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 Post subject: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon May 14, 2018 3:11 pm 
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I sleep in my van

Joined: Sun Jan 13, 2008 5:23 am
Posts: 738
Hi,

Making progress with skid plates.

1. Transfer case protected with addition of 4 mm aluminum plate that came from pic n pull.

2. Transmission protected with flat piece of 3/16" aluminum, 18" X 18".

3. Working on engine oil pan skid plate, for which I will use 4 mm alum from S10 Blazer.

4. Front diff skid plate

AP


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File comment: Uni strut 4 hole Clevis plus channel clamps
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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon May 14, 2018 3:25 pm 
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I sleep in my van

Joined: Wed Feb 01, 2012 8:10 pm
Posts: 436
Location: southeastern ct
Looking good! I’ve been meaning to do the same thing. I’ve got a ‘00 Zr2 Blazer. It came thru with carbon fiber skid plates. I bought a full set of aluminums from a Zr2 forum member. I’ve been needing to put both vehicles up it the air side by side to see just what will bolt right up and what’s gonna need mounts fabbed up. Good job looking forward to seein how you make out.

_________________
Captn. Crunch
"I don't beat my rig-I use it to it's maximum potential"
1994 Safari conversion (sold) and miss'n it!
1999 Safari SLE AWD
np236 transfer case
Torsen limited slip cast iron front diff
Torsen rear w/3.73's
2" body lift
S-10 rear leafs
Coming soon:
Skid plates
Rock rails


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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon May 14, 2018 4:10 pm 
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I sleep in my van

Joined: Sun Jan 13, 2008 5:23 am
Posts: 738
Hi,

My approach to skid plates:

1. Use aluminum not steel. For my use on mild off roading, The purpose of skid plate is to take the first impact that might have damaged the tranny pan or deep pan engine oil pan, or t case or front diff.

2. Use OEM holes in frame and sub frame as much as possible to set mounting brackets with grade 8 bolts. No welding so far.''

3. Install lateral cross bars. For tranny and engine area, I used 44" long steel square box tube 1/8" wall, 1 1/4" X 1 1/4". These connect to the Uni strut 4 hole Clevis brackets.

For the rear t case cross by used 1 1/2" steel square tube 59" long attached to rock rail Nerf side bar Uni strut wing fittings.'

To attach the aluminum skid plate I either used 3/8" bolts or in some cases self drilling self tapping #12 hex head fasteners, 1" long. They have neoprene washer too, to avoid scratching the aluminum. They have 5/16" (8 mm) hex head. Use electric impact wrench to set them after drilling 1/8" pilot hole.

AP


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File comment: Alum skid plates 2003 AWD
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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon May 14, 2018 4:12 pm 
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I sleep in my van

Joined: Sun Jan 13, 2008 5:23 am
Posts: 738
Self tapping fasteners
#12 X 1" length


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File comment: Self drilling, self tapping #12 X 1" fasteners
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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon May 14, 2018 4:13 pm 
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I sleep in my van

Joined: Sun Jan 13, 2008 5:23 am
Posts: 738
Skid row news


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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Wed May 16, 2018 6:00 am 
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ASV Supporter
ASV Supporter

Joined: Tue Jan 02, 2018 2:11 am
Posts: 98
In some industrial applications with steel decking, those self-tapping screws sometimes work loose, so keep a close eye on them. You do not want to find one in a tire!
And what's with the comment about rubber gaskets so the aluminum does not get scratched...on a skid pan??
Me thinks if possible scratches on a skid pan are a potential issue, the skid pan should never see it's way off pavement.
Maybe I am misreading the comment, and it was in jest. <GRIN>
Rod J

_________________
WE7X aka Rod Johnson
Forest Green Metallic '98 LS AWD
Issaquah, WA


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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon Jun 04, 2018 1:56 am 
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I am merely driving my van
I am merely driving my van

Joined: Wed Mar 07, 2018 7:07 am
Posts: 15
WE7X wrote:
In some industrial applications with steel decking, those self-tapping screws sometimes work loose, so keep a close eye on them. You do not want to find one in a tire!
And what's with the comment about rubber gaskets so the aluminum does not get scratched...on a skid pan??
Me thinks if possible scratches on a skid pan are a potential issue, the skid pan should never see it's way off pavement.
Maybe I am misreading the comment, and it was in jest. <GRIN>
Rod J


Wonder how those self-tapping screws now. A buddy of mine used those screws on the cheapo skid plate for his Jeep and they definitely not lasts that long, he got a new set of poison spyder skidplates now which is doing good at off-road beating.


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 Post subject: Re: Skid plates, cross bars , Uni strut brackets
PostPosted: Mon Jun 04, 2018 3:44 pm 
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I sleep in my van

Joined: Sun Jan 13, 2008 5:23 am
Posts: 738
Hi Everyone,

Thanks for the info on self tapping screws! Yes, I may take your advice and replace them with 1/4" Riv nuts at that location.

I tested the skid plates on fire roads with high center covered with grass and weeds.

I got to try out the np231 low range t case last weekend. Works great. Creating along in 4 LO is great on steep hills. Locked tranny in 1 St to creep up or down steeps hills. Approximate speeds with little or no throttle applied.
4 LO speeds vs transmission gear:
1 St gear 3 mph
2 Nd gear 5 mph
3 Rd gear 9 mph
4 th gear 12 mph

The cable shift works great. Nice to manually get the transfer case range you want without waiting for electric shift computer to think and blink about it before operating encoder motor.

AP


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File comment: 2" X 30 ft Pro comp strap 20,000 lbs recovery.
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