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Thread: 6g74 / built atx

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    6g74 / built atx

    A slight change of plans from what I was originally looking to do, but this sounds a little more unique, and it's going to save me quite a bit of time, so I'm gonna go with it.

    About a week or so ago I ran across a good deal on a green atx 94 sl with 90k miles. It supposedly has with a shift kit, high stall tq converter and lsd along with a few other extras. It also had the removable sunroof, so I was happy about that. The engine in this was blown, making it much more affordable. And I just finished getting my 3.5 ready, so this was good timing. Anyway as soon as I got it home, I went to work on it.



    came with some custom headers/downpipe too


    if you're wondering why it has a boost gauge, it had a supercharger, but that was gone when i picked it up. it does still have the safc tho


    first order of business was to swap out those wheels
    __________________________________________________


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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    Here's my 3.5, just sitting there waiting on a new home


    Here's my makeshift battery relocation kit. It's actually an amp kit, but its supposed to be 0 gauge and it ended up only costing me like 20 shipped, so I couldn't resist. I held the ground wire up next to the front springs and its the same size, lol


    I had a few other upgrades, but since they were for the 5spd, so I can't use them yet.

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    Keep us updated with pics, let us know if you have any questions along the way!
    Engine setup looks VERY clean.

    -Chris

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #Prep for pulling old engine

    disconnected battery
    put shifter in neutral
    ebrake on and wheelchock behind back tire
    removed intake
    locked neutral safety switch with an allen wrench in pinhole (neutral position)
    disconnected shifter cable
    removed battery tray and washer reservoir
    removed hood, set on roof of car
    jacked up front end, on 2 jack stands
    front wheels off

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #More Prepwork For Removing Old Engine / Trans

    unbolted struts
    unbolted abs and brake lines for more slack
    removed axles from spindles
    removed ds axle from block and slid out of trans
    removed starter
    loosened trans bolts
    loosened motor mounts / transmission mount
    removed downpipe


    unbolted strut


    ds axle, unbolt the block axle mount and slide the axle out
    Last edited by n2nsanity; 03-21-2011 at 02:12 PM.

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #More Prepwork For Removing Old Engine / Trans

    jacked up engine slightly
    disconnected fuel lines, should have used an oil pan to catch it
    drained radiator to jug (drain cock in bottom front driver side)
    disconnected rad hoses
    disconnected atx lines from rad, drain in pan, maybe should drain from atx also?
    disconnected ps hoses, drain in pan
    disconnected rad fan connectors
    disconnected alt/ac connectors
    disconnected a/c lines
    disconnected trans connectors, spd sensor

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #More Prepwork For Removing Old Engine / Trans

    removed upper mani for easier pull
    wrapped a tow strap through front header and rear intake mani brackets
    connected engine hoist and put light tension pulling up
    removed motor mounts / trans mount
    removed radiator for more room
    any loose lines were pulled out of engine bay and tied back
    Last edited by n2nsanity; 03-21-2011 at 02:14 PM.

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #Pulling Old Engine / Trans

    pulled out at 45* angle, engine side up, ps axle still attached



    Last edited by n2nsanity; 03-21-2011 at 02:08 PM.

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #ATX Swap

    removed trans bolts, much easier as they were loosened earlier
    removed trans from 3.0
    removed tq conv access plate (bottom center of block)
    loosened tq conv bolts (locking crank pulley helps, but better to do this before removing from car while wheels are still on ground.)
    removed tq conv from 3.0
    installed tq conv on 3.5 (i'd also recommend not tightening them all the way til the eng/trans back in car and wheels on ground. and use thread lock)
    lined up 3.5/trans (atx flat on dolley, 3.5 on hoist
    shaft lines up like this ( \ \ ) looking from passenger side
    slid atx onto 3.5
    installed trans to block bolts
    ready to go


    it's pink, lol


    access plate removed


    Last edited by n2nsanity; 03-22-2011 at 03:02 AM.

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    94 3500gt vr2? verified Feedback Score 9 (100%) n2nsanity's Avatar
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    #Dropping 3.5 / Trans In

    sealed up all loose hose ends with plastic wrap and tape
    cleaned engine bay with some degreaser
    installed new poly motor mounts (this is the best time to do this btw)
    3.5 / trans in air, passenger side axle and trans angled down 45* (definitely a 2 person job)
    slowly lowered engine / trans in


    new mounts




    nothing like a midnight engine swap
    Last edited by n2nsanity; 03-22-2011 at 03:17 AM.

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