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Thread: Lower Engine Cradle Brace Install?

  1. #1
    Join Date
    Feb 2004
    Location
    Williamsburg, Virginia
    Posts
    33

    Lower Engine Cradle Brace Install?

    Getting Ready To Have Several Things Installed Including A Kenny Brown Lower Engine Cradle Brace And Need Info On Installing. Any Input And Tips Would Be Appreciated Or A How To Link Would Be Great!? Thanks.

  2. #2
    Join Date
    Apr 2002
    Location
    St. Louis, MO
    Posts
    6,368
    If you have aftermarket downtubes, you might have some clearance issues. I tried installing the LECB years ago, but my exhaust was in the way and I didn't want to re-do my exhaust. I ended up selling the braces.
    Kurt K (e-mail)
    SCCoA Member #: 443
    '92 SC AOD -- 11.521s @ 116.748mph, 2.0 AR power
    . . . . . . . . . -- 13.547s @ 101.01 mph, only w/ bolt-ons
    '95 SC 5spd -- All Stock, except 17" Simmons wheels.
    '90 SC 35th Anny 5spd -- 3rd owner, 16k miles
    2 '89 XR7 5spd's -- on their way out, really!

  3. #3
    Join Date
    Apr 2002
    Location
    Norcross, GA
    Posts
    3,301
    I just installed mine this weekend except for getting it welded to the frame. It took me less than 30 mins. It fit very nicely and did not interfere with my down tubes. I have plenty of clearance on mine but some cars may indeed have a problem here.
    90 5spd, best ever E.T. 12.250
    best ever 1/4mi speed 112.89 mph
    Current dyno tune 383.54 rwhp 418.88 rwt

  4. #4
    Join Date
    Feb 2004
    Location
    Williamsburg, Virginia
    Posts
    33

    Weld where?

    What spot(s) do I need to weld to the frame? Does anyone have pics or a good link for how-to? Do I have to weld in order for them to work? Forgive my ignorance as I have no real idea how the LECB works. Thanks.

  5. #5
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,886
    Quote Originally Posted by JROD
    What spot(s) do I need to weld to the frame? Does anyone have pics or a good link for how-to? Do I have to weld in order for them to work? Forgive my ignorance as I have no real idea how the LECB works. Thanks.
    Forgive my ignorance, but if you have no real idea how the LECB works....why did you buy it ?

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  6. #6
    Join Date
    Feb 2004
    Location
    Williamsburg, Virginia
    Posts
    33
    Because It Came As A Package Deal With The Front Strut Tower Brace And Ive Heard That It Is Relatively Easy To Install!

  7. #7
    Join Date
    Apr 2002
    Location
    Norcross, GA
    Posts
    3,301
    If you don't drag race your SC it probably doesn't need it. If your firewall is cracking you probably do. It connects the front crossmember to the frame rails on either side. I've got mine down off of the jackstands now so I can't take a foto. On the front crossmember where the lower control arm attaches there is a nickel size hole. A nut plate slides in on the top side directly below the end of the lower control arm. The front flat portion of the LECB bolts up to that and the bar goes directly back. There are 2 flat steel tabs (they're wrapped in plastic) that bolt up to the holes at the back and angle up to the frame where they get welded. Rick supplies some directions with a photocopy of them in place. The photocopy isn't real good but if you get underneath and take a look, it'll all fall into place.
    If you've got a MP 85mm throttle body you'll have some fitting problems with the STB. With a 70mm or stock it bolts right up. I've worked out an easy fix using 1/4" spacers that take care of the problem due to the 85mm's larger size.
    90 5spd, best ever E.T. 12.250
    best ever 1/4mi speed 112.89 mph
    Current dyno tune 383.54 rwhp 418.88 rwt

  8. #8
    Join Date
    Feb 2004
    Location
    Williamsburg, Virginia
    Posts
    33
    Awesome, Thanks.

  9. #9
    Join Date
    Dec 2005
    Posts
    24
    Before the welding is to be done, is it recommended to remove any of the electronics - i.e. ECU &audio units, to prtect them against power surge damage?

  10. #10
    Join Date
    Jul 2003
    Location
    South Central Los Angeles
    Posts
    3,538
    u just unplug the battery from all terminals. just take the battery out and u should be fine... ive welded my exhaust without my battery and everything is okay.....

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