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Each individual stand has rating on it then when added up equals the capacity of the pair. They're not measured as a pair. A set of 4 - 3 ton jack stands would be 4x3= 12 tons of capacity. A pair of 6 ton jack stands does not mean two three ton jack stands, it means two 6 ton jack stands.

For example, I have a pair I picked up from autozone a long time ago. They're sold as 6 ton jack stands and the capacity is listed as 6 tons per stand, aka each stand can support 6 tons:

http://www.autozone.com/featured-it...ir-6-ton-jack-stand/234799_0_0/?checkfit=true

I don't think that's as standard as you're getting at.

Although a jack stand rated for 3 tons technically should hold a lot more than that weight on it's own before failure, many jack stands are rated based on 2 being used on a single axle.

See this HarborFreight pdf catalog. Notice on the first page the small print... "evenly distributed across 2 jack stands"
http://manuals.harborfreight.com/manuals/38000-38999/38847.pdf

and the one that I posted from sears is the same:

https://redirect.***.com/?format=go&jsonp=vglnk_147673413805518&key=7594a612deafba047f2964b289a9aebe&libId=iueh1xs30100zctg000DA2vsclbko&loc=https://forum.ih8mud.com/threads/onsc-chat.817372/page-132#post-10627361&v=1&out=http://www.sears.com/craftsman-professional-4-ton-jack-stands-one/p-00950163000P?plpSellerId=Sears&prdNo=1&blockNo=1&blockType=G1&ref=https://forum.ih8mud.com/threads/daily-funny-pics.364133/page-318&title=ONSC Chat | Page 132 | IH8MUD Forum&txt=Sears.com&loAsUuid=iueh1y65-2cb1edbc-edf4-42f6-a373-0a5fa18b9d60


(8000 lbs COMBINED) capacity (listed as 4 ton jacks).....
 
I don't think that's as standard as you're getting at.

Although a jack stand rated for 3 tons technically should hold a lot more than that weight on it's own before failure, many jack stands are rated based on 2 being used on a single axle.

See this HarborFreight pdf catalog. Notice on the first page the small print... "evenly distributed across 2 jack stands"
http://manuals.harborfreight.com/manuals/38000-38999/38847.pdf

and the one that I posted from sears is the same:

https://redirect.***.com/?format=go&jsonp=vglnk_147673413805518&key=7594a612deafba047f2964b289a9aebe&libId=iueh1xs30100zctg000DA2vsclbko&loc=https://forum.ih8mud.com/threads/onsc-chat.817372/page-132#post-10627361&v=1&out=http://www.sears.com/craftsman-professional-4-ton-jack-stands-one/p-00950163000P?plpSellerId=Sears&prdNo=1&blockNo=1&blockType=G1&ref=https://forum.ih8mud.com/threads/daily-funny-pics.364133/page-318&title=ONSC Chat | Page 132 | IH8MUD Forum&txt=Sears.com&loAsUuid=iueh1y65-2cb1edbc-edf4-42f6-a373-0a5fa18b9d60


(8000 lbs COMBINED) capacity (listed as 4 ton jacks).....

You're totally correct! Same thing at snap on, rated per pair:

Jack Stands (2), 3-Ton Capacity (per pair)

Well to those in the market, make sure to check to see if the jack stands are 3t each or together or whatnot!!
 
I bought a hybrid (aluminum and steel) jack at Costco for a great price a few years back. You might want to see if your local Costco has one now.

EDIT: I checked and they still have it: Costco Wholesale
 
Need some help with some hardware since Beno is out until the end of the month.

There are tapered screws that attach the front of the FJ40 hardtop to the windshield. I bought coolcruisers.com's "complete kit" for top installation... and they're not part of it.

Anyone? Need 6 of them - two of which would need matching bolts (4 use captive)...

Thanks!
 
Need some help with some hardware since Beno is out until the end of the month.

There are tapered screws that attach the front of the FJ40 hardtop to the windshield. I bought coolcruisers.com's "complete kit" for top installation... and they're not part of it.

Anyone? Need 6 of them - two of which would need matching bolts (4 use captive)...

Thanks!

I don't know the exact size you're looking for but the tapered head is called an oval head .... If you have one of the originals then Automotive fasteners downtown can fix you up


MachineMetricOvalPhillipHeadScrewsStainlessSteelA2_1.JPG
 
Hes speaking of the chamfered bolts in the upper corners of the hardtop that adjoin to the windshield frame.

Flat allen head, tapered/chamfered on thread side to match seat surface in frame.

And by screws he meant bolts and by bolts he meant nuts ;)
 
So back into the wheel bearings in the 80. I have long ago tossed aside the idea and method of fish scale and simply tightened inner adjusting nut to 25-30 ft lbs and called it good with great success with the 37s..... Until now. I had to tighten the driver side adj nut to 42 ft lb of torque before i could remove the play in the bearings.


Anyone see any problem with this?

Did by feel like One would a trailer wheel and ignored all the numbers for this round. Just surprised i had to go so high to take out the slop in the bearings.
 
Looks like a nice value for the kit but im still gonna say you want 6 ton jackstands. It not so much about the weight rating as the height !

Not that those stands wont be useful for other projects. Like your axle swap, slider install, etc
 
X2 on what Jason said. You want at least 4 6 ton wide base jack stands. They will provide both the height and stability you need. 3 Ton stands are good for things like holding the axle when you have the rest of the truck supported on the 4 6 ton stands. I'd not roll under an 80 sitting on 4- 3 ton stands and feel good about it.
 
Thanks. I think I will get those 6 ton stands for now....I just need 2 for now so I can figure out the rear and front at separate times. Probably just use the factory jack for now and if it won't go high enough I can set it on a 2x4.
 
Hes speaking of the chamfered bolts in the upper corners of the hardtop that adjoin to the windshield frame.

Flat allen head, tapered/chamfered on thread side to match seat surface in frame.

And by screws he meant bolts and by bolts he meant nuts ;)

been digging.... and by screws, I meant machine screws since that's where the flat heads live on the fastenal site. Haven't been able to find an alen head version, so I switched to Phillips. They're definitely M8x1.25 but the length, who knows? If I had one, I'd pull it and measure. The windshield hinge screws look like they might be the same but they're body color, so I don't wanna mess with them.

Also, I think the outer windshield bolts are actually m6 which explains why we were having issues. Length? again, who knows.

I'll go buy a few and try it.

Now back to your regularly scheduled discussion on jack stands.
 
Hes speaking of the chamfered bolts in the upper corners of the hardtop that adjoin to the windshield frame.

Flat allen head, tapered/chamfered on thread side to match seat surface in frame.

And by screws he meant bolts and by bolts he meant nuts ;)

Ahhh. Also an off the shelf item.

Countersunk bolts

image.jpg
 
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Looks like the base prices have come down - I think I first saw them running $85k or so - but you could run it up pretty quickly with the options sheet.
 

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