Fiberglass Body tub mounting question - JeepForum.com
 
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post #1 of 12 Old 12-28-2013, 12:56 PM Thread Starter
dfrye
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Fiberglass Body tub mounting question

Morris 4X4 center lists this as a fiberglass body mounting kit. (See it here: http://www.jeep4x4center.com/fibergl...-12201-03.html)

I have no idea what it is for. I picked up a fiberglass tub the other day and thought I would just need bushings, washers and nuts and bolts? easy peasy right?

Is the mounting application different for a fiberglass tub vs. a steal one?

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post #2 of 12 Old 12-28-2013, 02:35 PM
rixcj
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Sometimes the body mount locations on a 'glass tub don't match up with the frame mount locations. At least on a CJ5 they don't....I'm not sure about CJ7's. The large angle-type pieces in the kit get bolted, or welded to your frame mounts. They create a span across the mounts so that the 'glass tub mounts have a surface to bolt up to.


The kit also includes a dense rubber tube, that is meant to be cut to length. These pieces will be your new rubber mounts. These type of mounts are highly recommended over regular CJ steel tub mounts that are available.


Personally, I would buy the kit, unless you're absolutely positive that your tub mount locations line up with the frame mount locations. If they do, then just buy the rubber tube. It is available separately.


Rich

'79 CJ5, AMC 360, t-18/d20 twin stick, dana 30/amc20(Mosers), Edelbrock Performer intake, Holley 600, ps/pb, DUI HEI, 'glass tub/1pc. tilt nose, 33x12.50 BFG AT's.

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post #3 of 12 Old 12-28-2013, 02:39 PM
BlueRubiconrich
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with a fiberglass body you have to ground everything to the frame.
I would run a full rollcage tied to the frame.

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
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post #4 of 12 Old 12-28-2013, 03:42 PM
skizriz
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What rixcj said. I cut the mounts off of my frame and made new ones in the proper location to match the tub.




78 CJ7.. 258.. TH400/Dana18.. SOA/stock YJ springs.. 35" General Grabbers.. Waggy 44s.. 4.88 gears...Spartan/Lockright...Fiberglass front to rear
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post #5 of 12 Old 12-28-2013, 09:56 PM Thread Starter
dfrye
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okay... thanks guys. starting to make sense now. i'll have to measure the mounting locations on the tub to see what I'm up against. I suppose if they line up okay i'm good to go w/ whatever body mounts I want. Anyway... how does one make sure the fenders and grill line up relative to tub? I suppose it's all sort of relative right? meaning... the tubs don't come pre-drilled... right? Never done this before so... thanks.
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post #6 of 12 Old 12-29-2013, 06:29 AM
rixcj
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A good place to start is where the clutch bell crank bracket mounts. The bell crank bracket mounts to the tub. If your tub is too far forward or rearward, your clutch linkage geometry will be whacky. This can make for tough clutch pedal operation. Unless you have a hydraulic clutch....




Rich

'79 CJ5, AMC 360, t-18/d20 twin stick, dana 30/amc20(Mosers), Edelbrock Performer intake, Holley 600, ps/pb, DUI HEI, 'glass tub/1pc. tilt nose, 33x12.50 BFG AT's.

There's a fine line between "hobby" and "mental illness".
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post #7 of 12 Old 12-29-2013, 06:41 AM
skizriz
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When i rebuilt the frame for mine, i started at the grill. It will stay the same.
I bolted on the fenders and hood, and lined up the tub from there.

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78 CJ7.. 258.. TH400/Dana18.. SOA/stock YJ springs.. 35" General Grabbers.. Waggy 44s.. 4.88 gears...Spartan/Lockright...Fiberglass front to rear
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post #8 of 12 Old 12-29-2013, 03:57 PM Thread Starter
dfrye
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okay thanks again. I think the clutch idea is good too in that it gives a preliminary reference point... then grill and fenders to be sure.
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post #9 of 12 Old 12-29-2013, 08:45 PM
GPER
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That looks like the same kit 4wdh uses for their glass bodies. Here is how mine mounted up when I put a new frame under my glass body.

I found the few pictures that I took of this, I did the frame swap back in 2000. Way before I started my lame write up about stuff.

I just started at the top and worked my way down, I pulled the hard top, I removed the hood grill, fenders, then I used an engine hoist to lift the tub with everything still in it off of the frame.
[img]




Then I started at the bottom of the old frame and worked my way up. I put new brake lines, springs, then the diffs and drive train on to the new frame.

I had to drill holes for the winch mount, the parking brake bracket was too far apart my Runk bumpers wouldn't fit the Matkins frame. You buy a level lll frame and they think you are running stock bumpers.

There were things that wouldn't work so I would have to come up with something or refab it. I even had a front shock tower break off after I was done because there was no penetration in the weld.
[/img][img]




If you are going with a glass body.

[/img]




Just make sure you get the glass body flush with bell crank support to start off with the body. If I can be of any help drop me a line gperx4 at ameritech . com.
[img][/img]




Here are the tabs that need to be welded to the seat frames and they are the seat/ body mounts.
[img]http://img.photobucket.com/albums/v298/gperx4/Glass%20body%20mounts/DSCN2024.jpg




This is a pic of my front tub mount, the rubber is about an inch thick.The other mount on the left is for my roll cage so that my not apply to you.
[img]

Here is another pic of the mounting plate, the first mount to the right is the same mount that bolts the front of the passenger seat to.

The middle mount is thicker since the body goes up there, but that is the rear of the passenger side of the front seat mount. Then the mount on the far left is the mount behind the seat in the floor of the tub.
[/img]

Here is the mount for my grill, after the tub is mounted, the fenders bolted to the tub. The fenders will dictate where the grill needs to be so the grill and the fenders can be bolted together. Your height may vary since I am using an after market frame
[img]
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post #10 of 12 Old 12-29-2013, 08:51 PM
GPER
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The little square pieces are welded to the inside of the seat mounts. That way the seat is bolted through the body and into the frame.

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post #11 of 12 Old 12-30-2013, 05:55 AM
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post #12 of 12 Old 12-30-2013, 06:20 PM
danfrye
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This is dfrye. I accidentally created a two accounts on the forum. Anyway... I really appreciate the pics... helps a lot! the clutch bracket too! I'm planning on getting starting tomorrow afternoon (dec 31st). I'll see how things line up and order the kit from the link above.
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