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How to: tire rub, cab mount mod...

Discussion in 'Wheels & Tires' started by schoonie, May 18, 2009.

  1. May 18, 2009 at 12:28 AM
    #1
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    Hey all...

    Anybody interested in cutting and "boxing in" your cab/frame mount may find this usefull. This thread is not for the squemish as it contains cutting and welding of factory equipement.

    A little over a week ago, I posted here about some 33" tire rubbing issues I was having.....after collecting a few good ideas for how to remedy my problem, I finally decided to go with the solution that was furthest down on my list and seemingly, the scariest of all. I have my reasons though.

    First off, I'm lovin the looks of the Motmetals and 33', so there's no way in Hell that they're gonna come off. Second, after looking at the body mount I came to realize there is a lot of room for this mod without compromising the integrity of the frame function.

    I'm kind of a do it yourself person, so I've decided to tackle this project on my own. Why pay someone to do what I can do, for way cheaper and well...maybe even better, plus it will be kinda fun and I'll walk away with a sense of accomplishment when I'm done.

    Here is the start...there's some before pics in this link http://www.tacomaworld.com/forum/2nd-gen-tacomas/36965-finally-got-lifted.html

    Looking up, with the tire fully kinked, I used a plumb bob (of sorts) to align and mark where the tire would rub at full articulation, and then made my mark about 1/4-1/2" further back.
    Before cutting, I marked all of where I would cut...to better give me an idea of how I would need to patch the gaping hole. Sorry, no pics of my marks. I'll be doing the passenger side tomorrow, so hopefully pics then.

    Here's the hole...hope to weld in some plate tomorrow.
    [​IMG]

    Tons of clearance now...but, this is on level ground. The red line shows roughly where it used to rub.
    [​IMG]
     
  2. May 18, 2009 at 2:32 AM
    #2
    it's in coma

    it's in coma Well-Known Member

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    what did you use to cut the metal?
     
  3. May 18, 2009 at 3:03 AM
    #3
    brian

    brian Another Traitor

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    :popcorn:

    Please tell me how long this takes you to do... thats pretty much the only thing stopping me right now is having enough time to do it.
     
  4. May 18, 2009 at 7:26 AM
    #4
    Negative1

    Negative1 Well-Known Member

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    Awsome... Kudos to you for having the cahuna's to get right in there and remedy the problem.

    Can you post after pics of the boxed in plate welded in place?
    Your truck looks awsome with the new lift/wheels.
     
  5. May 18, 2009 at 7:32 AM
    #5
    Dark Knight

    Dark Knight Well-Known Member

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  6. May 18, 2009 at 7:36 AM
    #6
    drew02a

    drew02a Rocking your mom's world Since 1997

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    I'm sure it could be done even if all you had was a grinder.
     
  7. May 18, 2009 at 8:04 AM
    #7
    Rippin101

    Rippin101 Well-Known Member

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    Good work, way to get in there and get 'er done! :D
     
  8. May 18, 2009 at 8:12 AM
    #8
    Fire931

    Fire931 Well-Known Member Vendor

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    haha.... thanks for reminding me. i cut mine like a year ago and have never gone back and boxed them in... guess maybe i should look into that. ohh and no worries on your cut... mines cut WAY more than that and hasnt given me any problems at all.
     
  9. May 18, 2009 at 5:51 PM
    #9
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    Funny you should ask...beleive it or not (and let me just add I do know better and I'm not proud of this) I started with a dremel and an 1 1/2" cut off wheel. Not recomended at all. After cutting for what seemed like 1/2 hour I made it through about a 4-5" span of the 1/8" steel and the dremel was ready to melt in my hand, it was so friggen hot. But, at the time my only other option was my pneumatic die grinder and a 3" cut off wheel...problem is, my compressor is only 12 gallons and just can't keep up with the air flow demand.

    Anyways...after monkeying around with the silly dremel, I decided...SCREW THIS!!!...and went straight to Home Depot and bought a 4 1/2" grinder and a couple of cut off wheels only $35.00. Why oohhh why didn't I do this sooner. Cutting through the frame member, now, is much like cutting through butter and I chopped hours off of my would be finish time if I'd continued with the Dremel.:rolleyes:
     
  10. May 18, 2009 at 6:03 PM
    #10
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    I'll keep tabs on my time...it may take a couple days, as I'm squeezing in little bits of time after work, not to mention I'm being somewhat meticulous as I've never done this before...scary huh? LOL

    Thanks. Yeah, when I start boxing them in I'll snap some shots as I go. Oh god, now the pressure is on, I'd better go practice my "stack of dimes" welds before showing them to the world.:D
     
  11. May 18, 2009 at 6:21 PM
    #11
    Fire931

    Fire931 Well-Known Member Vendor

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    just remember to remove or take care of the cab bushing before you weld... wouldnt want to catch that baby on fire!
     
  12. May 20, 2009 at 2:58 PM
    #12
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    2nd installment.....

    Before I started this mod, I was full of questions and even some doubts, so like many of us here I searched around...but I never did see a full write up...as in start to finish. I'm going to break it down so that it looks as easy as it really is.

