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  1. H

    pcv port and breather port have vacuum on them

    Ok guys, this one has me looking for some answers and ideas. To start off, I'll just say the motor is a carbed 350, dart heads, edelbrock intake manifold and new edelbrock 1906 carb. Nothing real crazy, just something thats fun to drive and it gets used for work around the property as well...
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    Wiper Issue

    Ok, I've been reading through old threads for the last hour and found one mention from a guy who was having the same problem as I am having, but there was no fix for it. truck is an 86 gmc k1500 and when I turn the stick to kick on the wipers they work fine. When I return the knob to the off...
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    Crappy day

    Welp. I finally got my truck back from the transmission shop yesterday... made it about 100' put of the parking lot before I noticed a light knock in the motor..... tried to limp it to my folks' place but by the time I got there it sound like someone was shaking a coffee can full of rocks in...
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    weird noise

    Ok gents, My newly rebuilt 400 small block is making a bit of a weird noise, I think.... when driving down the road, if I give it a little bit of gas I get this tinny rattling noise that sounds like it's coming from the exhaust behind the cab. But it only sounds like it is doing it on the...
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    Air door in passenger side kick panel

    Anyone got a picture of this little door and the actuator and how it's installed? My truck is an 86 gmc k1500. I know how the actuator goes on, what I'm having difficulty with is how to hook the return spring. I can't seem to find what the return spring is supposed to hook up to.
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    86 gmc 1/2 ton long box dual tank

    looking for an 8' bed for my 86. Dual tanks, and I'm looking for something that needs pretty much zero rust repair. I'd prefer dent free as well, but If I gotta deal with a couple small dents that's fine. Just not looking forward to doing the repairs on my current box so I'd rather drive...
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    Serpentine Conversion

    Ok Gents, I'm getting ready to do my serpentine conversion on my 86 gmc k1500. I've picked up a donor 350 out of a 99 k1500. It was free so hopefully it will work. I can already tell that the idler pully needs to be replaced because it's loud as heck when I spin it by hand. I've got most of...
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    700r4 cross member spacers

    Ok, so I had to drop my transmission to send it off to be rebuilt and swapped to a new case because the old case was cracked. When i went to pull the cross member I noticed that the bolts had spacers on them, but they were not between the cross member and the frame rails. The cross member was...
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    torque struts

    I have an 86 gmc k1500. I need the torque struts (I think thats what they are called) that go from the motor mounts to the transmission bellhousing. anyone got anything that will work for me?
  10. H

    Throttle cable / trans cable mounting bracket with a high rise intake

    Anyone know if there is a 1 piece mounting bracket out there that handles both the Throttle and transmission cables for use with a high rise intake? If I got to I will buy each separate, but was hoping to get them together
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    lifting the front of my truck to level it out

    Ok, If I had to guesstimate I'd say my 86 sierra 1/2 ton has about a 2-3" rake to it. I'm dropping a 400 sbc in it shortly and would also like to get it leveled out. I've been looking online and have seen the zero rate add a leafs, the helper springs and also the plain jane Rancho 2.5" lift...
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    Time for an Engine build

    Ok fellas, it's time to start doing some work on the 86 gmc sierra 1/2 ton. I've spent countless nights doing research on LS/vortec swaps, 400 sbc builds, and 383 stroker builds. My end goal is lower rpm torque. This truck is my hunting/putting around truck and I would love to be able to...
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    identifying motor in my new truck

    So, I bought a new truck. Sold the old blue 86 k20 and picked up an 86 gmc sierra 1500. The new truck originally had a 305 in it, but the P.O. transplanted an older 350 into it. Only problem is, he doesn't know how much older... the number that is stamped into the boss on the front of the...
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    LMC Window Seals

    Anyone here ordered window seals from the LMC site? I'm lookin for seals for the windows on both doors of my 86 k20. I was reading some comments on the net about the seals that LMC sells and there were a lot of comments that were net very favorable. Anyone here had any experience with them?
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    86 chev k20 seat swap

    The seat in the truck that I recently bought just plain sucks. I've got a line on a rear 60/40 split bench seat that's in great shape out of an 07 chevy classic crew cab. I'm thinking it should fit in the k20, with a little bit of fabrication for a mounting system. Anyone done this before...
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    First time squarebody owner

    Welp! I finally bought a square body, I currently drive a 2015 Silverado and am putting way too many miles on it. I'm a hunting fool so I figured I might as well break down and buy an old truck to wrench on and use for a hunting rig. I bought an 86 K20 Scottsdale with a 6" lift and 36" rubber...
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    1986 k20

    Anyone know if 16" stock rims from a 2004 chevy will fit on my 86 k20? I know they are the right bolt pattern, just wondering about clearence for the brakes and stuff. The truck currently has 16.5"x12.5" rims on ( I know this isn't the factory size) and i'm wanting to switch to a more common...

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