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I'm really hoping some1 can answer this b4 2marrow

This is a discussion on I'm really hoping some1 can answer this b4 2marrow within the Suspension and Handling forums, part of the General Help category; Does anyone know what size bolts come with the UMI 3 point sub-frame connectors, i ordered them about a year ...

  1. #1
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    I'm really hoping some1 can answer this b4 2marrow

    Does anyone know what size bolts come with the UMI 3 point sub-frame connectors, i ordered them about a year ago, and i seems when my dad and i were cleaning the garage sometime in the last year. the little baggy with all the bolts have gone missing. i just figured this out today, and tomorrow seems like the only time ill have for a very long time to do these. so i plan on going in the morning the pick up some bolts the same size, can anyone help me out I've have searched, cant find anything. again i need all the bolt sizes for the UMI 3 point Sub-frame connectors thank you.

  2. #2
    NY Representative basballny2's Avatar
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    my guess is there the same size as the UMI 2 pt's because they use the same holes.....i got the bad upstairs let me go check real quick

  3. #3
    NY Representative basballny2's Avatar
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    2001 ws6

    1/2'' bolts with 3/4'' heads however there's 2 metal plates that come in the package
    4 of the bolts are an inch and a half
    2 of the bolts are 4 and a quarter

  4. #4
    NY Representative basballny2's Avatar
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    2001 ws6

    the metal plates are 5 1/16'' long 3/8'' thick 1'' wide

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    Member Blue28's Avatar
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    Just go ahead and have them welded on.

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    Senior Member Z28_Driver's Avatar
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    You won't be able to bolt them in wihtout the two plates. No stable way to secure the front mounting point without them.
    You could weld on like suggested.

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    im gonna have them welded on by a friend of mine up at school, but he cant do untill the end of the semester. this weekend is my only one off so kinda have to bolt them on for now.
    Chris

    2000 Camaro SS - ported BBK throttle body, ls6 intake, granatelli MAF, yank 3,500 stall torque converter, Texas Speed Torquer 3 cam, hedmann headers and y-pipe, slp intake lid, Flowmaster cat-back exhaust, gasket matched heads, dyno tuned, built trans, UMI 3-point SFC. 11.58sec

  8. #8
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    Quote Originally Posted by Z28_Driver View Post
    You won't be able to bolt them in wihtout the two plates. No stable way to secure the front mounting point without them.
    You could weld on like suggested.
    yea i just figured out how much of a PIA to try and do them with out the plates. im gonna have to make them. not too hard right? lol, gonna take me all day.

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    ok so i did them with bolts and nuts any ways, just took a long time and and a lot of "choice words".

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    why dont you just call and ask umi ?

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    Quote Originally Posted by shady milkman View Post
    why dont you just call and ask umi ?
    all done with it, well kinda just have to wait for someone to help re-connect the LCR

  12. #12
    Senior Member Z28_Driver's Avatar
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    I wouldn't trust nuts, bolts and washers to hold the front of my sfcs on. The plates spread the force out more than a washer will. If you did that, at least you should have used grade 8 hardware. I've done some quick fixes before, but that one is too much for me. You should get the correct hardware or have them welded in. Your safer leaving them off the car until the proper install can be done.

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    Quote Originally Posted by Z28_Driver View Post
    I wouldn't trust nuts, bolts and washers to hold the front of my sfcs on. The plates spread the force out more than a washer will. If you did that, at least you should have used grade 8 hardware. I've done some quick fixes before, but that one is too much for me. You should get the correct hardware or have them welded in. Your safer leaving them off the car until the proper install can be done.
    they are all grade 8 hardware, the washers i put on have the same surface area as the plates do. therefore the same amount of force.. and the nuts have more threads then the plates do. plus with-in the next 4 weeks I'm having them welded on. just had to get them to school, installed.

  14. #14
    Senior Member Z28_Driver's Avatar
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    The washers will not distribute the load in the same manner as the bolt in plates. And unless you are using some very thick washers there will be a certain amount of twisting applied to the bolt when you corner. Possibly enough to get a bolt to bend or even shear. You might get by with it for a while, but there is some risk to it. Get the sfcs welded in asap.

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    well i just ordered the plates from umi today, figured it will be a quick and easy job to take out the nuts and replace them with the plates, have to go under and make sure everything is still tight any ways.

  16. #16
    Senior Member Z28_Driver's Avatar
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    Best way to go until you can get the weling done. No put in trashing the car because of a quick fix. Good luck with your ride.

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