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    5.3 LS TKO 600 Swap 87 C10

    Hey guys, I'm undertaking a big project on my first square body and that is to pull the 350TBI with a Muncie m20 in it and put in a mild 5.3 with a TKO 600 AND retain the stock mechanical clutch linkage (I know 87 comes with hydraulics but this truck is a frankentruck). For anybody that's...
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    Strange Fuel Leak Engine Bay

    So guys, I recently bought an 87 TBI r10 and I got the occasional whiff of raw gasoline from time to time but I always figured it was from running no o2 sensor since the previous owner did headers without the proper o2 ****. Well today I was in a parking lot and I ran in real quick to grab some...
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    Strange Uknown Fuel Leak

    Hello all, So I have been smelling raw gasoline from time to time but I assumed it was from my truck not having an o2 sensor installed until I parked in a parking lot today and when I came out There was a large puddle of gas on the ground. I found that it was coming from this random hose in my...
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    Adding an o2 Sensor

    Hello all, I have a TBI truck that has been absolutely cannibalized by somebody and one of the things I've realized is that it does not have an 02 sensor since someone put on shorty hooker headers on it. I have not found any wiring for it or any other o2 sensor related hardware so does anybody...
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    Muncie Swap Botch Job Manual Clutch

    Hello fellow square body owners, I recently bought my first squarebody (1987 gmc) and it was swapped from an sm465 to a Muncie m20 but it was done extremely poorly. First of all I pulled the transmission shortly after purchasing because it wouldn't shift right (couldn't even find the right...
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    Rear Window Sliding Glass

    So I looked through this forum and didn't really get a clear answer and I was wondering if anyone can help me out. I am missing the trim piece in the center of my rear sliding glass. I am brand new to the square body platform and I do not know if this is factory but I am wondering whether or not...
    • atvjoey
    • Thread
    • rear glass rear window windshield
    • Replies: 66
    • Forum: Exterior
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    Unbelievable Turn Signal Issues

    Hello, This is my first post so bare with me if its in the wrong spot. I just bought a 1987 gmc r15 and I knew it had problems but these turn signals have me stumped. Someone before me replaced the turn signals with some kind of motorcycle light I think or maybe trailer lights and when I engage...
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    Introduction

    Hello forum, I am brand new to the squarebody truck platform so this is exciting. I did buy a doozy of a project truck so I will have some questions that some might find funny but cruel like a tricky problem where my turn signal primes my fuel pump. Its a franken-truck of parts including a 350...

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