    [​IMG]
    Here are the right side marks...before cutting.
    [​IMG]
    [​IMG]
    Because the 41/2" cutting wheel only allows you to cut in so deep before hitting the arbor, I cut three sections.
    First along the bottom, round the bottom front corner and a pass down the middle of the front plate
    [​IMG]
    next; cut off the rounded end
    [​IMG]
    Last; cutting up from the bottom/inside...carefull not to hit the body
    [​IMG]

    I finished cutting the right side Monday night. Last night I took it to my work, where there is a concrete loading ramp and checked for contact at nearly maximum articulation...I've got quite a bit of room, but I'll eat up 1/8" when I box it in...and if I try to maintain some sort of "almost factory" asthetics, I'm looking at 1/4" biting into the free-space. This is all R&D for me, so I may decide to cut a little more.

    Thanks for the tip...I was planning to maybe stuff some wet rags in and around the mount before I do a full pass with the welder. I'll probably just tack my peices in place for a short while and give it one more articulation test before finishing my welds.

    Tires come off...cut...tires go on...test...tires come off...tack weld...tires go on...test some more...tires come off...:eek: aaaaaarrrrrgggghhhhh....LOL. I'm being anal with this, but I just want it to be right.
     
  13. May 20, 2009 at 5:06 PM
    #13
    brian

    brian Another Traitor

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    Looks good man, hopefully everything goes perfect. Thanks for taking the time to do the R&D for us so we don't have to later! :) We all appreciate it!
     
  14. Jun 11, 2009 at 1:00 AM
    #14
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    Third Installment:

    Wheeewwww....I'm back at it again today. I've been busy lately having fun in the sun, racing my bike, riding my quad, and drinking copious amounts of booze while simultaniously either shooting beer bottle caps with the pellet gun or killing mosquitos' with a bug zapper racket.

    Quick reveiw of what I'd accomplished up until today.
    Both body mounts were cut and I partially tacked in a plate on the passenger side.

    Fabbing up the peices to fill the hole is probably the most time consuming part of the whole job. My first attempt, for the passenger side, didn't go so well and I had to start over on another chunk of steel. But, I got smarter on my second try when I broke out the purple Crayola crayon and some paper to make a template. As if I where a kid in preschool...I stripped the paper off of the crayon and used it's side to rub out the shape of the hole...just like we used to do with leaves.:cool:

    If your borrowing a welder, like I am, it is a good idea to practice on something first, as the suggested settings are never right. Did I practice??? NOPE.:rolleyes: Just as I stated above, the suggested settings are never right. My nearly perfect, Crayola production, fabbed peice of steel was now tacked in with the worst bird shit welds I've ever created. That is why god made grinders...LOL.

    Today I (partially) boxed in the driver's side with finish welds...and played connect the dots between my previous, passenger side, bird shit tack welds, using the Lincoln for a pencil.:D

    Lucky me...the first fab attempt that I mentioned above, well, that peice just happend to fit in the driver's side hole...LIKE A GLOVE. Here's a pic.
    [​IMG]

    Drivers side tack welds...the other side is just to embarassing.
    [​IMG]

    Passenger side...(partially) finished and primered.
    [​IMG]

    I'm not sure if I'm done or not. There is still a gap in the bottom...as you can see in the picture above. My plan was to make a bottom corner peice that somewhat follows the factory look...but I may just leave it alone :notsure:
     
  15. Jun 11, 2009 at 6:04 AM
    #15
    Mandy3206

    Mandy3206 Well-Known Member

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    Cool, now I got something to refer to when time comes.

    I got the wheels and tires, waiting for the 60k warranty checkup so I can start cutting.

    A yr ago at 35k, seemed like a bad idea to cut the truck, but as time passed by, now it seems like a bad idea not to do it :cool::cool::cool:

    Got the mild lift in place, and the wheels and tires stashed for 5 months now, I guess the hacking will start sometime after summer is over, can't hardly wait.....................
     
  16. Jun 11, 2009 at 6:23 AM
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    Negative1

    Negative1 Well-Known Member

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    Hey Schoonie,

    Wondering why you didn't make a plate that covered the entire cab mount you cut out?
    Why the short piece if your doing it, why wouldn't you just do it once?
     
  17. Jun 11, 2009 at 7:20 AM
    #17
    Mandy3206

    Mandy3206 Well-Known Member

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    I believe that he's trying to mimic the OEM bottom of the mount, I would weld only a small support in the midle and lave the sides open for a good drainage and easy cleanup of the mounts, each time I hit the mud pits, it's a lot of time to clean the OEM mounts
     
  18. Jun 11, 2009 at 1:15 PM
    #18
    schoonie

    schoonie [OP] Vegans taste like tree bark

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    This thought had crossed my mind many times...kept telling myself your doing it the hard way. But, I'm trying to keep some of the OEM asthetics. I guess you could say, I'm trying to make it less noticable. I'm sure hind sight is going to kick me in the ass later....LOL.:D

    Exactly...
     
  19. Sep 2, 2009 at 11:36 PM
    #19
    HBMurphy

    HBMurphy Ban Pending

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    Once complete have you had any rubbing or are you golden now?
     
  20. Sep 2, 2009 at 11:57 PM
    #20
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the Taco's.... new truck is pretty stock
    This is on my mod list..... I have no issues with rubbing now since i only have 32's, but i plan to stuff some 295's(33.5") on my truck with the 3" lift so I know rubbing will be in my future. lol
     
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