Reply With QuoteHave a look at the spreadsheet. It"s all calculated in there. But according to my calcs. The 2tonne jack is 28mm too short with its screw fully extended.Originally Posted by CaverD3
ChatterBox
Super crap also have air bag jacks on special. I bought one before and it is the best solution. I still carry the scissor jack which is quicker on level ground.
Super Cheap Auto Catalogues
You will need a bung (test plug) for the other exhaust though (from plumbers supplies).
Master
Have a look at the spreadsheet. It"s all calculated in there. But according to my calcs. The 2tonne jack is 28mm too short with its screw fully extended.
Master
Sorry, that's a typo. It's 48mm too short.
Master
I looked at those. They say the working load limit is only 1250kg. I wouldn't have thought that was enough. Do you find it okay?
A Keeper of the TGO
Based on what BSM is saying you need 170mm of lift(stroke) perhaps a little less if the car was put at off road height.
I still can't see why we can't jack the lower control arm. This would require nothing special in the way of a jack. Have a look at the posts in this thread by CUCO on disco3:
DISCO3.CO.UK
Here's a link to his gallery showing how he does it.
DISCO3.CO.UK Photo Gallery - Home > Member Galleries > CUCO
Cheers,
Sean
“Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” - Albert Einstein
A Keeper of the TGO
Finally found one that fits the bill (heavy though):
5 Ton Telescopic High Lift Bottle Jack with 275mm Stroke
Part Number TBJ5
Product Weight 7.8kg
Brand SGS Engineering
Capacity 5 Ton
Closed Height (A) 225mm
Stroke ( B ) 275mm
Fully Extended (D) 500mm
Base Width (E) 130mm
Base Length (F) 135mm
Cheers,
Sean
“Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” - Albert Einstein
Master
Yep, that'll do it. It might even fit in the right hand side stowage area. Whether it fits or not is mostly dependant on the dimension of the base. if you"re thinking of importing this one, just check that the base will fit in the stowage area (after doing a bit of cut out with a knife)
ChatterBox
If you are only lifting a corner no problems but I have lifted the two front wheels and a whole side no problems.
Quoted ratings are always lower for a margin of safety anyway. But I always take an adjustable axle stand and place under for safety just in case.
Quality not brilliant but I recon if it failed I can buy another at that price.
Also I use rubber mats from the D3 on the ground rather than the thin ones that come with it.
Master
Fair point. It's a pretty compact exhaust jack too I saw it in the shop. I looked at an Ironman maxi jack also. 4.2tonnes lifting capacity. But it's huge when packed away. Certainly wont tuck under a seat. I baulked at the size of it.
Hi All
My understanding of this situation is that a single 4ton SCA jack will suffice
The main issue identified by op is that it will not have enough lift unless screw is extended.
When car is in extended mode there is about another gap 5cm for screw extension until it meets the chassis anyway so top height is now ok
Depending on ground underneath if there was not enough room to extend the screw extension extend as much as possible then lower the car onto the jack to force it to go into super -extended mode .then extend the jack'sscrew extension fully. Or drive flat tire onto rock or wood block as previously suggested to raise the chassis
With its lift range it really only has to go as high as the sidewall so i assume people are not leaving the boot open when jacking which will stop the suspension from extending.Shouldn't need 2 stage jack unless not doing this
Also presuming in metropolitan area most people would use the RAA or RACV so assume will doing this in isolated/outback regions. Most people will have air compressor when 4WDing so could also let some air out of the spare then reinflate as well.
He is a picture of a $5 jack adaptor i made up
from a 32mm end cap,25mm plastic end caps from the sprinkler section of mitre 10 and for the pin used the head off a large dynabolt but could use any flat ended bolt of the right size and shape. Have to drill out the threads on the inside of the end caps so the 25mm will fit on the jack head and also so the 32 end will fit over the 25mm end cap.The inner 25mm end cap has a hole in the top large enough to accomodate the head of the dynabolt end,the 32mm end cap has a hole large enough to accomodate the shaft of the dynabolt end. This way pressure is applied/taken by the flat areas of the adaptor surrounding the pin.
Jack Fits neating in the left hand cubby hole perfectly as well
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