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  1. Retoxtony

    GM 4200 I6 swap?

    Has anyone done a 4200 series inline 6 swap on a square yet? My plan has been to do a LS type swap but decent engines have really gone up in price in my area. A higher mileage 6.0 and 4l80 is going to be over 3k from what I’ve found. I’ve come across a few people starting to mess with the Atlas...
  2. Retoxtony

    Let’s talk about headliners

    It looks like I’m going to have to replace my factory headliner. Last winter when I started to work on my interior I recovered the original with the same plaid material that was used for my seat. I love the way it looks but it’s starting to sag a little in a few places already. The question is...
  3. Retoxtony

    4l80 swap question

    This might be a bit of a dumb question but I’m unsure of the answer. It came up in conversation with a friend when I was saying how i was having a problem finding a 2wd donor truck to do a LS swap. 4wd trucks are everywhere ( I actually own a 1500hd I could use) but 2wd trucks are like hens...
  4. Retoxtony

    Flip kit ended up too low. Now what?

    I finally got around to doing the rear flip kit on my 79 yesterday and the end result is way more drop than I anticipated. By my measurement, my Belltech 4/6 kit gave me a little over 7 inches in the rear and almost 3.5 in the front. So now I have a reverse rake that does not look good. I assume...
  5. Retoxtony

    Rear bumper difference 73-80 vs 81–

    I was wondering if anyone can tell me what the actual difference is between bumpers on a 73-80 vs 81 forward. My truck is a 79 but the previous owner mounted a 81 and newer bumper on it. The bumper is in rough shape so I was going to order a new one but I’m don’t know if my mounts will line up...
  6. Retoxtony

    Upper control arm mounting studs. Source other than LMC?

    Just like the title says, has anyone managed to ever find a source for these studs other than LMC or a auto wrecker? They are discontinued by GM and I haven’t found them anywhere else. When I pulled my upper control arms out the other night one of these studs has some bad threads. LMC has...
  7. Retoxtony

    Brake parts questions on a 79 sierra.

    Hopefully a easy question for someone here. Are brake parts like calipers and pads the same for trucks with the HD (1.25) rotors vs the smaller ones? I was ordering some parts this morning and both at Napa and then on Rock Auto they dont differentiate between them. Unless I’m missing something...
  8. Retoxtony

    Cab rust repair help-- Which panels do i need?

    I found some rust while doing the teardown on my 82 that i wasnt expecting. Its about 7 inches long right at the bottom of the seat hump on the drivers side. I'm planning on doing the repair myself but i'm a little unsure which patch panels i need to order to do the repair. When i look at the...
  9. Retoxtony

    Retrosound Hermosa or Custom Autosound?

    I’d really like to update the stereo in the truck and since I’d rather not hack into my dash with a normal size deck these seem to be the 2 choices available. Both are quite expensive but pretty close in price if you look at the models with comparable specs. Does anyone have experience with...
  10. Retoxtony

    275/60r15 vs 255/70r15 on stock rally wheel

    Some of you may have saw my 79 I just bought. It needs tires to be useful for now. I’m a little torn between the 275/60 and the 255/70 and how it will look and feel on the truck or if I should be looking at doing the wider out back/skinny up front thing. Anyone have pics to share? I’ve been...
  11. Retoxtony

    New guy here with a 79 GMC

    New guy here. Bought a 79 Long Bed a few days ago from a friend of mine. The truck has some back story and has been through a few owners the last 15 years or so, but i know everyone involved quite well with the exception of the original owner. The truck was originally from Montana but after the...
  12. Retoxtony

    Adding trim to a plain sided 79

    Pretty simple question i guess, can i add the nice side trim that the two tone trucks have onto a plain sided truck with no trim? I’m considering buying my friends 79 GMC High Sierra. The price is really good, the truck is in really nice shape, runs good, no rust, garage kept, etc. Pretty much...

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