there was pissing water down...
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    Factory charge wire gauge

    Fake it till ya make it Sir!
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    Factory charge wire gauge

    Sounds about right, IIRC the link should be smaller by 4 numbers typically
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    350 vortec 5.7 lower intake leaking vacuum?? Help please

    Did you feel or smell the puddle of oil in the one intake runner? Just curious if it was a puddle of gas and not oil.
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    350 vortec 5.7 lower intake leaking vacuum?? Help please

    @bucket seems spot on… Be sure to order the upgraded lower intake gasket set, the factory style is plastic and the upgrade is aluminum. The aluminum ones are over twice the cost, I think I paid over $50 for my last set. I also bought ARP bolts since the GM ones are supposedly one time use. The...
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    Radiator Support Body Mounts

    Shoot, sorry not much help here. Even using same mounts and bolts on mine the core support mounts seemed to want a little more bolt than I had so your logic makes sense.
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    Just started my first hands on squarebody build, looking for advice

    Welcome to the club… Advice for building any vehicle: 1) Do actually disassemble the vehicle by removing fasteners. The amount of people that go full ADHD with sawzalls and torches is ridiculous. 2) Don’t throw anything away (removed parts, bushings, Etc.) until you have at least completed...
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    Radiator Support Body Mounts

    I ordered the good mark ones from Summit, short ones for core support and front of cab and a pair of tall ones for the rear of the cab. The good mark mounts look almost identical to the ones AMD sells. My truck is an ‘80 so it might be different for the ‘81 and newer bodies. The bolts they...
  19. C

    Factory charge wire gauge

    Stock manifolds from a Vortec SBC, sandblasted and VHT header paint. If I had it to do over I would have done them in Cerakote since they are in such good shape.
  20. C

    85 K20 4X4 6.0 6L80E swap. What are my fuel delivery options. Rear tank?

    I plan on using a similar switch setup except incorporate the fuel pump trigger from the PCM to the switch. Switch output will activate the relays which will pass power to the pump This will allow the PCM to prime the pump for 3 seconds when the key is cycled.
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    85 K20 4X4 6.0 6L80E swap. What are my fuel delivery options. Rear tank?

    ^^^^ What these guys said '87 TBI tanks and senders retrofitted with EFI pumps Pollack 6 port valve rated for 66PSI Earls vaporguard fuel line and clamps Made a steel return line to follow the stock supply line from the pollack valve across to the DS tank Replaced the steel supply line to the...
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    Factory charge wire gauge

    Here you go... 4ga power & ground from 140 amp alternator.
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    Factory charge wire gauge

    When in doubt go heavier and upgrade ground wire while your in there.
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    What’s IT Worth? (Post all “what’s it worth threads here)

    Boy oh boy, thanks for the compliment… My truck was a mess when I got it in ‘96, and trashed again when I started it this time. If I would’ve started with one this clean I would’ve D/A’d it down, primed, blocked it out with 400, primed, blocked with 600 and squirted it with factory matching...
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    6l80e to np205 brace

    I've never done the 6L80 swap but have done 4 speed SM 465 to 5 speed NV1500 manual to 700R4/4L60 swaps... From my understanding 6L80 & 700R4/4L60 are approximately the same length, since these chassis have had 700's in them it should be a straightforward process. Drop the crossmember and...

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